Side-by-side comparison · 24 data points
Custom products made easy with Customify. Custom product builder made simple!
| Customify ‑ Custom Product App | Smart Size Chart & Size Guide | |
|---|---|---|
| Tagline | ||
| Description | ||
| Screenshots | images | images |
| Languages | ||
| Platforms | ||
| Developer | ||
| Listed |
Size charts, size guides and a “Find my size” AI size recommender, built in minutes
| Metric | Customify ‑ Custom Product App | Smart Size Chart & Size Guide |
|---|---|---|
| Rating | 4.4 ★ | ★ 4.9 ★ |
| Total reviews | 102 | ★ 141 |
| Free plan | Yes | Yes |
| Pricing | Free plan available | Free plan available |
| Built for Shopify | Yes | Yes |
| Pricing tiers | 4 tiers | 4 tiers |
| Listed features | 5 | 5 |
| Review velocity (30d) | — | 4 new |
| Languages | 1 supported | 10 supported |
| Listed since | Jun 2014 | Jan 2022 |
Based on the data on this page, Smart Size Chart & Size Guide is the stronger choice for most Shopify App Store merchants — 4.9★ vs Customify ‑ Custom Product App's 4.4★ is a meaningful gap that usually reflects real product or support quality differences across the user base.
Pricing entry tiers: Customify ‑ Custom Product App at Free plan available, Smart Size Chart & Size Guide 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 (seats, usage volume, integrations) varies.
Recommended by size: small/early-stage merchants who need fast install and low risk should default to Smart Size Chart & Size Guide; mid-market and enterprise merchants with specific feature requirements should evaluate both — Customify ‑ Custom Product App's 102-review base may include the workflow context that matches your specific use case better than Smart Size Chart & Size Guide's broader-but-shallower coverage.
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: Customify ‑ Custom Product App audit • Smart Size Chart & Size Guide audit
| Last updated | — | — |
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| Keyword | Customify ‑ Custom Product App | Smart Size Chart & Size Guide |
|---|---|---|
| live chat app | #231 | #240 |
| Signal | Customify ‑ Custom Product App | Smart Size Chart & Size Guide |
|---|---|---|
| Average rating | 4.4 ★ (102) | 4.9 ★ (141) |
| Rating distribution | 5— 4— 3— 2— 1— | 597% 43% 30% 20% 11% |
| Reviews · last 7 days | — | +1 |
| Reviews · last 30 days | — | +4 |
| Reviews · last 90 days | — | +15 |
No reviews yet.
Both Customify ‑ Custom Product App and Smart Size Chart & Size Guide offer paid plans only. Customify ‑ Custom Product App starts at Free plan available; Smart Size Chart & Size Guide starts at Free plan available. Compare the per-tier features in the Pricing section above before committing.
Smart Size Chart & Size Guide has the higher average rating (4.9★ from 141 reviews) compared to Customify ‑ Custom Product App (4.4★ from 102 reviews). Both are tracked daily by AppRanks, so the figures here update each refresh cycle.
Smart Size Chart & Size Guide holds the higher average rating (4.9★ vs 4.4★). That is the one dimension AppRanks can separate them on here — read both apps' detail pages for the feature breakdown and recent listing changes.
Both apps are one-click installs from the Shopify App Store. Smart Size Chart & Size Guide has the deeper published review base (141 vs 102), which often — though not always — accompanies better-tested setup docs. AppRanks doesn't measure setup time directly: read the recent reviews on each app's detail page for user-reported install experience.
Customify ‑ Custom Product App typically suits early-stage and growth-mode teams based on its published review base (102 reviews). Smart Size Chart & Size Guide typically suits early-stage and growth-mode teams based on its published review base (141 reviews). A larger review base generally means the app has been exercised at scale — relevant if you are processing high volume or handling enterprise compliance requirements.
This is a great app, with phenomenal customer support. Not sure i've ever experienced such great support before. They go above and beyond, any changes you need, they are willing to help with, and respond almost immediately. One of the best teams I've ever worked with.
We recently switched to Smart Size after using our own size guides and it has really helped to streamline the appearance of our product pages, and is much more user friendly. It included most of the key features we were looking for, and the team have been so helpful and responsive with any specific changes or issues we
This app has reduced my 'wrong size' returns by as much as 80% Love it!
Migration support varies by app and category. Customify ‑ Custom Product App and Smart Size Chart & Size Guide 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 Customify ‑ Custom Product App" in each app's help center. AppRanks does not track migration tooling directly — this is a category-specific capability worth verifying before commitment.
