Swish (formerly Wishlist King) vs. K Wish List‑Advanced Wishlist

Introduction

Choosing the right wishlist app is deceptively important. A well-implemented wishlist can increase product saves, nudge customers back to purchase, and provide clear signals about future demand. Yet merchants face dozens of single-purpose options that differ sharply in features, integrations, and long-term value.

Short answer: Swish (formerly Wishlist King) is well suited to merchants seeking a full-featured, enterprise-capable wishlist with advanced analytics and headless support, while K Wish List‑Advanced Wishlist is a lightweight, budget-friendly pick for stores that need a plug‑and‑play wishlist with social sharing. For merchants tired of managing many point tools, a unified retention platform that combines wishlists with loyalty, referrals, and reviews can deliver better value and simpler operations than adding another single-use app.

This article provides a feature-by-feature comparison of Swish (formerly Wishlist King) and K Wish List‑Advanced Wishlist, examines real merchant use cases, and explains how an integrated retention platform can reduce tool sprawl and improve lifetime value. The goal is to help merchants pick the right tool for their needs and understand the trade-offs between focused wishlist apps and an all-in-one retention stack.

Swish (formerly Wishlist King) vs. K Wish List‑Advanced Wishlist: At a Glance

Deep Dive Comparison

Features

Wishlist core functionality

Swish

• Supports unlimited wishlists and saved items across sessions and users.
• Wishlist options available at product pages, collection pages, and throughout the shopping journey.
• Emphasises personalised notifications to re-engage shoppers at the optimal moment.

K Wish List

• Provides floating wishlist button, header icon, and add-to-wishlist buttons.
• Offers popup and embedded wishlist types to match different UX patterns.
• Social sharing built in for gift lists and social discovery.

Verdict

• Both apps deliver the core behavior merchants expect from a wishlist. Swish prioritises breadth (multiple touchpoints, unlimited saves, persistent sessions) and re‑engagement automation. K Wish List focuses on rapid product saves and shareability with a compact feature set.

Personalisation and automation

Swish

• Built-in automated wishlist notifications that can be personalised per customer and per lifecycle stage.
• Integrations with Klaviyo and Meta allow segmentation-based messaging and retargeting using wishlist signals.
• Advanced analytics feed helps curate and act on top-saved products.

K Wish List

• Limited automation. Primary tactics are social sharing and simple save notifications.
• Focus is on shopper usability rather than personalised lifecycle campaigns.

Verdict

• Merchants seeking lifecycle automation that uses wishlist intent as a signal will find Swish more capable. K Wish List is not designed as a campaign automation engine.

Visual customisation and theme fit

Swish

• Advertises integration with all themes to match store aesthetics.
• Free setup/customisation service should help ensure the wishlist UI feels native to the store.

K Wish List

• Provides customizable icons, labels, and colors.
• Set up in minutes without coding; useful for stores that need fast implementation.

Verdict

• If pixel-perfect matching and white glove implementation matter, Swish’s onboarding service is a strong plus. If fast, self-serve adjustments are enough, K Wish List covers the basics.

Analytics and reporting

Swish

• Highlights "advanced analytics and wishlist curation" as a core feature.
• Ability to see which items are being saved most often and convert that into merchandising or marketing actions.

K Wish List

• Includes tracking of wishlist usage to gain basic insights into customer interest.
• Reporting appears functional but more basic than Swish’s advanced analytics.

Verdict

• Swish provides deeper insights suited to merchants who want to turn wishlist data into merchandising or retention strategies. K captures interest signals but is not built as an analytics-first tool.

Sharing and social features

Swish

• Supports integrations for Meta which enables better paid social retargeting.
• Sharing capabilities may be present, but emphasis is on personalised notifications and analytics rather than social-first sharing.

K Wish List

• Explicit focus on social sharing — shoppers can share wishlists for gifts and events.
• That social-first design makes it a better pick for stores where peer recommendation and gifting are central.

