# ISM CPSM vs PMI Official

The clearest difference is rating: PMI Official at 4.9 against ISM CPSM's 1.9. PMI Official also leads on update cadence (every 6 weeks vs every 30 months) and ratings volume (428 vs 21). ISM CPSM's advantage is iOS requirement (8.2 vs 16.0). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

PMI Official holds the better App Store score, 4.9 against 1.9. That said, the two scores are not equally well evidenced: PMI Official has 428 ratings behind it against 21, so its average is the more settled of the two. Written reviews point the same way: 8% of ISM CPSM's written reviews are positive against 17% of PMI Official's.

ISM CPSM ships an update every 30 months, PMI Official every 6 weeks. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | ISM CPSM | PMI Official |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.9 (21 ratings)](https://appshunter.io/ios/app/ism-cpsm/id1365796549/reviews) | **[4.9 (428 ratings)](https://appshunter.io/ios/app/pmi-official/id6744980359/reviews)** |
| Number of ratings | 21 | **428** |
| Positive reviews | 7.7% of reviews | **16.7% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 30 months | **Every 6 weeks** |
| Monetization | Free | Free |
| Size | 17 MB | 110 MB |
| Requires iOS | **8.2** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Institute For Supply Management Inc.](https://appshunter.io/developer/710782888) | [PROJECT MANAGEMENT INSTITUTE, INC](https://appshunter.io/developer/562906501) |

## What reviewers say

### ISM CPSM

[App page](https://appshunter.io/ios/app/ism-cpsm/id1365796549)

Prepare for CPSM certification exams with a comprehensive digital learning system. Features include diagnostic practice exams, customized study plans, over 700 practice questions, progress tracking, and gamified learning with leaderboards. Access study materials anytime, anywhere.

**Highlights:** Diagnostic practice exams, Customized study plans, Over 700 practice questions, Progress tracking dashboards, Digital flash cards, Knowledge testing games, Study guides and glossary

**Features:** macOS Compatibility

**In-app purchases:** none


### PMI Official

[App page](https://appshunter.io/ios/app/pmi-official/id6744980359)

Manage your professional certification, track and report continuing education units, and access an AI-powered project coach. This app helps you maintain your credentials, find learning opportunities, and get expert guidance for project success.

**Highlights:** Professional certification maintenance, PDU tracking and reporting, AI-powered project coach (PMI Infinity™), Course search and filtering, Renewal reminders, Single PMI login

**In-app purchases:** none


## Frequently asked questions

### Is ISM CPSM free?

ISM CPSM is free to download, with no in-app purchases.

### Is PMI Official free?

PMI Official is free to download, with no in-app purchases.

### Which has better reviews, ISM CPSM or PMI Official?

PMI Official is rated higher. ISM CPSM averages 1.9 out of 5 from 21 ratings, while PMI Official averages 4.9 from 428 ratings.

### Do ISM CPSM or PMI Official have ads?

Neither ISM CPSM nor PMI Official shows ads.

### Which is updated more often, ISM CPSM or PMI Official?

ISM CPSM ships an update every 30 months, and PMI Official every 6 weeks. Most recently, ISM CPSM was updated on October 24, 2026 and PMI Official on October 25, 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.*