Side-by-side comparison · 24 data points
Reduce returns and increase sales with clean size charts and AI-powered size recommenders
| Kiwi Size Chart & Recommender | Libautech | |
|---|---|---|
| Tagline | ||
| Description | ||
| Screenshots | images | images |
| Languages | ||
| Platforms | ||
| Developer | ||
| Listed | ||
| Last updated | — | — |
| Metric | Kiwi Size Chart & Recommender | Libautech: Amazon Buy Button |
|---|---|---|
| Rating | 4.7 ★ | ★ 4.8 ★ |
| Total reviews | ★ 1k | 46 |
| Free plan | Yes | Yes |
| Pricing | Free plan available | Free plan available |
| Built for Shopify | — | — |
| Pricing tiers | ★ 4 tiers | 3 tiers |
| Listed features | 5 | 5 |
| Languages | 1 supported | 1 supported |
| Listed since | Mar 2018 | Jul 2020 |
Kiwi Size Chart & Recommender and Libautech: Amazon Buy Button are evenly matched on rating (4.7★ vs 4.8★) — the differentiator comes down to pricing fit, feature breadth, and which app's interaction pattern suits your team's workflow. Pricing entry tiers: Kiwi Size Chart & Recommender at Free plan available, Libautech: Amazon Buy Button at Free plan available. Check each app's tier structure for the capacity limits you actually need before deciding — the headline number is the same shape, but the gating shape per tier (apps, orders, integrations) varies. Kiwi Size Chart & Recommender has the larger user base (1,041 reviews vs 46), which usually maps to broader integration coverage, faster bug-fix cadence, and a deeper bench of community workflow patterns. Libautech: Amazon Buy Button's smaller cohort can be an advantage for niche workflows where the bigger app has accumulated bloat. Recommended evaluation path: install both apps' free tiers (where available) and run them in parallel on a small cohort of orders for 7-14 days before committing. The data tables below show the per-feature breakdown — for most merchants the deciding factor will be a single integration or workflow detail that's hard to compare from listing pages alone. This verdict is generated from the live marketplace data on this page — rating, review count, pricing tier, and category position all refresh from the canonical Shopify App Store listing every 24 hours. AppRanks does not accept payment to influence comparison outcomes; the methodology is documented on the About page and applies identically to every pair on the site.
Read each app's audit: Kiwi Size Chart & Recommender audit • Libautech: Amazon Buy Button audit
| Keyword | Kiwi Size Chart & Recommender | Libautech |
|---|---|---|
| size | #1 | Not ranked |
| size chart | #1 | Not ranked |
| chart | #1 | Not ranked |
| amazon | Not ranked | #24 |
| amazon importer | Not ranked | #76 |
No tracked changes.
Both Kiwi Size Chart & Recommender and Libautech: Amazon Buy Button offer paid plans only. Kiwi Size Chart & Recommender starts at Free plan available; Libautech: Amazon Buy Button starts at Free plan available. Compare the per-tier features in the Pricing section above before committing.
Kiwi Size Chart & Recommender (4.7★, 1,041 reviews) and Libautech: Amazon Buy Button (4.8★, 46 reviews) are essentially tied on rating. Look at review velocity and individual reviewer quotes — both visible on each app's detail page — to differentiate.
It depends on what you're optimizing for. Kiwi Size Chart & Recommender fits better if you prioritize broader integrations; Libautech: Amazon Buy Button is the call if you need the higher-rated option. Read both apps' detail pages on AppRanks for the full feature breakdown, install counts, and recent listing changes.
Both apps are one-click installs from the Shopify App Store marketplace. Kiwi Size Chart & Recommender has more onboarding documentation maturity (1,041 reviews vs 46), which usually translates to better-tested setup wizards and quicker time-to-value. AppRanks doesn't measure setup time directly — read the recent reviews on each app's detail page for merchant-reported install experience.
Kiwi Size Chart & Recommender typically suits early-stage and growth-mode stores based on its review-base composition (1,041 reviews). Libautech: Amazon Buy Button aligns more with early-stage and growth-mode stores (46 reviews). Larger review bases generally mean the app has been load-tested at scale — relevant if you're processing high order volume or handling enterprise compliance requirements.
Migration support varies by app and category. Kiwi Size Chart & Recommender and Libautech: Amazon Buy Button both publish their export options on their marketplace listing pages (or in their support docs); some apps offer one-click import from competitors, others require CSV. The fastest check: search "import from Libautech: Amazon Buy Button" in each app's help center. AppRanks does not track migration tooling directly — this is a category-specific capability worth verifying before commitment.