Verdict

• For social and gift-centric flows, K Wish List provides straightforward sharing features. Swish supports retargeting and campaign flows via integrations.

Multi-platform, headless and Shopify Plus support

Swish

• Offers Shopify Plus exclusives on higher plans: Hydrogen & headless stacks, dedicated account management, priority support.
• Works with Checkout, Hydrogen, Markets and other advanced storefront components.

K Wish List

• Works primarily with Checkout; no headless or Hydrogen claims noted.
• Suited to standard Shopify storefronts.

Verdict

• Swish is clearly built to support more advanced technical stacks (headless, Hydrogen and Plus stores). K Wish List is appropriate for standard theme-based stores.

Pricing & Value

Pricing is more than sticker price; it reflects support level, integrations, and long-term scalability.

Swish pricing summary

• Basic Shopify: $19 / month (includes all features, free setup).
• Shopify: $29 / month (same core features).
• Advanced Shopify: $49 / month.
• Shopify Plus: $99 / month (white glove onboarding, priority support, dedicated account manager, Hydrogen & headless support).

K Wish List pricing summary

• Free plan: Free to install with core wishlist features and sharing.
• Growth: $6.70 / month (same core features).
• Growth 2: $19.99 / month (expanded but feature list mirrors core functionality).

Value considerations

Swish

• Free setup across plans and specialised Plus plan services add operational value for larger stores.
• For brands that plan to use wishlist data to power retention and paid retargeting, the higher subscription can return value through higher conversion and reduced churn.

K Wish List

• Extremely attractive entry price, up to free.
• Best value for merchants whose requirements are limited to product saves and social sharing without deep automation or headless support.

Verdict

• K Wish List offers better immediate cost-of-entry value for small stores. Swish offers better long-term value for merchants that need advanced integrations, white glove support, and headless compatibility. In other words, K Wish List is better value for straightforward needs; Swish is better value for technical complexity and scale.

Integrations & Technical Compatibility

Swish

• Works with Checkout, Hydrogen, Markets, Klaviyo, Customer Accounts, Search, and Recommendations.
• Explicit calls out Klaviyo, GA4, and Meta integrations out-of-the-box.
• Plus plan supports Hydrogen & headless stacks and a dedicated account manager.

K Wish List

• Works with Checkout.
• Focused on quick setup and minimal technical footprint.

Technical implications

• Swish is positioned for merchants who rely on marketing automation platforms (e.g., Klaviyo) and want wishlist events to trigger lifecycle campaigns or retargeting audiences in GA4/Meta.
• K Wish List is intentionally lightweight, designed for stores that want a fast, low-risk install with minimal integration work.

Verdict

• For merchants using advanced marketing stacks or planning headless implementations, Swish is more compatible. Stores that run a standard Shopify storefront with limited integrations will find K Wish List simpler.

Setup, Support, and Onboarding

Swish

• Promises free setup and customisation across plans — an important operational asset for merchants without in-house development.
• Plus plan includes white glove onboarding and a dedicated account manager.
• Higher-touch onboarding reduces time-to-value and decreases the chance of implementation mistakes.

K Wish List

• Sells itself on minute-based setup with no coding required.
• "Knowledgeable support" is provided, and the free tier lowers the barrier to experimentation.

Verdict

• Swish’s free setup and Plus plan support are meaningful differentiators for mid-size and enterprise brands that need confidence in implementation. K Wish List’s self-serve approach works well for lean teams.

UX Considerations and Conversion Impact

How a wishlist behaves on mobile, how easy it is to save and revisit items, and whether the wishlist supports social sharing all affect conversion and return visits.

Swish UX strengths

• Integration across the shopping journey (product pages, collections, account pages).
• Analytics-driven curation can be used to surface top-saved items or promote re-engagement.
• Automation notifications increase the chance of converting saved items.

