# Calf Raise vs My Jump Lab

The clearest difference is rating: My Jump Lab at 4.6 against Calf Raise's 3.9. My Jump Lab also leads on review sentiment (59% vs 20%) and ratings volume (255 vs 16). Calf Raise's advantage is in-app purchases (none vs 3) and iOS requirement (12.0 vs 15.0). On price, update cadence, ads and device support there is nothing between them.

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

My Jump Lab holds the better App Store score, 4.6 against 3.9. That said, the two scores are not equally well evidenced: My Jump Lab has 255 ratings behind it against 16, so its average is the more settled of the two. Written reviews point the same way: 20% of Calf Raise's written reviews are positive against 59% of My Jump Lab's.

Calf Raise ships an update monthly, My Jump Lab every 3 weeks. The most recent releases landed on October 24, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Calf Raise | My Jump Lab |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.9 (16 ratings)](https://appshunter.io/ios/app/calf-raise/id1507737701/reviews) | **[4.6 (255 ratings)](https://appshunter.io/ios/app/my-jump-lab/id1554077178/reviews)** |
| Number of ratings | 16 | **255** |
| Positive reviews | 20.0% of reviews | **59.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 3 weeks** |
| Monetization | **Free** | Subscription |
| Size | 30 MB | 89 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Kim Hebert-Losier](https://appshunter.io/developer/1507737700) | [Carlos Balsalobre](https://appshunter.io/developer/1075902286) |

## What reviewers say

### Calf Raise

[App page](https://appshunter.io/ios/app/calf-raise/id1507737701)

This app uses your device's camera to analyze calf raise performance through video. It measures height, power, and work, and calculates a fatigue index. Track progress over time and compare left and right leg performance.

**Highlights:** Video analysis of calf raises, Measures heel height, power, and work, Calculates fatigue index, Supports external load for strength testing, Multi-user support, Data export to CSV, Integrated metronome

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

**In-app purchases:** none


### 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


## Frequently asked questions

### Is Calf Raise free?

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

### Is My Jump Lab free?

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

### Which has better reviews, Calf Raise or My Jump Lab?

My Jump Lab is rated higher. Calf Raise averages 3.9 out of 5 from 16 ratings, while My Jump Lab averages 4.6 from 255 ratings.

### Do Calf Raise or My Jump Lab have ads?

Neither Calf Raise nor My Jump Lab shows ads.

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

Calf Raise ships an update monthly, and My Jump Lab every 3 weeks. Most recently, Calf Raise was updated on October 24, 2026 and My Jump Lab on November 3, 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.*