# Cloud Cert Engineer Prep PRO vs ISTQB Study Buddy CTFL

The clearest difference is price: ISTQB Study Buddy CTFL at Free against Cloud Cert Engineer Prep PRO's $9.99. ISTQB Study Buddy CTFL also leads on update cadence (daily vs every 2 weeks) and iOS requirement (13.0 vs 16.0). Cloud Cert Engineer Prep PRO's advantage is in-app purchases (none vs 2). On ads and device support there is nothing between them.

ISTQB Study Buddy CTFL is free to download; Cloud Cert Engineer Prep PRO costs $9.99 up front. ISTQB Study Buddy CTFL sells 2 one-off in-app purchases. Cloud Cert Engineer Prep PRO asks for nothing beyond the download.

Cloud Cert Engineer Prep PRO ships an update every 2 weeks, ISTQB Study Buddy CTFL daily. Both last shipped on November 3, 2026.

## The numbers

| Metric | Cloud Cert Engineer Prep PRO | ISTQB Study Buddy CTFL |
| --- | --- | --- |
| Price | $9.99 | **Free** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Daily** |
| Size | 1 MB | 18 MB |
| Requires iOS | 16.0 | **13.0** |
| Devices | iPhone, iPad, Mac | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [DjamgaTech Corp](https://appshunter.io/developer/969000181) | [Roland Ross Lacdan Hadi](https://appshunter.io/developer/1678311523) |

## What reviewers say

### Cloud Cert Engineer Prep PRO

[App page](https://appshunter.io/ios/app/cloud-cert-engineer-prep-pro/id1574395172)

**Features:** Vision Pro support

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is Cloud Cert Engineer Prep PRO free?

Cloud Cert Engineer Prep PRO costs $9.99, with no in-app purchases.

### Is ISTQB Study Buddy CTFL free?

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

### Do Cloud Cert Engineer Prep PRO or ISTQB Study Buddy CTFL have ads?

Neither Cloud Cert Engineer Prep PRO nor ISTQB Study Buddy CTFL shows ads.

### Which is updated more often, Cloud Cert Engineer Prep PRO or ISTQB Study Buddy CTFL?

Cloud Cert Engineer Prep PRO ships an update every 2 weeks, and ISTQB Study Buddy CTFL daily. Most recently, Cloud Cert Engineer Prep PRO was updated on November 3, 2026 and ISTQB Study Buddy CTFL on November 3, 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.*