# I Know Me vs Open

The clearest difference is iOS requirement: I Know Me at 12.0 against Open's 15.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

I Know Me ships an update fortnightly, Open every 2 weeks. The most recent releases landed on October 5, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | I Know Me | Open |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 2 weeks |
| Size | 55 MB | 30 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Educate4Health Limited](https://appshunter.io/developer/1390960680) | [Elaros](https://appshunter.io/developer/1544802505) |

## What reviewers say

### I Know Me

[App page](https://appshunter.io/ios/app/i-know-me/id1627670767)

**Features:** macOS Compatibility

**In-app purchases:** none


### Open

[App page](https://appshunter.io/ios/app/open-oh/id6502186049)

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

**In-app purchases:** none


## Frequently asked questions

### Is I Know Me free?

I Know Me is free to download, with no in-app purchases.

### Is Open free?

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

### Do I Know Me or Open have ads?

Neither I Know Me nor Open shows ads.

### Which is updated more often, I Know Me or Open?

I Know Me ships an update fortnightly, and Open every 2 weeks. Most recently, I Know Me was updated on October 5, 2026 and Open on October 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.*