# Lecthème + vs DécoDI

The clearest difference is update cadence: Lecthème + at every 7 months against DécoDI's every 18 months. Lecthème + also leads on device support (3 vs 1). On price, ads, in-app purchases and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Lecthème + ships an update every 7 months, DécoDI every 18 months. The most recent releases landed on September 25, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Lecthème + | DécoDI |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 7 months** | Every 18 months |
| Size | 252 MB | 229 MB |
| Requires iOS | 11.0 | **10.0** |
| Devices | **iPhone, iPad, iPod** | iPad |
| Age rating | 4+ | 4+ |
| Developer | [Éditions JOCATOP](https://appshunter.io/developer/1438112476) | [Haute Ecole Pedagogique du Canton de Vaud](https://appshunter.io/developer/1553457923) |

## What reviewers say

### Lecthème +

[App page](https://appshunter.io/ios/app/lectheme-plus-lecture/id1550080649)

**In-app purchases:** none


### DécoDI

[App page](https://appshunter.io/ios/app/decodi/id1553457921)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Lecthème + free?

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

### Is DécoDI free?

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

### Do Lecthème + or DécoDI have ads?

Neither Lecthème + nor DécoDI shows ads.

### Which is updated more often, Lecthème + or DécoDI?

Lecthème + ships an update every 7 months, and DécoDI every 18 months. Most recently, Lecthème + was updated on September 25, 2026 and DécoDI on October 7, 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.*