# PostureCHECKER vs Evolve

The clearest difference is in-app purchases: PostureCHECKER at none against Evolve's 2. PostureCHECKER also leads on iOS requirement (15.0 vs 18.0). Evolve's advantage is update cadence (weekly vs every 6 months). On price, ads and device support there is nothing between them.

Both are free to download. Evolve sells 2 in-app purchases, starting at $0.99 per month. PostureCHECKER asks for nothing beyond the download.

PostureCHECKER ships an update every 6 months, Evolve weekly. The most recent releases landed on October 7, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | PostureCHECKER | Evolve |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.0 (3 ratings)](https://appshunter.io/ios/app/posturechecker-s/id917118876/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 75.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 months | **Weekly** |
| Monetization | Free | — |
| Size | 2 MB | 30 MB |
| Requires iOS | **15.0** | 18.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 17+ |
| Developer | [Medic Engineering K.K.](https://appshunter.io/developer/917118875) | [辰 陈](https://appshunter.io/developer/1883872159) |

## What reviewers say

### PostureCHECKER

[App page](https://appshunter.io/ios/app/posturechecker-s/id917118876)

Analyze your body's posture by taking a side-view photo. The app guides you to place markers on key points to assess alignment. It helps identify if your posture is straight but cannot diagnose medical conditions.

**Highlights:** Side-view photo analysis, Marker placement for key body points, Posture alignment assessment, Guidance on correct marker positioning, Identification of straight posture

**In-app purchases:** none


### Evolve

[App page](https://appshunter.io/ios/app/evolve-workoutplanner/id6760457986)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Evolve Pro 月度会员 | $0.99 | per month |
| Evolve Pro 年度会员 | $3.99 | per year |


## Frequently asked questions

### Is PostureCHECKER free?

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

### Is Evolve free?

Evolve is free to download, with in-app purchases available.

### Do PostureCHECKER or Evolve have ads?

Neither PostureCHECKER nor Evolve shows ads.

### Which is updated more often, PostureCHECKER or Evolve?

PostureCHECKER ships an update every 6 months, and Evolve weekly. Most recently, PostureCHECKER was updated on October 7, 2026 and Evolve on October 31, 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.*