# iKnow vs IDCheck

The clearest difference is price: IDCheck at Free against iKnow's $19.99. IDCheck also leads on iOS requirement (16.4 vs 26.0). On update cadence, ads, in-app purchases and device support there is nothing between them.

IDCheck is free to download; iKnow costs $19.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 15, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | iKnow | IDCheck |
| --- | --- | --- |
| Price | $19.99 | **Free** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Size | 7 MB | 210 MB |
| Requires iOS | 26.0 | **16.4** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Joao Fontes](https://appshunter.io/developer/967079310) | [DigitalSign](https://appshunter.io/developer/1499466154) |

## What reviewers say

### iKnow

[App page](https://appshunter.io/ios/app/iknow-it/id967079311)

**In-app purchases:** none


### IDCheck

[App page](https://appshunter.io/ios/app/idcheck/id1523315904)

**In-app purchases:** none


## Frequently asked questions

### Is iKnow free?

iKnow costs $19.99, with no in-app purchases.

### Is IDCheck free?

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

### Do iKnow or IDCheck have ads?

Neither iKnow nor IDCheck shows ads.

### Which is updated more often, iKnow or IDCheck?

iKnow ships an update every 2 months, and IDCheck every 2 months. Most recently, iKnow was updated on October 15, 2026 and IDCheck on October 6, 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.*