# PostureCHECKER vs reactimer

The clearest difference is in-app purchases: PostureCHECKER at none against reactimer's 1. PostureCHECKER also leads on ads (none vs shown) and iOS requirement (15.0 vs 18.5). reactimer's advantage is update cadence (every 4 weeks vs every 6 months). On price and device support there is nothing between them.

Both are free to download. reactimer sells 1 in-app purchase, starting at $12.99 per year. PostureCHECKER asks for nothing beyond the download.

PostureCHECKER ships an update every 6 months, reactimer every 4 weeks. The most recent releases landed on October 7, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | PostureCHECKER | reactimer |
| --- | --- | --- |
| 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** | Yes |
| Update frequency | Every 6 months | **Every 4 weeks** |
| Monetization | Free | — |
| Size | 2 MB | 23 MB |
| Requires iOS | **15.0** | 18.5 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Medic Engineering K.K.](https://appshunter.io/developer/917118875) | [Yuriy Nosenko](https://appshunter.io/developer/1843733555) |

## 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


### reactimer

[App page](https://appshunter.io/ios/app/reactimer/id6753364002)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Subscription | $12.99 | per year |


## Frequently asked questions

### Is PostureCHECKER free?

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

### Is reactimer free?

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

### Do PostureCHECKER or reactimer have ads?

reactimer shows ads; PostureCHECKER does not.

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

PostureCHECKER ships an update every 6 months, and reactimer every 4 weeks. Most recently, PostureCHECKER was updated on October 7, 2026 and reactimer on September 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.*