# AB vs IT/AI Audit·COBIT2019 Prep

The clearest difference is iOS requirement: IT/AI Audit·COBIT2019 Prep at 15.1 against AB's 18.6. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. AB sells 1 one-off in-app purchase and IT/AI Audit·COBIT2019 Prep sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

AB ships an update every 9 days, IT/AI Audit·COBIT2019 Prep every 5 days. The most recent releases landed on October 25, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | AB | IT/AI Audit·COBIT2019 Prep |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 9 days | **Every 5 days** |
| Size | 12 MB | 325 MB |
| Requires iOS | 18.6 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Nichful](https://appshunter.io/developer/1871193294) | [CHOI SEONGMIN](https://appshunter.io/developer/6772332527) |

## What reviewers say

### 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 |


### IT/AI Audit·COBIT2019 Prep

[App page](https://appshunter.io/ios/app/itai-auditcobit2019-prep/id6785109686)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime Access | $4.99 | one-time |


## Frequently asked questions

### Is AB free?

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

### Is IT/AI Audit·COBIT2019 Prep free?

IT/AI Audit·COBIT2019 Prep is free to download, with in-app purchases available.

### Do AB or IT/AI Audit·COBIT2019 Prep have ads?

Neither AB nor IT/AI Audit·COBIT2019 Prep shows ads.

### Which is updated more often, AB or IT/AI Audit·COBIT2019 Prep?

AB ships an update every 9 days, and IT/AI Audit·COBIT2019 Prep every 5 days. Most recently, AB was updated on October 25, 2026 and IT/AI Audit·COBIT2019 Prep on November 5, 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.*