# ISTQB Study Buddy CTFL vs Project Management Study Guide

The clearest difference is update cadence: ISTQB Study Buddy CTFL at daily against Project Management Study Guide's every 3 months. ISTQB Study Buddy CTFL also leads on iOS requirement (13.0 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. ISTQB Study Buddy CTFL sells 2 one-off in-app purchases and Project Management Study Guide sells 3 in-app purchases, starting at $6.99 per 7 days. Whichever you choose, the download price is not the number that matters.

ISTQB Study Buddy CTFL ships an update daily, Project Management Study Guide every 3 months. The most recent releases landed on November 3, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | ISTQB Study Buddy CTFL | Project Management Study Guide |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Daily** | Every 3 months |
| Size | 18 MB | 26 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Roland Ross Lacdan Hadi](https://appshunter.io/developer/1678311523) | [fly sky pty ltd](https://appshunter.io/developer/1838696534) |

## 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 |


### Project Management Study Guide

[App page](https://appshunter.io/ios/app/project-management-study-guide/id6782511847)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Project Management Study  Full | $6.99 | per 7 days |
| Project Management Study  Full | $16.99 | per month |
| Project Management Study  Full | $69.99 | 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 Project Management Study Guide free?

Project Management Study Guide is free to download, with in-app purchases available.

### Do ISTQB Study Buddy CTFL or Project Management Study Guide have ads?

Neither ISTQB Study Buddy CTFL nor Project Management Study Guide shows ads.

### Which is updated more often, ISTQB Study Buddy CTFL or Project Management Study Guide?

ISTQB Study Buddy CTFL ships an update daily, and Project Management Study Guide every 3 months. Most recently, ISTQB Study Buddy CTFL was updated on November 3, 2026 and Project Management Study Guide 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.*