# CheckChantier vs IZYS

The clearest difference is update cadence: IZYS at fortnightly against CheckChantier's every 6 weeks. 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.

CheckChantier ships an update every 6 weeks, IZYS fortnightly. The most recent releases landed on October 8, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | CheckChantier | IZYS |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Fortnightly** |
| Size | 83 MB | 65 MB |
| Requires iOS | 15.5 | **15.1** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [ORGANIS PROF PREVENTION BTP](https://appshunter.io/developer/953513116) | [CAPTAIN SUBMIT](https://appshunter.io/developer/1774678928) |

## What reviewers say

### CheckChantier

[App page](https://appshunter.io/ios/app/checkchantier/id6443410774)

**In-app purchases:** none


### IZYS

[App page](https://appshunter.io/ios/app/izys/id6740921282)

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


## Frequently asked questions

### Is CheckChantier free?

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

### Is IZYS free?

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

### Do CheckChantier or IZYS have ads?

Neither CheckChantier nor IZYS shows ads.

### Which is updated more often, CheckChantier or IZYS?

CheckChantier ships an update every 6 weeks, and IZYS fortnightly. Most recently, CheckChantier was updated on October 8, 2026 and IZYS on September 26, 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.*