# PSM I vs CTIA Threat Intelligence Prep

The clearest difference is in-app purchases: CTIA Threat Intelligence Prep at none against PSM I's 2. CTIA Threat Intelligence Prep also leads on iOS requirement (15.0 vs 26.0). PSM I's advantage is update cadence (every 6 weeks vs every 4 months). On price, ads and device support there is nothing between them.

Both are free to download. PSM I sells 2 one-off in-app purchases. CTIA Threat Intelligence Prep asks for nothing beyond the download.

PSM I ships an update every 6 weeks, CTIA Threat Intelligence Prep every 4 months. The most recent releases landed on October 20, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | PSM I | CTIA Threat Intelligence Prep |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 4 months |
| Monetization | Free with in-app purchases | — |
| Size | 31 MB | 26 MB |
| Requires iOS | 26.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Konstantin Skoblik](https://appshunter.io/developer/950788892) | [Davy Raitt](https://appshunter.io/developer/1795318281) |

## 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, Vision Pro support

**In-app purchases (2)**

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


### CTIA Threat Intelligence Prep

[App page](https://appshunter.io/ios/app/ctia-threat-intelligence-prep/id6758308548)

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

**In-app purchases:** none


## Frequently asked questions

### Is PSM I free?

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

### Is CTIA Threat Intelligence Prep free?

CTIA Threat Intelligence Prep is free to download, with no in-app purchases.

### Do PSM I or CTIA Threat Intelligence Prep have ads?

Neither PSM I nor CTIA Threat Intelligence Prep shows ads.

### Which is updated more often, PSM I or CTIA Threat Intelligence Prep?

PSM I ships an update every 6 weeks, and CTIA Threat Intelligence Prep every 4 months. Most recently, PSM I was updated on October 20, 2026 and CTIA Threat Intelligence Prep on October 19, 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.*