# ISTQB Study Buddy CTFL vs ISTQB AI Testing Prep

The clearest difference is update cadence: ISTQB Study Buddy CTFL at daily against ISTQB AI Testing Prep's every 2 months. ISTQB Study Buddy CTFL also leads on device support (3 vs 1) and iOS requirement (13.0 vs 17.2). On price, ads and in-app purchases there is nothing between them.

Both are free to download. ISTQB Study Buddy CTFL sells 2 one-off in-app purchases and ISTQB AI Testing Prep sells 2 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

ISTQB Study Buddy CTFL ships an update daily, ISTQB AI Testing Prep every 2 months. Both last shipped on October 27, 2026.

## The numbers

| Metric | ISTQB Study Buddy CTFL | ISTQB AI Testing Prep |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Daily** | Every 2 months |
| Size | 18 MB | 9 MB |
| Requires iOS | **13.0** | 17.2 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Roland Ross Lacdan Hadi](https://appshunter.io/developer/1678311523) | [Cargo Teleport Inc](https://appshunter.io/developer/1761832181) |

## What reviewers say

### ISTQB Study Buddy CTFL

[App page](https://appshunter.io/ios/app/istqb-study-buddy-ctfl/id6446593084)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ISTQB Study Buddy CTFL | $6.99 | one-time |
| Full Version | $6.99 | one-time |


### ISTQB AI Testing Prep

[App page](https://appshunter.io/ios/app/istqb-ai-testing-prep/id6738296453)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium monthly subscription | $9.99 | per month |
| Lifetime version | $19.99 | one-time |


## Frequently asked questions

### Is ISTQB Study Buddy CTFL free?

ISTQB Study Buddy CTFL is free to download, with in-app purchases available.

### Is ISTQB AI Testing Prep free?

ISTQB AI Testing Prep is free to download, with in-app purchases available.

### Do ISTQB Study Buddy CTFL or ISTQB AI Testing Prep have ads?

Neither ISTQB Study Buddy CTFL nor ISTQB AI Testing Prep shows ads.

### Which is updated more often, ISTQB Study Buddy CTFL or ISTQB AI Testing Prep?

ISTQB Study Buddy CTFL ships an update daily, and ISTQB AI Testing Prep every 2 months. Most recently, ISTQB Study Buddy CTFL was updated on October 27, 2026 and ISTQB AI Testing Prep on October 27, 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.*