# DiagnosUs vs R. EEG Technologist Exam Prep

The clearest difference is in-app purchases: DiagnosUs at none against R. EEG Technologist Exam Prep's 5. DiagnosUs also leads on update cadence (fortnightly vs every 7 months) and ratings volume (1K vs 20). On price, rating, ads and monetization model there is nothing between them.

Both are free to download. R. EEG Technologist Exam Prep sells 5 in-app purchases, starting at $19.99 per 7 days. DiagnosUs asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.8 for DiagnosUs against 4.8 for R. EEG Technologist Exam Prep. That said, the two scores are not equally well evidenced: DiagnosUs has 1K ratings behind it against 20, so its average is the more settled of the two.

DiagnosUs ships an update fortnightly, R. EEG Technologist Exam Prep every 7 months. The most recent releases landed on November 2, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | DiagnosUs | R. EEG Technologist Exam Prep |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (1K ratings)](https://appshunter.io/ios/app/diagnosus/id1369759559/reviews) | **[4.8 (20 ratings)](https://appshunter.io/ios/app/r-eeg-technologist-exam-prep/id6752019578/reviews)** |
| Number of ratings | **1K** | 20 |
| Positive reviews | 79.4% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 7 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 42 MB | 57 MB |
| Requires iOS | 16.0 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 17+ | 12+ |
| Developer | [Centaur Labs](https://appshunter.io/developer/1369759558) | [Exam Prep OU](https://appshunter.io/developer/1689642184) |

## What reviewers say

### DiagnosUs

[App page](https://appshunter.io/ios/app/diagnosus/id1369759559)

Engage with real medical cases to enhance your diagnostic skills and earn rewards. This educational game is designed for students and professionals to test their knowledge across various specialties and contribute to AI research.

**Highlights:** Analyze diverse medical cases, Improve diagnostic skills, Earn rewards for participation, Contribute to AI research, Study for medical exams, Regularly updated datasets

**In-app purchases:** none

**What reviewers like**

- 💰 Earn money while learning
- 🧠 Helpful for medical students and professionals
- 🤓 Interesting and educational content
- 👍 Fun and engaging app
- 🤝 Responsive and helpful support team

**What reviewers complain about**

- 🐛 Bugs and technical issues (crashes, freezes, slow loading)
- ⏱️ Time-consuming to compete and earn rewards
- 🤖 Inconsistent or inaccurate AI-graded answers
- 🤑 Difficult to earn significant amounts of money
- 🔒 Withdrawal issues for some countries

**Reported bugs**

- App crashes and freezes
- Inaccurate or inconsistent grading of answers
- Withdrawal and payment issues for some users
- Compatibility problems with certain devices and OS versions

**Requested features**

- More diverse medical topics and case studies
- Separate competitions for students vs. professionals
- Ability to discuss and provide feedback on cases
- Improved instructions and explanations
- Compatibility with older devices and iOS versions


### R. EEG Technologist Exam Prep

[App page](https://appshunter.io/ios/app/r-eeg-technologist-exam-prep/id6752019578)

Prepare for the Registered Electroencephalographic Technologist (REEGT) exam with up-to-date content, an extensive question bank, and detailed explanations. Track your progress, customize study plans, and take simulated exams to build confidence for certification.

**Highlights:** Up-to-date content aligned with exam standards, Extensive question bank with exam-style questions, Detailed explanations for each question, Progress tracking to identify strengths and weaknesses, Customizable study plans, Simulated exam mode with timed practice tests

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| EEG Tech Weekly Full Access | $19.99 | per 7 days |
| EEG Tech Monthly Full Access | $39.99 | per month |
| EEGTech Monthly Full Access | $39.99 | per month |
| EEGTech Quarterly Full Access | $89.99 | per 3 months |
| EEGTech Quarterly Full Access | $89.99 | per 3 months |


## Frequently asked questions

### Is DiagnosUs free?

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

### Is R. EEG Technologist Exam Prep free?

R. EEG Technologist Exam Prep is free to download, with in-app purchases available.

### Which has better reviews, DiagnosUs or R. EEG Technologist Exam Prep?

R. EEG Technologist Exam Prep is rated higher. DiagnosUs averages 4.8 out of 5 from 1K ratings, while R. EEG Technologist Exam Prep averages 4.8 from 20 ratings.

### Do DiagnosUs or R. EEG Technologist Exam Prep have ads?

Neither DiagnosUs nor R. EEG Technologist Exam Prep shows ads.

### Which is updated more often, DiagnosUs or R. EEG Technologist Exam Prep?

DiagnosUs ships an update fortnightly, and R. EEG Technologist Exam Prep every 7 months. Most recently, DiagnosUs was updated on November 2, 2026 and R. EEG Technologist Exam Prep on November 5, 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.*