# HELIOS Mobile vs Carnet 4

The clearest difference is update cadence: Carnet 4 at monthly against HELIOS Mobile's every 2 months. HELIOS Mobile's advantage is iOS requirement (13.0 vs 15.1). 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.

HELIOS Mobile ships an update every 2 months, Carnet 4 monthly. The most recent releases landed on September 14, 2026 and September 11, 2026 respectively.

## The numbers

| Metric | HELIOS Mobile | Carnet 4 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Monthly** |
| Size | 24 MB | 43 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ALDOR s.r.o.](https://appshunter.io/developer/977921801) | [FleetCor Deutschland GmbH](https://appshunter.io/developer/1090470381) |

## What reviewers say

### HELIOS Mobile

[App page](https://appshunter.io/ios/app/helios-mobile/id977921802)

**Features:** macOS Compatibility

**In-app purchases:** none


### Carnet 4

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

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

**In-app purchases:** none


## Frequently asked questions

### Is HELIOS Mobile free?

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

### Is Carnet 4 free?

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

### Do HELIOS Mobile or Carnet 4 have ads?

Neither HELIOS Mobile nor Carnet 4 shows ads.

### Which is updated more often, HELIOS Mobile or Carnet 4?

HELIOS Mobile ships an update every 2 months, and Carnet 4 monthly. Most recently, HELIOS Mobile was updated on September 14, 2026 and Carnet 4 on September 11, 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.*