# Carnet 4 vs RON Client plus

The clearest difference is update cadence: Carnet 4 at monthly against RON Client plus's every 2 months. 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.

Carnet 4 ships an update monthly, RON Client plus every 2 months. Both last shipped on September 30, 2026.

## The numbers

| Metric | Carnet 4 | RON Client plus |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 2 months |
| Size | 43 MB | 22 MB |
| Requires iOS | 15.1 | **14.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [FleetCor Deutschland GmbH](https://appshunter.io/developer/1090470381) | [RON Software, spol. s r.o.](https://appshunter.io/developer/1558141078) |

## What reviewers say

### Carnet 4

[App page](https://appshunter.io/ios/app/carnet-4/id1584794808)

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

**In-app purchases:** none


### RON Client plus

[App page](https://appshunter.io/ios/app/ron-client-plus/id6449350582)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Carnet 4 free?

Carnet 4 is free to download, with no in-app purchases.

### Is RON Client plus free?

RON Client plus is free to download, with no in-app purchases.

### Do Carnet 4 or RON Client plus have ads?

Neither Carnet 4 nor RON Client plus shows ads.

### Which is updated more often, Carnet 4 or RON Client plus?

Carnet 4 ships an update monthly, and RON Client plus every 2 months. Most recently, Carnet 4 was updated on September 30, 2026 and RON Client plus on September 30, 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.*