# Bilby Exam Prep ITSM 4 Masters vs COBIT Design & Implement Prep

The clearest difference is in-app purchases: COBIT Design & Implement Prep at none against Bilby Exam Prep ITSM 4 Masters's 23. Bilby Exam Prep ITSM 4 Masters's advantage is update cadence (every 9 days vs every 6 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Bilby Exam Prep ITSM 4 Masters sells 23 in-app purchases, starting at $1.49 per 7 days. COBIT Design & Implement Prep asks for nothing beyond the download.

Bilby Exam Prep ITSM 4 Masters ships an update every 9 days, COBIT Design & Implement Prep every 6 weeks. The most recent releases landed on October 7, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | Bilby Exam Prep ITSM 4 Masters | COBIT Design & Implement Prep |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/bilby-exam-prep-itsm-4-masters/id1643121932/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 9 days** | Every 6 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 36 MB | 27 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Alireza Noura](https://appshunter.io/developer/1643121934) | [Davy Raitt](https://appshunter.io/developer/1795318281) |

## What reviewers say

### Bilby Exam Prep ITSM 4 Masters

[App page](https://appshunter.io/ios/app/bilby-exam-prep-itsm-4-masters/id1643121932)

Prepare for IT certification exams with practice tests and study guides. Features a real-time scoring system with detailed explanations and a personal progress tracker to monitor your performance and identify areas for improvement.

**Highlights:** Practice tests for ITIL 4, PMP, AWS, Azure, Security+, Detailed explanations verified by certified instructors, Personal progress tracking system, Real-time scoring and question difficulty analysis, Questions structured by official candidate syllabus, Interactive platform to reduce exam anxiety

**Features:** macOS Compatibility

**In-app purchases (23)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Prince2 Agile Foundation | $1.49 | per 7 days |
| Azure AZ900 Practice Test | $1.99 | per 7 days |
| Microsoft Dynamics 365 MB-910 | $1.99 | per 7 days |
| ITIL4 Foundation Practice Test | $2.99 | per 7 days |
| ITIL4 DITS Practice Test | $3.99 | per 7 days |
| ITIL4 CDS Practice Test | $3.99 | per 7 days |
| ITIL4 DPI Practice Test | $3.99 | per 7 days |
| ITIL4 DSV Practice Test | $3.99 | per 7 days |
| ITIL4 MPT Practice Test | $3.99 | per 7 days |
| ITIL4 (Foundation) Weekly | $3.99 | per 7 days |
| ITIL4 Foundation Practice Test | $5.99 | per month |
| Azure AZ900 Practice Test | $5.99 | per month |
| ITIL4 (DITS) Weekly | $5.99 | per 7 days |
| ITIL4 (DPI) Weekly | $6.99 | per 7 days |
| ITIL4 (DSV) Weekly | $6.99 | per 7 days |
| ITIL4 (CDS) Weekly | $6.99 | per 7 days |
| ITIL4 (HVIT) Weekly | $6.99 | per 7 days |
| ITIL4 (Foundation) Monthly | $12.99 | per month |
| ITIL4 (DITS) Monthly | $19.99 | per month |
| ITIL4 (Foundation) Quarterly | $20.99 | per 3 months |
| SIAM Foundation | $39.99 | per year |
| ITIL4 (DITS) Yearly | $39.99 | per year |
| ITIL4 (DITS) Quarterly | $54.99 | per 3 months |


### COBIT Design & Implement Prep

[App page](https://appshunter.io/ios/app/cobit-design-and-implement-prep/id6757922721)

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

**In-app purchases:** none


## Frequently asked questions

### Is Bilby Exam Prep ITSM 4 Masters free?

Bilby Exam Prep ITSM 4 Masters is free to download, with in-app purchases available.

### Is COBIT Design & Implement Prep free?

COBIT Design & Implement Prep is free to download, with no in-app purchases.

### Do Bilby Exam Prep ITSM 4 Masters or COBIT Design & Implement Prep have ads?

Neither Bilby Exam Prep ITSM 4 Masters nor COBIT Design & Implement Prep shows ads.

### Which is updated more often, Bilby Exam Prep ITSM 4 Masters or COBIT Design & Implement Prep?

Bilby Exam Prep ITSM 4 Masters ships an update every 9 days, and COBIT Design & Implement Prep every 6 weeks. Most recently, Bilby Exam Prep ITSM 4 Masters was updated on October 7, 2026 and COBIT Design & Implement Prep on October 18, 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.*