# My Jump Lab vs Training121

The clearest difference is in-app purchases: Training121 at none against My Jump Lab's 3. My Jump Lab's advantage is update cadence (every 3 weeks vs every 22 months) and device support (4 vs 2). On price, ads and iOS requirement there is nothing between them.

Both are free to download. My Jump Lab sells 3 in-app purchases, starting at $5.99 per month. Training121 asks for nothing beyond the download.

My Jump Lab ships an update every 3 weeks, Training121 every 22 months. The most recent releases landed on October 29, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | My Jump Lab | Training121 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (254 ratings)](https://appshunter.io/ios/app/my-jump-lab/id1554077178/reviews)** | — |
| Number of ratings | **254** | — |
| Positive reviews | 59.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 22 months |
| Monetization | Subscription | — |
| Size | 89 MB | 31 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Carlos Balsalobre](https://appshunter.io/developer/1075902286) | [Training121](https://appshunter.io/developer/1615986164) |

## What reviewers say

### My Jump Lab

[App page](https://appshunter.io/ios/app/my-jump-lab/id1554077178)

This app scientifically measures athletic performance using your device's camera and sensors. It offers over 30 validated tests for jumping, strength, sprinting, and more, providing lab-grade accuracy without extra hardware. Ideal for coaches, athletes, and researchers to track progress and analyze performance.

**Highlights:** Validated sports performance measurement, Over 30 performance tests, Jumping, strength, and sprinting analysis, Velocity-based training (VBT), Motion capture for real-time analysis, Multi-user support, Data export for research

**Features:** Family Sharing, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium- 1 month | $5.99 | per month |
| Premium - 1 year | $39.99 | per year |
| Premium - Lifetime | $105.99 | one-time |

**What reviewers like**

- ✅ Scientifically validated measurements
- 📊 Comprehensive testing capabilities (CMJ, SJ, VBT, etc.)
- 💪 Excellent for athletes, coaches, and sports scientists
- 🎯 Accurate vertical jump and performance tracking
- 📱 User-friendly and intuitive interface

**What reviewers complain about**

- 🐛 Frequent app crashes during tests
- 📹 Camera detection issues with exercises
- ❌ Inconsistent measurement accuracy
- 🔄 Synchronization problems between devices
- ⚠️ Limited free trial functionality

**Reported bugs**

- App crashes during complete test (3rd-4th attempt)
- CMJ automatic AI detection fails repeatedly
- Camera not activating in real-time recording
- Force-velocity profile graph not displaying
- Velocity measurements inconsistent between real-time and graph

**Requested features**

- More comprehensive video tutorials
- Desktop app synchronization
- MySprint integration
- PDF export of assessment reports
- Additional exercise templates for encoder


### Training121

[App page](https://appshunter.io/ios/app/training121/id1615986162)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is My Jump Lab free?

My Jump Lab is free to download, with in-app purchases available.

### Is Training121 free?

Training121 is free to download, with no in-app purchases.

### Do My Jump Lab or Training121 have ads?

Neither My Jump Lab nor Training121 shows ads.

### Which is updated more often, My Jump Lab or Training121?

My Jump Lab ships an update every 3 weeks, and Training121 every 22 months. Most recently, My Jump Lab was updated on October 29, 2026 and Training121 on October 27, 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.*