# AB vs AB

The clearest difference is in-app purchases: AB at none against AB's 1. AB also leads on iOS requirement (15.0 vs 18.6). AB's advantage is update cadence (every 9 days vs every 3 months). On price, ads and device support there is nothing between them.

Both are free to download. AB sells 1 one-off in-app purchase. AB asks for nothing beyond the download.

AB ships an update every 3 months, AB every 9 days. The most recent releases landed on October 15, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | AB | AB |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 9 days** |
| Size | 27 MB | 12 MB |
| Requires iOS | **15.0** | 18.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Davy Raitt](https://appshunter.io/developer/1795318281) | [Nichful](https://appshunter.io/developer/1871193294) |

## What reviewers say

### AB

[App page](https://appshunter.io/ios/app/ab-900-copilot-admin-exam-prep/id6760454345)

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

**In-app purchases:** none


### AB

[App page](https://appshunter.io/ios/app/ab-900-prep-m365-admin/id6776277539)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock All Questions | $12.99 | one-time |


## Frequently asked questions

### Is AB free?

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

### Is AB free?

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

### Do AB or AB have ads?

Neither AB nor AB shows ads.

### Which is updated more often, AB or AB?

AB ships an update every 3 months, and AB every 9 days. Most recently, AB was updated on October 15, 2026 and AB on October 13, 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.*