# Gravity Laboratory vs Calisthenics Go

The clearest difference is in-app purchases: Gravity Laboratory at none against Calisthenics Go's 1. Gravity Laboratory also leads on iOS requirement (15.0 vs 17.6). Calisthenics Go's advantage is update cadence (every 3 weeks vs every 7 months). On price, ads and device support there is nothing between them.

Both are free to download. Calisthenics Go sells 1 one-off in-app purchase. Gravity Laboratory asks for nothing beyond the download.

Gravity Laboratory ships an update every 7 months, Calisthenics Go every 3 weeks. The most recent releases landed on November 2, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | Gravity Laboratory | Calisthenics Go |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/gravity-laboratory/id1457846980/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 3 weeks** |
| Monetization | Free | — |
| Size | 214 MB | 54 MB |
| Requires iOS | **15.0** | 17.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 12+ | 17+ |
| Developer | [Gravity Laboratory](https://appshunter.io/developer/1457846979) | [Rogelio Amezquita](https://appshunter.io/developer/884895663) |

## What reviewers say

### 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


### Calisthenics Go

[App page](https://appshunter.io/ios/app/calisthenics-go/id6480378818)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Calisthenics Go Lifetime Unlock | $1.99 | one-time |


## Frequently asked questions

### Is Gravity Laboratory free?

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

### Is Calisthenics Go free?

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

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

Neither Gravity Laboratory nor Calisthenics Go shows ads.

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

Gravity Laboratory ships an update every 7 months, and Calisthenics Go every 3 weeks. Most recently, Gravity Laboratory was updated on November 2, 2026 and Calisthenics Go on November 4, 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.*