RMS Size Helper vs Smart Size Chart & Size Guide

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 RMS Size Helper's 0.0★ is a meaningful gap that usually reflects real product or support quality differences across the user base.

Pricing entry tiers: RMS Size Helper 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.

Smart Size Chart & Size Guide has the larger user base (144 reviews vs 0), which usually maps to broader integration coverage, faster bug-fix cadence, and a deeper bench of community workflow patterns. RMS Size Helper's smaller cohort can be an advantage for niche workflows where the bigger app has accumulated bloat.

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 — RMS Size Helper's 0-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.

Is RMS Size Helper or Smart Size Chart & Size Guide cheaper?

Both RMS Size Helper and Smart Size Chart & Size Guide offer paid plans only. RMS Size Helper 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.

Should I choose RMS Size Helper or Smart Size Chart & Size Guide?

AppRanks cannot separate these two on rating, because neither publishes one. Smart Size Chart & Size Guide does carry the larger published review base (144 vs 0). Read both apps' detail pages for the feature breakdown and recent listing changes.

Which is faster to set up, RMS Size Helper or Smart Size Chart & Size Guide?

Both apps are one-click installs from the Shopify App Store. Smart Size Chart & Size Guide has the deeper published review base (144 vs 0), 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.

Which works better for small vs large Shopify App Store merchants?

RMS Size Helper typically suits early-stage and growth-mode teams based on its published review base (0 reviews). Smart Size Chart & Size Guide typically suits early-stage and growth-mode teams based on its published review base (144 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.

Can I migrate data between RMS Size Helper and Smart Size Chart & Size Guide?

Migration support varies by app and category. RMS Size Helper 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 RMS Size Helper" in each app's help center. AppRanks does not track migration tooling directly — this is a category-specific capability worth verifying before commitment.