# IKnow vs Kidoi

The clearest difference is iOS requirement: IKnow at 15.6 against Kidoi's 17.6. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. IKnow sells 3 in-app purchases, starting at $19.99 per 3 months and Kidoi sells 2 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

IKnow ships an update every 9 days, Kidoi fortnightly. The most recent releases landed on September 18, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | IKnow | Kidoi |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 9 days** | Fortnightly |
| Size | 54 MB | 155 MB |
| Requires iOS | **15.6** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [COMPANY MES-E ZARAVA FOR ENTERTAINMENT](https://appshunter.io/developer/1816585759) | [MUSTAFA BATIN EFE](https://appshunter.io/developer/1820231555) |

## What reviewers say

### IKnow

[App page](https://appshunter.io/ios/app/iknow/id6746387313)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Basic Plan | $19.99 | per 3 months |
| Standard Plan | $34.99 | per 3 months |
| Premium Plan | $49.99 | per 3 months |


### Kidoi

[App page](https://appshunter.io/ios/app/kidoi-ai-object-identifier/id6747200408)

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $0.99 | per month |
| Premium Yearly | $9.99 | per year |


## Frequently asked questions

### Is IKnow free?

IKnow is free to download, with in-app purchases available.

### Is Kidoi free?

Kidoi is free to download, with in-app purchases available.

### Do IKnow or Kidoi have ads?

Neither IKnow nor Kidoi shows ads.

### Which is updated more often, IKnow or Kidoi?

IKnow ships an update every 9 days, and Kidoi fortnightly. Most recently, IKnow was updated on September 18, 2026 and Kidoi on September 9, 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.*