Side-by-side comparison · 24 data points·36% similar
Size charts, size guides and a “Find my size” AI size recommender, built in minutes
| Smart Size Chart & Size Guide | Virtusize | |
|---|---|---|
| Tagline | ||
| Description | ||
| Screenshots | images | images |
| Languages | ||
| Platforms | ||
| Developer | ||
| Listed |
| Metric | Smart Size Chart & Size Guide | Virtusize: Smart Sizing & Fit |
|---|---|---|
| Rating | 4.9 ★ | ★ 5.0 ★ |
| Total reviews | ★ 142 | 1 |
| Free plan | Yes | Yes |
| Pricing | Free plan available | Free plan available |
| Built for Shopify | ★ Yes | — |
| Pricing tiers | ★ 4 tiers | 1 tier |
| Listed features | 5 | 5 |
| Review velocity (30d) | ★ 4 new | 1 new |
| Languages | 10 supported | 1 supported |
| Listed since | Jan 2022 | Apr 2026 |
Smart Size Chart & Size Guide and Virtusize: Smart Sizing & Fit are evenly matched on rating (4.9★ vs 5.0★) — the differentiator comes down to pricing fit, feature breadth, and which app's interaction pattern suits your team's workflow.
Pricing entry tiers: Smart Size Chart & Size Guide at Free plan available, Virtusize: Smart Sizing & Fit 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.
Smart Size Chart & Size Guide has the larger user base (142 reviews vs 1), which usually maps to broader integration coverage, faster bug-fix cadence, and a deeper bench of community workflow patterns. Virtusize: Smart Sizing & Fit'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 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: Smart Size Chart & Size Guide audit • Virtusize: Smart Sizing & Fit audit
| Last updated | — | — |
|---|
| Keyword | Smart Size Chart & Size Guide | Virtusize |
|---|---|---|
| smart sizing | #1 | #4 |
| fit visualization | #8 | #1 |
| reduce returns | #4 | #23 |
| virtual fitting solutions | #5 | #23 |
| sizing | #2 | #115 |
| Signal | Smart Size Chart & Size Guide | Virtusize |
|---|---|---|
| Average rating | 4.9 ★ (142) | 5.0 ★ (1) |
| Rating distribution | 597% 43% 30% 20% 11% | 5100% 40% 30% 20% 10% |
| Reviews · last 7 days | +0 | +0 |
| Reviews · last 30 days | +4 | +1 |
| Reviews · last 90 days | +15 | +1 |
Both Smart Size Chart & Size Guide and Virtusize: Smart Sizing & Fit offer paid plans only. Smart Size Chart & Size Guide starts at Free plan available; Virtusize: Smart Sizing & Fit starts at Free plan available. Compare the per-tier features in the Pricing section above before committing.
Smart Size Chart & Size Guide (4.9★, 142 reviews) and Virtusize: Smart Sizing & Fit (5.0★, 1 reviews) are essentially tied on rating. Look at review velocity and individual reviewer quotes — both visible on each app's detail page — to differentiate.
Virtusize: Smart Sizing & Fit holds the higher average rating (5.0★ vs 4.9★). 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 (142 vs 1), 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.
Smart Size Chart & Size Guide typically suits early-stage and growth-mode teams based on its published review base (142 reviews). Virtusize: Smart Sizing & Fit typically suits early-stage and growth-mode teams based on its published review base (1 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!
Virtusize has been a great addition to our store. Getting everything installed and configured was incredibly straightforward, and we had it working on our products within just a few minutes. The setup instructions and video made the whole process really clear. We also really like the flexibility on our side to adjust h
Migration support varies by app and category. Smart Size Chart & Size Guide and Virtusize: Smart Sizing & 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 Virtusize: Smart Sizing & Fit" in each app's help center. AppRanks does not track migration tooling directly — this is a category-specific capability worth verifying before commitment.
