# LN vs Cahier

The clearest difference is price: LN at Free against Cahier's $3.99. LN also leads on iOS requirement (10.0 vs 15.6). Cahier's advantage is update cadence (every 2 months vs every 8 months). On ads, in-app purchases and device support there is nothing between them.

LN is free to download; Cahier costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

LN ships an update every 8 months, Cahier every 2 months. The most recent releases landed on September 8, 2026 and August 22, 2026 respectively.

## The numbers

| Metric | LN | Cahier |
| --- | --- | --- |
| Price | **Free** | $3.99 |
| Positive reviews | — | 37.5% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 2 months** |
| Monetization | — | Paid |
| Size | 832 MB | 8 MB |
| Requires iOS | **10.0** | 15.6 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Éditions JOCATOP](https://appshunter.io/developer/1438112476) | [CROMBEZ Emmanuel](https://appshunter.io/developer/375656695) |

## What reviewers say

### LN

[App page](https://appshunter.io/ios/app/ln-sciences-2/id1465230689)

**Features:** Vision Pro support

**In-app purchases:** none


### Cahier

[App page](https://appshunter.io/ios/app/cahier-journal/id1476948518)

This application helps teachers and professors manage daily class activities. It handles recurring tasks and allows for easy data entry, generating PDF reports and CSV exports for further analysis.

**Highlights:** Manage daily class activities, Handle recurring tasks (daily, weekly, bi-weekly), Simplified data entry, Generate PDF reports (daily, weekly, monthly), Export data to CSV

**In-app purchases:** none


## Frequently asked questions

### Is LN free?

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

### Is Cahier free?

Cahier costs $3.99, with no in-app purchases.

### Do LN or Cahier have ads?

Neither LN nor Cahier shows ads.

### Which is updated more often, LN or Cahier?

LN ships an update every 8 months, and Cahier every 2 months. Most recently, LN was updated on September 8, 2026 and Cahier on August 22, 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.*