K Wish List UX strengths

• Minimal friction; floating button makes saving immediate and familiar.
• Social sharing and easy list creation help for gifting scenarios, which can drive conversions during holidays and events.

Verdict

• Swish is focused on turning wishlists into measurable business outcomes. K Wish List prioritises simplicity and immediate consumer-friendly UX that supports sharing.

Reporting, Data Ownership, and Privacy

Swish

• Built to feed wishlist actions into marketing platforms and analytics (Klaviyo, GA4).
• Merchants can use wishlist data to segment audiences and create targeted campaigns.

K Wish List

• Tracks wishlist usage and provides basic insights.
• Limited integration footprint implies less data flow into external automation tools.

Privacy note

• Both apps work within Shopify’s app framework; merchants must evaluate how wishlist data is used in customer communication and adherence to privacy laws (consent, data retention).

Verdict

• Merchants that want to operationalize wishlist signals into lifecycle automation should prefer Swish for its integrations. Stores that simply want to track saves may be fine with K Wish List.

Performance and Reliability

Swish

• Promises compatibility with all themes and headless storefronts, implying attention to speed and reliability.
• White glove onboarding can reduce performance regressions due to misconfiguration.

K Wish List

• Designed for simplicity, which typically limits performance overhead.
• Free tier means merchants can test real-world performance without financial risk.

Verdict

• Both solutions are generally performant; Swish’s enterprise features target reliability under higher traffic and complex architectures.

Use Cases: Which App Fits Which Merchant?

• Brands on Shopify Plus or planning a headless/Hydrogen build: Swish is the stronger fit thanks to support for headless stacks, dedicated onboarding, and enterprise-level integrations.
• Merchants running advanced marketing automation (Klaviyo, GA4, Meta) who want wishlist events to power campaigns: Swish, with out-of-the-box integrations, is preferable.
• Small businesses or startups wanting to add wishlist functionality at low or zero cost quickly: K Wish List provides the best entry option with its free and low-cost tiers.
• Stores prioritising gift lists and social sharing for seasonal promotions: K Wish List’s sharing-first UX makes it a solid choice.
• Merchants who want the wishlist to be a strategic data source for merchandising and personalization: Swish’s analytics and curation features align with that objective.

Strengths and Weaknesses

Swish (formerly Wishlist King)

Pros

• Highly rated (5.0 from 272 reviews) suggesting strong user satisfaction.
• Advanced analytics and wishlist curation for merchandising and retention.
• Deep integrations (Klaviyo, GA4, Meta) that enable lifecycle marketing.
• Free setup and white glove onboarding at Plus level reduce implementation friction.
• Headless and Hydrogen support for complex storefronts.

Cons

• Higher monthly cost at Plus level; better long-term ROI only if features are fully utilised.
• More configuration and potential complexity for small stores that only need basic saving/sharing.

K Wish List‑Advanced Wishlist

Pros

• Low barrier to entry with a free plan and very affordable Growth tiers.
• Fast, no-code setup — valuable for lean teams.
• Strong social sharing and gifting features.
• Clear, focused feature set that’s easy to understand and implement.

Cons

• Smaller review base (81 reviews) and slightly lower rating (4.7) compared to Swish.
• Limited integrations — mainly Checkout — which reduces its role in lifecycle marketing.
• Not targeted at headless or complex technical stacks.

Pricing Scenarios and ROI Examples (Advisory)

• Small boutique store with seasonal gift traffic: K Wish List on the free plan may be sufficient to capture gift intent and drive social sharing without incurring monthly costs.
• Mid-market store using Klaviyo and running regular email campaigns: Swish’s integration with Klaviyo makes wishlist events actionable, potentially increasing conversion from saved items when combined with targeted automations.
• Shopify Plus retailer with headless storefront and high traffic: Swish’s Plus plan and white glove onboarding justify the expense through reduced implementation risk and headless compatibility.

