# Drillster vs PMI Study Hall

The clearest difference is review sentiment: PMI Study Hall at 26% against Drillster's 0%. Drillster's advantage is update cadence (every 2 weeks vs every 2 months) and iOS requirement (15.0 vs 17.6). 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.

Drillster ships an update every 2 weeks, PMI Study Hall every 2 months. The most recent releases landed on November 1, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | Drillster | PMI Study Hall |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.4 (16 ratings)](https://appshunter.io/ios/app/pmi-study-hall/id1565857249/reviews)** |
| Number of ratings | — | **16** |
| Positive reviews | 0.0% of reviews | **25.8% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 2 months |
| Monetization | Free | Free |
| Size | 45 MB | 183 MB |
| Requires iOS | **15.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Drillster BV](https://appshunter.io/developer/429175118) | [PROJECT MANAGEMENT INSTITUTE, INC](https://appshunter.io/developer/562906501) |

## What reviewers say

### Drillster

[App page](https://appshunter.io/ios/app/drillster/id429175115)

This educational app enhances knowledge retention through adaptive learning, microlearning, and instant feedback. It features a new drill player with improved visuals and gamification, helping users track their progress and reach proficiency.

**Highlights:** Adaptive learning methodology, Microlearning approach, Instant feedback after exercises, Progress tracking and proficiency goals, Improved visual display for media, Gamification elements

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

**In-app purchases:** none


### 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


## Frequently asked questions

### Is Drillster free?

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

### Is PMI Study Hall free?

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

### Do Drillster or PMI Study Hall have ads?

Neither Drillster nor PMI Study Hall shows ads.

### Which is updated more often, Drillster or PMI Study Hall?

Drillster ships an update every 2 weeks, and PMI Study Hall every 2 months. Most recently, Drillster was updated on November 1, 2026 and PMI Study Hall on November 7, 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.*