# PSM I vs Cert Scrum Master Exam Prep

The clearest difference is update cadence: PSM I at every 6 weeks against Cert Scrum Master Exam Prep's every 5 months. Cert Scrum Master Exam Prep's advantage is iOS requirement (15.1 vs 18.6). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. PSM I sells 2 one-off in-app purchases and Cert Scrum Master Exam Prep sells 9 in-app purchases, starting at $8.99 per 7 days. Whichever you choose, the download price is not the number that matters.

PSM I ships an update every 6 weeks, Cert Scrum Master Exam Prep every 5 months. The most recent releases landed on June 11, 2026 and August 17, 2026 respectively.

## The numbers

| Metric | PSM I | Cert Scrum Master Exam Prep |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (5 ratings)](https://appshunter.io/ios/app/cert-scrum-master-exam-prep/id6497068035/reviews)** |
| Number of ratings | — | **5** |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 5 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 31 MB | 55 MB |
| Requires iOS | 18.6 | **15.1** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Konstantin Skoblik](https://appshunter.io/developer/950788892) | [Exam Prep OU](https://appshunter.io/developer/1689642184) |

## What reviewers say

### PSM I

[App page](https://appshunter.io/ios/app/psm-i/id1566830360)

Prepare for your Professional Scrum Master 1 (PSM 1) certification with a comprehensive study tool. It offers realistic exam practice with randomized questions, a large question bank, and the official Scrum Guide. Achieve certification success efficiently and affordably.

**Highlights:** Randomized practice tests, Extensive question bank, Integrated Scrum Guide, Affordable pricing options, Focus on exam results

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| One Time Access | $0.99 | one-time |
| Unlock PRO Mode | $3.99 | one-time |


### Cert Scrum Master Exam Prep

[App page](https://appshunter.io/ios/app/cert-scrum-master-exam-prep/id6497068035)

Prepare for your Certified Scrum Master exam with a comprehensive suite of study tools. Access an extensive question bank, detailed explanations, and progress tracking to master Scrum concepts and achieve certification with confidence.

**Highlights:** Up-to-date practice tests, Extensive question bank, Detailed explanations for answers, Progress tracking, Customizable study plans, Simulated exam mode

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

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CSM Weekly Full Access | $8.99 | per 7 days |
| CSM Monthly Full Access | $24.99 | per month |
| CSM Monthly Full Access | $27.99 | per month |
| CSM Quarterly Full Access | $55.99 | per 3 months |
| CSM Quarterly Full Access | $59.99 | per 3 months |
| CSM Semiannual Full Access | $75.99 | per 6 months |
| CSM Semiannual Full Access | $79.99 | per 6 months |
| CSM Annual Full Access | $109.99 | per year |
| CSM Annual Full Access | $119.99 | per year |


## Frequently asked questions

### Is PSM I free?

PSM I is free to download, with in-app purchases available.

### Is Cert Scrum Master Exam Prep free?

Cert Scrum Master Exam Prep is free to download, with in-app purchases available.

### Do PSM I or Cert Scrum Master Exam Prep have ads?

Neither PSM I nor Cert Scrum Master Exam Prep shows ads.

### Which is updated more often, PSM I or Cert Scrum Master Exam Prep?

PSM I ships an update every 6 weeks, and Cert Scrum Master Exam Prep every 5 months. Most recently, PSM I was updated on June 11, 2026 and Cert Scrum Master Exam Prep on August 17, 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.*