# Lib Manuels vs Trigonométrie

The clearest difference is update cadence: Lib Manuels at every 2 months against Trigonométrie's every 4 months. Lib Manuels also leads on device support (3 vs 1). Trigonométrie's advantage is iOS requirement (10.0 vs 15.0). On price, 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.

Lib Manuels ships an update every 2 months, Trigonométrie every 4 months. The most recent releases landed on October 18, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | Lib Manuels | Trigonométrie |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 16.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 4 months |
| Monetization | Free | — |
| Size | 63 MB | 24 MB |
| Requires iOS | 15.0 | **10.0** |
| Devices | **iPhone, iPad, iPod** | iPad |
| Age rating | 4+ | 4+ |
| Developer | [édulib](https://appshunter.io/developer/1270160185) | [Christophe Auclair](https://appshunter.io/developer/1333526155) |

## What reviewers say

### Lib Manuels

[App page](https://appshunter.io/ios/app/lib-manuels/id1270160186)

This app is a next-generation reader for digital textbooks from major educational publishers. Optimized for tablet use, it complements web and desktop versions for offline access.

**Highlights:** Digital textbook reader, Optimized for tablets, Complements web and PC/Mac versions, Offline access via desktop apps, Supports multiple educational publishers

**Features:** macOS Compatibility

**In-app purchases:** none


### Trigonométrie

[App page](https://appshunter.io/ios/app/trigonometrie/id1442521895)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Lib Manuels free?

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

### Is Trigonométrie free?

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

### Do Lib Manuels or Trigonométrie have ads?

Neither Lib Manuels nor Trigonométrie shows ads.

### Which is updated more often, Lib Manuels or Trigonométrie?

Lib Manuels ships an update every 2 months, and Trigonométrie every 4 months. Most recently, Lib Manuels was updated on October 18, 2026 and Trigonométrie on October 19, 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.*