# Classifindex vs Keep Control

The clearest difference is update cadence: Keep Control at fortnightly against Classifindex's every 19 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.

Classifindex ships an update every 19 months, Keep Control fortnightly. The most recent releases landed on September 17, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | Classifindex | Keep Control |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 19 months | **Fortnightly** |
| Size | 68 MB | 108 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [CNRS Prévention du risque chimique](https://appshunter.io/developer/892400333) | [Smart Digital Services](https://appshunter.io/developer/1723152648) |

## What reviewers say

### Classifindex

[App page](https://appshunter.io/ios/app/classifindex/id892400330)

**Features:** macOS Compatibility

**In-app purchases:** none


### Keep Control

[App page](https://appshunter.io/ios/app/keep-control/id6475165654)

**In-app purchases:** none


## Frequently asked questions

### Is Classifindex free?

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

### Is Keep Control free?

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

### Do Classifindex or Keep Control have ads?

Neither Classifindex nor Keep Control shows ads.

### Which is updated more often, Classifindex or Keep Control?

Classifindex ships an update every 19 months, and Keep Control fortnightly. Most recently, Classifindex was updated on September 17, 2026 and Keep Control on September 8, 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.*