# LN vs Grammatis

The clearest difference is update cadence: Grammatis at every 4 months against LN's every 8 months. LN's advantage is iOS requirement (10.0 vs 15.0). 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.

LN ships an update every 8 months, Grammatis every 4 months. The most recent releases landed on September 8, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | LN | Grammatis |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 4 months** |
| Size | 832 MB | 15 MB |
| Requires iOS | **10.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Éditions JOCATOP](https://appshunter.io/developer/1438112476) | [Christophe Auclair](https://appshunter.io/developer/1333526155) |

## What reviewers say

### LN

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

**Features:** Vision Pro support

**In-app purchases:** none


### Grammatis

[App page](https://appshunter.io/ios/app/grammatis/id6769785196)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is LN free?

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

### Is Grammatis free?

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

### Do LN or Grammatis have ads?

Neither LN nor Grammatis shows ads.

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

LN ships an update every 8 months, and Grammatis every 4 months. Most recently, LN was updated on September 8, 2026 and Grammatis on September 15, 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.*