RightSize ‑ Ring Sizing App vs TrueHue Calibration
Two Shopify apps, side by side: detected stores, momentum, reviews, plans, listed features and who runs each. Store counts as of Oct 13, 2026.
The short answer
- Paid plans start at $9.99/month for RightSize and $13.99/month for TrueHue Calibration.
Head to head
Basic Plan
- · Confidence Scores
- · Google Analytics Button Tracking
- · Strong CTA Once Size Generated
- · Theme editor friendly
- · UK, EU and US Size Charts
- · Works with or without a custom chart
Basic Plan Annual
- · Discount for annual package
- · Everything In basic
TrueHue Standard
Coverage counts what each App Store listing names. Every feature, checked off app by app, is in Shoplist.
See every featureThis app helps customers accurately determine their ring size directly on your storefront, reducing uncertainty during purchase. By providing an on-screen sizing experience, merchants can improve buyer confidence, minimise size-related returns, and streamline the path to checkout. The app installs quickly and works across product pages without disrupting existing themes.
Increase sales and reduce returns. Every screen displays color differently, causing clothing, cosmetics, paint, and home décor to look inaccurate and biased online. TrueHue lets each shopper calibrate their display, so product images show accurate color on their specific display. Fewer returns, increased customer confidence, optimized for minimum friction. Works with any Shopify theme.
- On-screen ring sizing tool for accurate sizing on product pages.
- Theme-safe installation that works with existing storefronts.
- Interaction tracking to measure engagement with the sizing tool.
- Works across desktop and mobile devices without layout issues.
- Product images corrected for the shopper’s actual screen.
- Shopper calibration applies across the entire store.
- Minimal setup with no ongoing maintenance.
- Shown only on relevant product pages.
All the numbers
Every figure, side by side
A green dot marks the app ahead on a measured figure. Estimates, gaps and apps that leave no storefront trace never take the lead.
Adoption
| Measure |  RightSize |  TrueHue Calibration |
|---|---|---|
| Detected stores | Not published | Not published |
| Net store change, 28 days | 0 | 0 |
| Stores added, 28 days | Not enough data | Not enough data |
| Big-brand share | Not enough data | Not enough data |
| Top store categories | Not published | Not published |
| Top store countries | Not published | Not published |
Reviews
| Measure | RightSize | TrueHue Calibration |
|---|---|---|
| App Store rating | Not published | Not published |
| App Store reviews | Not published | Not published |
| New reviews, 28 days | Not enough data | Not enough data |
| Reviewers a year or more in | Not enough data | Not enough data |
Pricing
| Measure | RightSize | TrueHue Calibration |
|---|---|---|
| Free plan | Not listed | Not listed |
| Lowest paid monthly plan | $9.99/month(ahead) | $13.99/month |
| Longest free trial | 7 days | 60 days |
| Plans listed | 2 | 1 |
Listing
| Measure | RightSize | TrueHue Calibration |
|---|---|---|
| Shopify category rank | #490 | #487(ahead) |
| Shopify App Charts | Not on this week’s charts | Not on this week’s charts |
| Built for Shopify | No | No |
| Launched | May 14, 2026 | Apr 21, 2026 |
| Languages | 1 | 1 |
| Developer | SizeGuideAI | TrueHue |
FAQ
RightSize and TrueHue Calibration: common questions
- Is RightSize or TrueHue Calibration cheaper?
- Paid plans start at $9.99/month for RightSize and $13.99/month for TrueHue Calibration. Shoplist compares base prices only between monthly plans in the same currency; usage charges and annual plans vary, so check each plan’s limits.
- Where does this comparison’s data come from?
- Shoplist crawls Shopify storefronts to detect which apps each store runs, and reads each app’s Shopify App Store listing for reviews, pricing, features and integrations. Store counts are as of Oct 13, 2026; estimated figures are labeled.
How Shoplist compares apps
Store counts come from Shoplist’s crawl of Shopify storefronts, which detects the apps each store runs; they are as of Oct 13, 2026. Reviews, ratings, plans, features and integrations come from each app’s Shopify App Store listing. 28-day figures are labeled when estimated, and a figure that is missing or estimated never decides who leads. Read the methodology.