# Kalybr vs Project Lean

Kalybr and Project Lean are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

Kalybr ships an update every 3 weeks, Project Lean every 2 weeks. The most recent releases landed on October 2, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Kalybr | Project Lean |
| --- | --- | --- |
| 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 weeks | **Every 2 weeks** |
| Monetization | Free | — |
| Size | 55 MB | 45 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Mohamed Zakaria](https://appshunter.io/developer/1867130545) | [Stride Performance](https://appshunter.io/developer/1896537284) |

## What reviewers say

### 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


### Project Lean

[App page](https://appshunter.io/ios/app/project-lean-coach-and-tracker/id6768079565)

**In-app purchases:** none


## Frequently asked questions

### Is Kalybr free?

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

### Is Project Lean free?

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

### Do Kalybr or Project Lean have ads?

Neither Kalybr nor Project Lean shows ads.

### Which is updated more often, Kalybr or Project Lean?

Kalybr ships an update every 3 weeks, and Project Lean every 2 weeks. Most recently, Kalybr was updated on October 2, 2026 and Project Lean on October 7, 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.*