Side-by-side comparison
Size charts, size guides and a “Find my size” AI size recommender, built in minutes
Create size charts and fit quizzes. Help shoppers choose a size on your product pages.
| Metric | Smart Size Chart & Size Guide | SizeHarbor: Size Charts & Fit |
|---|---|---|
| Rating | 4.9 ★ | — |
| Total reviews | 152 | 0 |
| Free plan | Yes | Yes |
| Pricing | Free plan available | Free trial available |
| Built for Shopify | ★ Yes | — |
| Pricing tiers | ★ 4 tiers | 2 tiers |
| Listed features | ★ 5 |
On the measured data here, Smart Size Chart & Size Guide leads on more dimensions (4 vs 0). Pick SizeHarbor if one of the points where it leads is what you need.
Built only from the Shopify App Store listing data shown on this page. AppRanks does not accept payment to influence comparisons. Read the methodology
Read each app's audit: Smart Size Chart & Size Guide audit • SizeHarbor: Size Charts & Fit audit
| Field | Smart Size Chart & Size Guide | SizeHarbor |
|---|---|---|
| Tagline | ||
| Listing audit | 95/100 listing audit | 79/100 listing audit |
| Screenshots | images | images |
| Languages | ||
| Platforms | ||
| Developer |
| 3 |
| Languages | 10 supported | 1 supported |
|---|
| Listed since | Jan 2022 | Oct 2026 |
|---|
| Listed |
|---|
None
| Keyword | Smart Size Chart & Size Guide | SizeHarbor |
|---|---|---|
| quizzes | #37 | #135 |
No tracked changes.
| Signal | Smart Size Chart & Size Guide | SizeHarbor |
|---|---|---|
| Average rating | 4.9 ★ (152) | — |
| Rating distribution | 596% 43% 30% 20% 11% | 5— 4— 3— 2— 1— |
Works great and many opties!
app is good, good service
Leslie helps me today to set up the smart size guide and recommender quiz. She was so helpful, knowledge and awesome.
Super easy to use and set up! Everything works smoothly, and we haven’t had any issues at all. It makes creating and managing size charts so simple. We’re really hoping this helps our customers find the right size more confidently and reduces returns and exchanges. Fingers crossed and praying it makes a difference! Hig
Smart Size Chart & Size Guide is cheaper to start with — it offers a free plan and SizeHarbor: Size Charts & Fit doesn't list one. Prices are as listed on the Shopify App Store; check what each tier includes in the Pricing section above.
AppRanks cannot separate these two on rating, because neither publishes one. Smart Size Chart & Size Guide does carry the larger published review base (152 vs 0). Read both apps' detail pages for the feature breakdown and recent listing changes.
Both apps are one-click installs from the Shopify App Store. AppRanks doesn't measure setup time directly; Smart Size Chart & Size Guide has more published reviews to read for user-reported install experience (152 vs 0).
AppRanks cannot say which fits a larger or smaller operation — there is no store-size measurement in the Shopify App Store data. What it can show: Smart Size Chart & Size Guide has 152 published reviews; SizeHarbor: Size Charts & Fit has 0 published reviews. Compare plan limits and pricing tiers against your own volume.
Migration support varies by app and category. Smart Size Chart & Size Guide and SizeHarbor: Size Charts & Fit 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 SizeHarbor: Size Charts & Fit" in each app's help center. AppRanks does not track migration tooling directly — this is a category-specific capability worth verifying before commitment.
None
Ottima
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