# Byte+ vs Kalybr

The clearest difference is update cadence: Byte+ at every 3 days against Kalybr's every 3 weeks. 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.

Byte+ ships an update every 3 days, Kalybr every 3 weeks. Both last shipped on October 2, 2026.

## The numbers

| Metric | Byte+ | 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 | No | No |
| Update frequency | **Every 3 days** | Every 3 weeks |
| Monetization | — | Free |
| Size | 75 MB | 55 MB |
| Requires iOS | 16.0 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 12+ | 12+ |
| Developer | [Yasin Asfour](https://appshunter.io/developer/1767675319) | [Mohamed Zakaria](https://appshunter.io/developer/1867130545) |

## What reviewers say

### Byte+

[App page](https://appshunter.io/ios/app/byte-plus/id6673017447)

**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 Byte+ free?

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

### Is Kalybr free?

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

### Do Byte+ or Kalybr have ads?

Neither Byte+ nor Kalybr shows ads.

### Which is updated more often, Byte+ or Kalybr?

Byte+ ships an update every 3 days, and Kalybr every 3 weeks. Most recently, Byte+ was updated on October 2, 2026 and Kalybr on October 2, 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.*