# ShapeScale vs Thinnr

ShapeScale and Thinnr both sit at 3.9 stars, but that hides the real split: 88% of Thinnr's written reviews are positive against 54% of ShapeScale's. On price, rating, ratings volume and update cadence there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 3.9 for ShapeScale against 4.0 for Thinnr. Both are backed by a comparable volume of ratings — 45 and 19 respectively. Written reviews are what separate them: 54% of ShapeScale's written reviews are positive against 88% of Thinnr's.

Both ship on a similar rhythm, roughly weekly. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | ShapeScale | Thinnr |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.9 (45 ratings)](https://appshunter.io/ios/app/shapescale-body-composition/id1483088842/reviews) | **[4.0 (19 ratings)](https://appshunter.io/ios/app/thinnr/id6739101328/reviews)** |
| Number of ratings | **45** | 19 |
| Positive reviews | 53.8% of reviews | **87.5% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Weekly | Weekly |
| Monetization | Free | Free |
| Size | 99 MB | 56 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 12+ |
| Developer | [ShapeScale](https://appshunter.io/developer/1483088841) | [SlimCell, LLC](https://appshunter.io/developer/1783691818) |

## What reviewers say

### ShapeScale

[App page](https://appshunter.io/ios/app/shapescale-body-composition/id1483088842)

This app uses a 3D body scanner to provide detailed body composition analysis, including body fat percentage, girth, and volume measurements. Track your progress visually with 3D comparisons and heatmaps, and receive personalized feedback to achieve your fitness goals.

**Highlights:** 3D Body Scan, Personalized Health & Shape Scores, Body fat percentage and BMI tracking, Girth and Volumetric Measurements, Heatmap for change visualization, Side-by-Side 3D Scan Comparison

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Thinnr

[App page](https://appshunter.io/ios/app/thinnr/id6739101328)

This health app allows users to log their food intake and send it to their healthcare provider. Users can receive daily health instructions and communicate with their provider directly through the app. It offers a personalized health experience.

**Highlights:** Food logging, Send food logs to provider, Receive daily health instructions, In-app chat with provider, Personalized health experience

**In-app purchases:** none


## Frequently asked questions

### Is ShapeScale free?

ShapeScale is free to download, with no in-app purchases.

### Is Thinnr free?

Thinnr is free to download, with no in-app purchases.

### Which has better reviews, ShapeScale or Thinnr?

Thinnr is rated higher. ShapeScale averages 3.9 out of 5 from 45 ratings, while Thinnr averages 4.0 from 19 ratings.

### Do ShapeScale or Thinnr have ads?

Neither ShapeScale nor Thinnr shows ads.

### Which is updated more often, ShapeScale or Thinnr?

ShapeScale ships an update weekly, and Thinnr weekly. Most recently, ShapeScale was updated on October 25, 2026 and Thinnr on October 24, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*