# Kalox vs Repstack

The clearest difference is iOS requirement: Kalox at 15.5 against Repstack's 17.0. On price, update cadence, ads and in-app purchases there is nothing between them.

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

Kalox ships an update every 8 days, Repstack every 5 days. The most recent releases landed on October 10, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Kalox | Repstack |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/kalox-calisthenics-tracker/id6775302784/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 days | **Every 5 days** |
| Monetization | Free | — |
| Size | 60 MB | 3 MB |
| Requires iOS | **15.5** | 17.0 |
| Devices | iPhone, iPod | iPhone, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [SERHAT FURKAN BOZKURT](https://appshunter.io/developer/6775302786) | [Jakub Chojnacki](https://appshunter.io/developer/1896497101) |

## What reviewers say

### Kalox

[App page](https://appshunter.io/ios/app/kalox-calisthenics-tracker/id6775302784)

This app helps you train with your bodyweight by providing tailored programs, real-time rep counting and form scoring via your phone's camera, and guided workout sessions. Track your progress with a diary, goals, and charts, all while keeping your data private.

**Highlights:** Generated training programs, Skill-based progressions, Real-time rep counting, On-device pose tracking, Form scoring and cues, Workout diary and progress charts, Private data storage

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

**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 Kalox free?

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

### Is Repstack free?

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

### Do Kalox or Repstack have ads?

Neither Kalox nor Repstack shows ads.

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

Kalox ships an update every 8 days, and Repstack every 5 days. Most recently, Kalox 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.*