# AB vs ISACA CISA Exam Prep

AB and ISACA CISA Exam Prep are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. AB sells 4 one-off in-app purchases and ISACA CISA Exam Prep sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Both ship on a similar rhythm, roughly weekly. The most recent releases landed on October 10, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | AB | ISACA CISA Exam Prep |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (2 ratings)](https://appshunter.io/ios/app/ab-900-practice-test/id6761790039/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Weekly | Weekly |
| Monetization | Free with in-app purchases | — |
| Size | 42 MB | 152 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Thomas Baric](https://appshunter.io/developer/1872894014) | [CHOI SEONGMIN](https://appshunter.io/developer/6772332527) |

## What reviewers say

### AB

[App page](https://appshunter.io/ios/app/ab-900-practice-test/id6761790039)

Prepare for the Microsoft 365 Copilot and Agent Administration Fundamentals exam with daily practice questions. Target weak areas, review explanations, and track your progress towards exam readiness with timed sessions.

**Highlights:** Daily practice questions, Targeted domain practice, Review explanations, Track exam readiness, Timed practice sessions, Progress tracking

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| AB-900 Pro | $2.99 | one-time |
| AB-900 Pro | $4.99 | one-time |
| Microsoft Business AI Bundle | $6.99 | one-time |
| Azure AI Bundle | $9.99 | one-time |


### ISACA CISA Exam Prep

[App page](https://appshunter.io/ios/app/isaca-cisa-exam-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 ISACA CISA Exam Prep free?

ISACA CISA Exam Prep is free to download, with in-app purchases available.

### Do AB or ISACA CISA Exam Prep have ads?

Neither AB nor ISACA CISA Exam Prep shows ads.

### Which is updated more often, AB or ISACA CISA Exam Prep?

AB ships an update weekly, and ISACA CISA Exam Prep weekly. Most recently, AB was updated on October 10, 2026 and ISACA CISA Exam Prep on October 12, 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.*