# PROPRE ET NET IDF vs Ryotei

The clearest difference is update cadence: Ryotei at every 10 days against PROPRE ET NET IDF's every 29 months. PROPRE ET NET IDF's advantage is iOS requirement (13.4 vs 16.4). 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.

PROPRE ET NET IDF ships an update every 29 months, Ryotei every 10 days. Both last shipped on November 4, 2026.

## The numbers

| Metric | PROPRE ET NET IDF | Ryotei |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 29 months | **Every 10 days** |
| Size | 89 MB | 77 MB |
| Requires iOS | **13.4** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Mon Appli VTC](https://appshunter.io/developer/1437377960) | [RYOTEI SERVICE EUROPE](https://appshunter.io/developer/1780523536) |

## What reviewers say

### PROPRE ET NET IDF

[App page](https://appshunter.io/ios/app/propre-et-net-idf/id6479994678)

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

**In-app purchases:** none


### Ryotei

[App page](https://appshunter.io/ios/app/ryotei/id6738384586)

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

**In-app purchases:** none


## Frequently asked questions

### Is PROPRE ET NET IDF free?

PROPRE ET NET IDF is free to download, with no in-app purchases.

### Is Ryotei free?

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

### Do PROPRE ET NET IDF or Ryotei have ads?

Neither PROPRE ET NET IDF nor Ryotei shows ads.

### Which is updated more often, PROPRE ET NET IDF or Ryotei?

PROPRE ET NET IDF ships an update every 29 months, and Ryotei every 10 days. Most recently, PROPRE ET NET IDF was updated on November 4, 2026 and Ryotei on November 4, 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.*