# Gravity vs Repstack

The clearest difference is update cadence: Repstack at every 5 days against Gravity's every 3 weeks. Gravity's advantage is iOS requirement (15.1 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Gravity ships an update every 3 weeks, Repstack every 5 days. The most recent releases landed on October 10, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Gravity | Repstack |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 5 days** |
| Size | 37 MB | 3 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | iPhone, iPod | iPhone, Apple Watch |
| Age rating | 17+ | 4+ |
| Developer | [Vincent Van der Struis](https://appshunter.io/developer/6784987568) | [Jakub Chojnacki](https://appshunter.io/developer/1896497101) |

## What reviewers say

### Gravity

[App page](https://appshunter.io/ios/app/gravity-weighted-calisthenics/id6784987566)

**In-app purchases:** none


### Repstack

[App page](https://appshunter.io/ios/app/repstack-calisthenics/id6788094307)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Gravity free?

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

### Is Repstack free?

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

### Do Gravity or Repstack have ads?

Neither Gravity nor Repstack shows ads.

### Which is updated more often, Gravity or Repstack?

Gravity ships an update every 3 weeks, and Repstack every 5 days. Most recently, Gravity was updated on October 10, 2026 and Repstack on October 13, 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.*