# Synix. vs Kalybr

The clearest difference is ads: Kalybr at none against Synix.'s shown. On price, update cadence, 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.

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on September 29, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | Synix. | Kalybr |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[1.0 (1 ratings)](https://appshunter.io/ios/app/kalybr/id6757463392/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Monetization | — | Free |
| Size | 93 MB | 57 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [ELEMENT FOR TECHNOLOGICAL DEVELOPMENT](https://appshunter.io/developer/1830185126) | [Mohamed Zakaria](https://appshunter.io/developer/1867130545) |

## What reviewers say

### Synix.

[App page](https://appshunter.io/ios/app/synix/id6755435065)

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

**In-app purchases:** none


### Kalybr

[App page](https://appshunter.io/ios/app/kalybr/id6757463392)

This app provides personalized training programs designed by your coach, with clear exercise instructions and progress tracking. It offers a structured weekly plan and a direct connection to your coach for seamless collaboration. Focus on your fitness goals with a clean and distraction-free experience.

**Highlights:** Personalized training programs, Clear exercise instructions, Workout tracking, Weekly training structure, Coach-client connection, Intuitive interface

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

**In-app purchases:** none


## Frequently asked questions

### Is Synix. free?

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

### Is Kalybr free?

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

### Do Synix. or Kalybr have ads?

Synix. shows ads; Kalybr does not.

### Which is updated more often, Synix. or Kalybr?

Synix. ships an update every 3 weeks, and Kalybr every 3 weeks. Most recently, Synix. was updated on September 29, 2026 and Kalybr on September 15, 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.*