# 00 vs CheckMotion

The clearest difference is review sentiment: 00 at 100% against CheckMotion's 0%. 00 also leads on in-app purchases (none vs 1) and ads (none vs shown). CheckMotion's advantage is update cadence (every 2 weeks vs every 2 months). On price and device support there is nothing between them.

Both are free to download. CheckMotion sells 1 in-app purchase, starting at $9.99 per month. 00 asks for nothing beyond the download.

00 ships an update every 2 months, CheckMotion every 2 weeks. The most recent releases landed on November 3, 2026 and November 12, 2026 respectively.

## The numbers

| Metric | 00 | CheckMotion |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.0 (2 ratings)](https://appshunter.io/ios/app/checkmotion/id6751821354/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | **100.0% of reviews** | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 42 MB | 102 MB |
| Requires iOS | **10.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [Adriaan de Jongh](https://appshunter.io/developer/965628077) | [Georg Steinbacher](https://appshunter.io/developer/1733496481) |

## What reviewers say

### 00

[App page](https://appshunter.io/ios/app/0036/id1484981309)

This app serves as a companion for your movement practice, offering tools like timers, breaks, and a metronome. It also provides advanced partner instructions to guide your sessions.

**Highlights:** Timers and breaks, Advanced partner instructions, Metronome, Movement practice companion

**In-app purchases:** none


### CheckMotion

[App page](https://appshunter.io/ios/app/checkmotion/id6751821354)

Analyze athletic performance with AI-powered motion tracking. Upload photos or videos to get detailed biomechanical insights and personalized tips across over 30 sports. Improve technique, prevent injuries, and track progress with instant feedback.

**Highlights:** AI-powered biomechanical analysis, Support for 30+ sports, Real-time performance feedback, Progress tracking and analytics, Personalized training tips, Video and photo analysis

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $9.99 | per month |


## Frequently asked questions

### Is 00 free?

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

### Is CheckMotion free?

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

### Do 00 or CheckMotion have ads?

CheckMotion shows ads; 00 does not.

### Which is updated more often, 00 or CheckMotion?

00 ships an update every 2 months, and CheckMotion every 2 weeks. Most recently, 00 was updated on November 3, 2026 and CheckMotion on November 12, 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.*