# Calisthenics Mastery vs Gravity Laboratory

The clearest difference is rating: Gravity Laboratory at 5.0 against Calisthenics Mastery's 4.4. Gravity Laboratory also leads on in-app purchases (none vs 3) and review sentiment (100% vs 73%). Calisthenics Mastery's advantage is update cadence (monthly vs every 7 months) and ratings volume (136 vs 1). On price, ads and device support there is nothing between them.

Both are free to download. Calisthenics Mastery sells 3 one-off in-app purchases. Gravity Laboratory asks for nothing beyond the download.

Gravity Laboratory holds the better App Store score, 5.0 against 4.4. That said, the two scores are not equally well evidenced: Calisthenics Mastery has 136 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 73% of Calisthenics Mastery's written reviews are positive against 100% of Gravity Laboratory's.

Calisthenics Mastery ships an update monthly, Gravity Laboratory every 7 months. The most recent releases landed on October 22, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | Calisthenics Mastery | Gravity Laboratory |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.4 (136 ratings)](https://appshunter.io/ios/app/calisthenics-mastery/id1102054063/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/gravity-laboratory/id1457846980/reviews)** |
| Number of ratings | **136** | 1 |
| Positive reviews | 72.5% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Monthly** | Every 7 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 155 MB | 214 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Zoltan Ferke](https://appshunter.io/developer/853570394) | [Gravity Laboratory](https://appshunter.io/developer/1457846979) |

## What reviewers say

### Calisthenics Mastery

[App page](https://appshunter.io/ios/app/calisthenics-mastery/id1102054063)

This app helps users achieve their fitness goals with monthly workout plans and a library of exercises. It offers a free version with core features and a pro upgrade for advanced content and modes.

**Highlights:** Monthly workout plans, Extensive exercise library, Workout player with timers, Progress tracking, Exercise videos, Workout modes (Tabata, Bring Sally Up, Deck of Cards)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 4+1 Exercise Pack I | $4.99 | one-time |
| Pro Package with Price Reductions for your previous purchases | $6.99 | one-time |
| Pro Package | $14.99 | one-time |

**What reviewers like**

- 👍 Great Convict Conditioning app
- 👍 Simple and effective
- 👍 Amazing and versatile
- 👍 Easy to use interface
- 👍 Great exercises and pace

**What reviewers complain about**

- 🐛 Freezes and can't be used
- 🐛 App crashes on account creation
- 🐛 Crashing when checking full version price
- 🐛 Buggy interface
- 🐛 Rep number changes don't auto-update

**Reported bugs**

- App freezes and becomes unusable
- App crashes when creating an account
- App crashes when checking full version price
- Rep number changes during workout don't update automatically
- App not working well after updates

**Requested features**

- Add dumbbell lifting
- Add more set-up types
- Add IsoMax protocols
- Add ring exercises
- Add ab exercises


### Gravity Laboratory

[App page](https://appshunter.io/ios/app/gravity-laboratory/id1457846980)

This comprehensive fitness platform offers evidence-based exercise programs and classes. Track your daily activities, body metrics, and access over 2000 exercises with 3D demonstrations. It caters to both lifestyle and performance athletes.

**Highlights:** Class schedules and opening hours, Daily fitness activity tracking, Body metrics tracking, 2000+ exercises with 3D demos, Preset and custom workouts, Badge earning system, Apple Health sync

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

**In-app purchases:** none


## Frequently asked questions

### Is Calisthenics Mastery free?

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

### Is Gravity Laboratory free?

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

### Which has better reviews, Calisthenics Mastery or Gravity Laboratory?

Gravity Laboratory is rated higher. Calisthenics Mastery averages 4.4 out of 5 from 136 ratings, while Gravity Laboratory averages 5.0 from 1 ratings.

### Do Calisthenics Mastery or Gravity Laboratory have ads?

Neither Calisthenics Mastery nor Gravity Laboratory shows ads.

### Which is updated more often, Calisthenics Mastery or Gravity Laboratory?

Calisthenics Mastery ships an update monthly, and Gravity Laboratory every 7 months. Most recently, Calisthenics Mastery was updated on October 22, 2026 and Gravity Laboratory on October 20, 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.*