# LN vs PRODIJ’

The clearest difference is iOS requirement: LN at 8.0 against PRODIJ’'s 13.0. On price, update cadence, 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.

LN ships an update every 7 months, PRODIJ’ every 12 months. The most recent releases landed on October 6, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | LN | PRODIJ’ |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 7 months** | Every 12 months |
| Size | 579 MB | 26 MB |
| Requires iOS | **8.0** | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Éditions JOCATOP](https://appshunter.io/developer/1438112476) | [CAVILAM - Alliance française](https://appshunter.io/developer/1018950242) |

## What reviewers say

### LN

[App page](https://appshunter.io/ios/app/ln-sciences-1/id1465230431)

**In-app purchases:** none


### PRODIJ’

[App page](https://appshunter.io/ios/app/prodij/id6449188234)

**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 PRODIJ’ free?

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

### Do LN or PRODIJ’ have ads?

Neither LN nor PRODIJ’ shows ads.

### Which is updated more often, LN or PRODIJ’?

LN ships an update every 7 months, and PRODIJ’ every 12 months. Most recently, LN was updated on October 6, 2026 and PRODIJ’ on October 9, 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.*