Is RMS Size Helper or ScaleChart: Size Chart & Guide cheaper?

Both RMS Size Helper and ScaleChart: Size Chart & Guide offer a free plan. RMS Size Helper lists no paid plan with a published price; ScaleChart: Size Chart & Guide lists no paid plan with a published price. Prices are as listed on the Shopify App Store; check what each tier includes in the Pricing section above.

Should I choose RMS Size Helper or ScaleChart: Size Chart & Guide?

AppRanks cannot separate these two on rating, because neither publishes one. ScaleChart: Size Chart & Guide does carry the larger published review base (54 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 ScaleChart: Size Chart & Guide?

Both apps are one-click installs from the Shopify App Store. AppRanks doesn't measure setup time directly; ScaleChart: Size Chart & Guide has more published reviews to read for user-reported install experience (54 vs 0).

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

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: RMS Size Helper has 0 published reviews; ScaleChart: Size Chart & Guide has 54 published reviews. Compare plan limits and pricing tiers against your own volume.

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

Migration support varies by app and category. RMS Size Helper and ScaleChart: Size Chart & 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.

AppRanks

RMS Size Helper vs ScaleChart

Side-by-side comparison

RMS Size Helper

No rating yet

Sell the size that actually fits — the first time.

shopifyFree plan available

Change

New comparison

ScaleChart

5.0·54reviews

AI size charts and a fit recommender reduce returns. Cart & post-purchase upsells raise order value.

Built for ShopifyshopifyFree plan available

Change

At a glance

9 metrics · ★ = leads on this metric

Feature comparison between RMS Size Helper and ScaleChart: Size Chart & Guide
Metric	RMS Size Helper	ScaleChart: Size Chart & Guide
Rating	—	5.0 ★
Total reviews	0	54
Free plan	Yes	Yes
Pricing	Free plan available	Free plan available
Built for Shopify	—	★ Yes
Pricing tiers	★ 4 tiers	2 tiers
Listed features	5	5

AppRanks verdict

Generated from live data on this page

The call

On the measured data here, ScaleChart leads on more dimensions (4 vs 1). Pick RMS Size Helper if one of the points where it leads is what you need.

Where RMS Size Helper leads

Lists Color and font, Mobile responsive and Product page (+3 more) in its marketplace category features; ScaleChart doesn't.

Where ScaleChart leads

More published reviews: 54 vs 0.
Available in more languages: 8 vs 1.
Ranks higher in Product comparison: #4 vs #201 of 296.
Lists Comparison table, Conditional logic and Custom CSS (+2 more) in its marketplace category features; RMS Size Helper doesn't.

How this is generated

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: RMS Size Helper audit • ScaleChart: Size Chart & Guide audit

1. Listing metadata

Field-level data

Field	RMS Size Helper	ScaleChart
Tagline	“Sell the size that actually fits — the first time.”	“AI size charts and a fit recommender reduce returns. Cart & post-purchase upsells raise order value.”
Listing audit	89/100 listing audit	94/100 listing audit
Screenshots	5 images	5 images
Languages	English	EnglishDanishDutchFrenchItalian+3 more
Platforms	Shopify	Shopify
Developer	RMS

RMS Size Helper vs ScaleChart

RMS Size Helper

ScaleChart

At a glance

AppRanks verdict

1. Listing metadata

2. Pricing & plans

3. Features

4. Categories & rankings

5. Category features

6. Search rankings

7. Activity in the last 90 days

RMS Size Helper · 3 changes

ScaleChart · 5 changes

8. App details

Frequently asked

Is RMS Size Helper or ScaleChart: Size Chart & Guide cheaper?

Should I choose RMS Size Helper or ScaleChart: Size Chart & Guide?

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

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

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

Track these apps' keyword rankings and listing changes

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