# Calibre Project — Educating watch enthusiasts

> Educating watch enthusiasts (iPhone/iPad app by Fraction AS.)

- Source: https://appshunter.io/ios/app/calibre-project/id6738384352 (this page in markdown: same URL + `.md`)
- Developer: [Fraction AS](https://appshunter.io/developer/1780522341)
- Category: Education, Lifestyle
- Price: Free with in-app purchases
- Age rating: 4+
- Requires: iOS 15.2 · 102 MB
- Languages: English
- Released: 2024-12-12
- Data updated: 2026-05-17
- User reviews in markdown: https://appshunter.io/ios/app/calibre-project/id6738384352/reviews.md

## What is Calibre Project?

Learn how mechanical watches work with the official Calibre Project App.
- You can easily access your courses on your mobile at your own pace.
- Watch your educational videoes, read content and test your knowledge when and where you want to. 
- Switch between desktop to mobile without losing your course program.

## Pricing and in-app purchases

Base price: Free.

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| Calibre Learning Kit | $299.99 | one-time |



## Version history (last 5 releases)

### 4.7.0 — 2025-09-25

Bug fixes and Improvements

### 4.6.0 — 2025-05-16

Bug fixes and Improvements

### 4.5.4 — 2025-04-07

Bug fixes and Improvements

### 4.5.3 — 2025-04-02

Bug fixes and Improvements

### 4.5.0 — 2025-03-17

Bug fixes and Improvements

## More apps by Fraction AS

- [SnapCount Fitness](https://appshunter.io/ios/app/snapcount-fitness/id6743251074)

All apps by Fraction AS: https://appshunter.io/developer/1780522341

---

*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-05-17.*