# Congres OEC vs CJD Ain

The clearest difference is update cadence: CJD Ain at weekly against Congres OEC's every 8 months. CJD Ain also leads on iOS requirement (13.0 vs 15.5). 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.

Congres OEC ships an update every 8 months, CJD Ain weekly. The most recent releases landed on September 29, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Congres OEC | CJD Ain |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 months | **Weekly** |
| Size | 45 MB | 29 MB |
| Requires iOS | 15.5 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [CONSEIL NATIONAL DE L ORDRE DES EXPERTS-COMPTABLES](https://appshunter.io/developer/888288661) | [Anura](https://appshunter.io/developer/1473119959) |

## What reviewers say

### Congres OEC

[App page](https://appshunter.io/ios/app/congres-oec/id1633211592)

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

**In-app purchases:** none


### CJD Ain

[App page](https://appshunter.io/ios/app/cjd-ain/id1642299037)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Congres OEC free?

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

### Is CJD Ain free?

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

### Do Congres OEC or CJD Ain have ads?

Neither Congres OEC nor CJD Ain shows ads.

### Which is updated more often, Congres OEC or CJD Ain?

Congres OEC ships an update every 8 months, and CJD Ain weekly. Most recently, Congres OEC was updated on September 29, 2026 and CJD Ain 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.*