Merchants should map wishlist objectives — immediate saves vs. long-term lifecycle signals — to the app’s strengths before deciding.

Implementation & Migration Considerations

• If switching from another wishlist app, verify data export/import capabilities (customer saves, list names, timestamps) before uninstalling the current app.
• Ensure theme compatibility and test wishlist behavior across desktop and mobile.
• For stores using Klaviyo or GA4, plan how wishlist events will feed into existing automation and dashboards — Swish is built for this, while K Wish List may need manual tracking.
• Consider whether the team wants a self-serve implementation (K Wish List) or needs an onboarding partner (Swish).

The Alternative: Solving App Fatigue with an All-in-One Platform

App fatigue is real. Many merchants accumulate single-purpose apps to solve one problem at a time: a wishlist app here, a reviews app there, a loyalty program over there. This patchwork increases monthly bills, creates multiple vendor relationships, and multiplies points of failure. Each app also creates its own data silo, which makes it harder to use signals like wishlist saves, referral activity, or reviews to drive unified retention campaigns.

An alternative strategy is to consolidate core retention and engagement tools into one integrated platform. That reduces overhead, simplifies integrations with critical systems (like email), and makes customer-level signals actionable without building complex data pipelines.

Growave positions itself around the principle of "More Growth, Less Stack." That philosophy is designed to replace multiple single-purpose apps with one platform that combines loyalty, wishlist, reviews, referrals, and VIP tiers. This approach helps merchants focus on outcomes: retain customers, increase lifetime value (LTV), and simplify operations.

How consolidating features helps

• Single install, single billing, unified customer records.
• Wishlist saves become part of loyalty and referral calculations without manual syncing.
• Reviews and UGC feed into marketing and can be gated or rewarded through the rewards engine.
• A single data model enables cohesive segmentation and higher-converting lifecycle messaging.

Explore pricing and evaluate whether consolidation reduces operational friction by reviewing how to consolidate retention features. For stores evaluating installation options, merchants can also add an all-in-one retention app to their store and test the integrations.

Key Growave features that address the limits of single-purpose apps

• Loyalty & Rewards: Merchants can design point systems, custom rewards, and VIP tiers that make wishlist activity more valuable. See how merchants can build loyalty and rewards that drive repeat purchases.
• Reviews & UGC: Growave includes tools to collect and display reviews, increasing trust and providing content for commerce. Merchants can collect and showcase authentic reviews as part of the same platform.
• Wishlist: Built-in wishlist functionality means wishlist signals flow directly into rewards, referral triggers, and VIP qualifications — no extra connectors required.
• Referrals and VIP tiers: Design referral campaigns and tiered benefits that reward engaged customers and turn wishlists into referral triggers.

These combined capabilities allow wishlist intent to be converted into tangible incentives (e.g., a points bonus for saving or sharing a product), which drives repeat purchase behavior more effectively than a wishlist app that only records saves.

Growave’s integrations and support ecosystem

• Growave supports integrations with popular email and customer support tools, which makes it simpler to use wishlist data for lifecycle campaigns.
• For merchants on Shopify Plus or with complex needs, Growave offers features and support aligned with enterprise requirements; explore solutions for high-growth Plus brands.

For merchants interested in a deeper walkthrough of how integrating loyalty, wishlist, and reviews works in practice: Book a personalized demo to see how an integrated retention stack accelerates growth. Book a personalized demo

Why merchants choose consolidation

• Reduced monthly app fees and fewer vendor contracts.
• Unified analytics that make it easier to measure the true impact of each retention tactic.
• Less development overhead for maintenance and fewer UI conflicts between apps.
• Faster ability to launch cross-feature campaigns (e.g., earn points for submitting a review or saving an item).

If the decision includes evaluating pricing and plan fit, compare consolidated costs and capabilities on the Growave pricing page to see whether replacing multiple apps provides better value. Merchants can consolidate retention features and assess expected ROI.

