# ATA Carnet vs JGC One2One

The clearest difference is update cadence: ATA Carnet at monthly against JGC One2One's every 11 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.

ATA Carnet ships an update monthly, JGC One2One every 11 months. Both last shipped on October 24, 2026.

## The numbers

| Metric | ATA Carnet | JGC One2One |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 11 months |
| Size | 79 MB | 48 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [CHAMBRE DE COMMERCE INTERNATIONALE](https://appshunter.io/developer/1459258242) | [TECHSIMBA PRIVATE LIMITED](https://appshunter.io/developer/1718221507) |

## What reviewers say

### ATA Carnet

[App page](https://appshunter.io/ios/app/ata-carnet/id1470367115)

**Features:** Vision Pro support

**In-app purchases:** none


### JGC One2One

[App page](https://appshunter.io/ios/app/jgc-one2one/id6502451830)

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

**In-app purchases:** none


## Frequently asked questions

### Is ATA Carnet free?

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

### Is JGC One2One free?

JGC One2One is free to download, with no in-app purchases.

### Do ATA Carnet or JGC One2One have ads?

Neither ATA Carnet nor JGC One2One shows ads.

### Which is updated more often, ATA Carnet or JGC One2One?

ATA Carnet ships an update monthly, and JGC One2One every 11 months. Most recently, ATA Carnet was updated on October 24, 2026 and JGC One2One on October 24, 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.*