# DevPrep vs BitBit

The clearest difference is update cadence: DevPrep at every 9 days against BitBit's every 3 weeks. DevPrep also leads on device support (4 vs 1). On price, ads, in-app purchases and iOS requirement there is nothing between them.

Both are free to download. DevPrep sells 1 in-app purchase, starting at $2.99 per 6 months and BitBit sells 3 in-app purchases, starting at $2.99 per 7 days. Whichever you choose, the download price is not the number that matters.

DevPrep ships an update every 9 days, BitBit every 3 weeks. The most recent releases landed on September 17, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | DevPrep | BitBit |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 9 days** | Every 3 weeks |
| Size | 28 MB | 5 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Aliaksei Yelin](https://appshunter.io/developer/1502827500) | [Dimitri Giani](https://appshunter.io/developer/288361596) |

## What reviewers say

### DevPrep

[App page](https://appshunter.io/ios/app/devprep-coding-interview/id1527624816)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Get full access | $2.99 | per 6 months |


### BitBit

[App page](https://appshunter.io/ios/app/bitbit-learn-app-development/id6477713212)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weeks Subscription | $2.99 | per 7 days |
| Month Subscription | $4.99 | per month |
| Year Subscription | $11.99 | per year |


## Frequently asked questions

### Is DevPrep free?

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

### Is BitBit free?

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

### Do DevPrep or BitBit have ads?

Neither DevPrep nor BitBit shows ads.

### Which is updated more often, DevPrep or BitBit?

DevPrep ships an update every 9 days, and BitBit every 3 weeks. Most recently, DevPrep was updated on September 17, 2026 and BitBit on September 14, 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.*