# PMI Study Hall vs ACP Exam Simulator

The clearest difference is in-app purchases: PMI Study Hall at none against ACP Exam Simulator's 3. ACP Exam Simulator's advantage is iOS requirement (15.6 vs 17.6). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. ACP Exam Simulator sells 3 in-app purchases, starting at $7.99 per month. PMI Study Hall asks for nothing beyond the download.

PMI Study Hall ships an update every 2 months, ACP Exam Simulator every 5 weeks. The most recent releases landed on September 24, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | PMI Study Hall | ACP Exam Simulator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.3 (12 ratings)](https://appshunter.io/ios/app/pmi-study-hall/id1565857249/reviews)** | — |
| Number of ratings | **12** | — |
| Positive reviews | 25.2% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 5 weeks** |
| Monetization | Free | — |
| Size | 183 MB | 92 MB |
| Requires iOS | 17.6 | **15.6** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [PROJECT MANAGEMENT INSTITUTE, INC](https://appshunter.io/developer/562906501) | [Nguyen Duy Khanh](https://appshunter.io/developer/1345775745) |

## What reviewers say

### PMI Study Hall

[App page](https://appshunter.io/ios/app/pmi-study-hall/id1565857249)

This app serves as a supplementary learning tool to help users stay informed, focused, engaged, and motivated on their journey to obtaining the PMP certification. It is designed to support your preparation for the PMP exam.

**Highlights:** PMP certification preparation, Supplementary learning tool, Focus and motivation, Engagement features

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

**In-app purchases:** none

**What reviewers like**

- 📚 Comprehensive study material and practice questions
- ✅ Helpful for passing PMP exam
- 🎮 Variety of learning formats (games, flashcards, practice exams)
- 📱 Convenient mobile access to study content
- 🎯 Questions similar to actual exam

**What reviewers complain about**

- 🔐 Google SSO login completely broken
- ⚠️ Frequent session expiration requiring constant re-login
- 🐌 Extremely slow app performance and loading times
- 🐛 Multiple glitches and unresponsive interface
- 🌐 Mixed Japanese and English content with no language toggle

**Reported bugs**

- Google Sign-In returns Error 403: disallowed_useragent
- App stuck on loading screen indefinitely
- Session expires frequently, requiring re-login each time app opens
- Courses purchased on website don't appear in app
- Touch input selects wrong answer (selecting B registers as A)

**Requested features**

- Fix Google SSO authentication to comply with Google security policies
- Implement persistent login with biometric authentication (FaceID)
- Add language selection/toggle to remove unwanted content
- Allow selective category/section reset instead of full reset
- Improve app responsiveness and loading speed


### ACP Exam Simulator

[App page](https://appshunter.io/ios/app/acp-exam-simulator/id1643914231)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $7.99 | per month |
| Premium Quarterly | $14.99 | per 3 months |
| Premium Yearly | $49.99 | per year |


## Frequently asked questions

### Is PMI Study Hall free?

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

### Is ACP Exam Simulator free?

ACP Exam Simulator is free to download, with in-app purchases available.

### Do PMI Study Hall or ACP Exam Simulator have ads?

Neither PMI Study Hall nor ACP Exam Simulator shows ads.

### Which is updated more often, PMI Study Hall or ACP Exam Simulator?

PMI Study Hall ships an update every 2 months, and ACP Exam Simulator every 5 weeks. Most recently, PMI Study Hall was updated on September 24, 2026 and ACP Exam Simulator on September 9, 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.*