Putting wishlist signals to work

• With an integrated platform, wishlist saves can count toward loyalty points or trigger targeted rewards.
• Top-saved items can be surfaced in email campaigns or rewarded with limited-time offers to convert latent demand.
• Reviews generated from purchased items can be used to promote suitable items within loyalty communication.

Merchants can see how similar brands implemented combined strategies in customer stories from brands scaling retention and consider how consolidation might reduce complexity while increasing LTV.

Comparing the Options: Final Practical Recommendations

• Choose K Wish List if:
  • The store is small and budget-conscious.
  • Quick setup and social sharing matter most.
  • The team prefers a self-serve experience without complex integrations.
• Choose Swish if:
  • The store needs advanced analytics, Klaviyo/GA4/Meta integrations, or headless support.
  • White glove onboarding and ongoing account support matter.
  • Wishlist data will be used in targeted lifecycle campaigns.
• Choose an integrated platform (like Growave) if:
  • The goal is to reduce the number of apps, unify customer signals, and run retention programs that include loyalty, reviews, referrals, and wishlist behaviors.
  • The team wants loyalty and Wishlists to work as a single customer-retention engine rather than two separate solutions.
  • The store expects to scale and values the operational simplicity of one integrated vendor.

For an immediate step, merchants can consolidate retention features to compare costs and capabilities with their current app stack. To try the unified approach directly, merchants can add an all-in-one retention app to their store.

Conclusion

For merchants choosing between Swish (formerly Wishlist King) and K Wish List‑Advanced Wishlist, the decision comes down to scale, technical complexity, and long-term objectives. Swish excels when wishlist data must be integrated into a broader marketing and analytics stack or when headless/Plus architecture is in play. K Wish List offers a highly accessible, low-cost option for stores that need fast implementation, shareable wishlists, and minimal technical overhead.

Beyond choosing between single-purpose wishlist apps, many stores will find stronger long-term value by replacing multiple standalone tools with an integrated retention platform. Consolidation reduces friction, centralises customer signals, and enables programs that increase retention and lifetime value across loyalty, reviews, referrals, and wishlist. Merchants who want to overcome the limits of single-purpose apps and test a consolidated approach should consolidate retention features and consider starting an evaluation.

Start a 14-day free trial to see how a unified retention stack simplifies operations and drives repeat purchases. Start a 14-day free trial

For a lightweight install, merchants can also add an all-in-one retention app to their store and compare the consolidated experience to their current setup.

Frequently Asked Questions

What are the main functional differences between Swish and K Wish List?

• Swish emphasises enterprise features: advanced analytics, personalised automated notifications, and deep integrations (Klaviyo, GA4, Meta). It supports headless/Hydrogen and provides white glove onboarding for Plus customers. K Wish List focuses on quick installs, a floating wishlist UI, and social sharing, with a freemium pricing model.

How do the two apps compare on integrations with marketing platforms like Klaviyo?

• Swish explicitly integrates with Klaviyo, GA4, and Meta, making wishlist events usable in lifecycle campaigns. K Wish List has a narrower integration footprint (works with Checkout) and is less focused on feeding wishlist signals into external marketing automation.

Which app provides more long-term value for merchants who plan to scale?

• For merchants who will invest in lifecycle marketing and potentially move to Plus or headless stacks, Swish offers better long-term value through integrations and onboarding support. For merchants wanting to limit monthly app spend while providing core wishlist features, K Wish List is better value for straightforward needs.

How does an all-in-one platform compare to specialised wishlist apps?

• An all-in-one retention platform reduces vendor count, centralises customer data, and enables cross-feature campaigns (for example, awarding loyalty points for wishlist activity or rewarding customers for reviews). This consolidation typically reduces operational overhead and makes it easier to run cohesive retention strategies than stitching together multiple specialized apps. Merchants interested in evaluating that approach can review options to consolidate retention features and see practical examples of combined implementations in customer stories from brands scaling retention.