# DevPrep vs HeyKids.ai

The clearest difference is iOS requirement: DevPrep at 13.0 against HeyKids.ai's 15.0. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. DevPrep sells 4 one-off in-app purchases and HeyKids.ai sells 1 in-app purchase, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | DevPrep | HeyKids.ai |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | — | Every 5 days |
| Size | 25 MB | 80 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Shohruxbek Atavullayev](https://appshunter.io/developer/1859528937) | [HEYLABS, INC](https://appshunter.io/developer/6776575127) |

## What reviewers say

### DevPrep

[App page](https://appshunter.io/ios/app/devprep-coding-interview-prep/id6775566429)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Dart | $12.99 | one-time |
| Unlock JavaScript | $12.99 | one-time |
| Unlock Python | $12.99 | one-time |
| Unlock Swift | $12.99 | one-time |


### HeyKids.ai

[App page](https://appshunter.io/ios/app/heykidsai/id6776575125)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| One Month Subscription | $3.99 | per month |


## Frequently asked questions

### Is DevPrep free?

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

### Is HeyKids.ai free?

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

### Do DevPrep or HeyKids.ai have ads?

Neither DevPrep nor HeyKids.ai shows ads.

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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.*