# Solve the Outbreak vs REXX

The clearest difference is review sentiment: Solve the Outbreak at 96% against REXX's 13%. REXX's advantage is update cadence (monthly vs every 5 months) and device support (3 vs 1). 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.

Solve the Outbreak ships an update every 5 months, REXX monthly. The most recent releases landed on October 22, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Solve the Outbreak | REXX |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (61 ratings)](https://appshunter.io/ios/app/solve-the-outbreak/id592485067/reviews)** | — |
| Number of ratings | **61** | — |
| Positive reviews | **95.7% of reviews** | 12.5% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Monthly** |
| Monetization | Free | Free |
| Size | 258 MB | 62 MB |
| Requires iOS | 12.0 | 12 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [Centers For Disease Control and Prevention](https://appshunter.io/developer/439259253) | [VERNITY COMPANY LIMITED](https://appshunter.io/developer/1154404600) |

## What reviewers say

### Solve the Outbreak

[App page](https://appshunter.io/ios/app/solve-the-outbreak/id592485067)

Become a Disease Detective and solve simulated outbreaks by analyzing clues and data. Make critical decisions to contain diseases and save lives, earning badges and climbing ranks. Learn about real-world disease investigation in an engaging, game-like experience.

**Highlights:** Solve simulated outbreaks, Analyze clues and data, Make critical decisions, Earn badges and ranks, Learn about diseases, Challenge friends

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

**In-app purchases:** none

**What reviewers like**

- 🎮 Engaging gamification of learning epidemiology
- 📚 Educational and informative content about diseases
- 🧩 Excellent problem-solving and critical thinking challenges
- 👨‍🏫 Great tool for classroom and educational settings
- 🎯 Realistic case studies based on actual outbreaks

**What reviewers complain about**

- ⏱️ Limited replay value due to memorizable answers
- 📖 Heavy text-based content without visual aids
- 🖥️ Text too small on mobile devices
- 🎮 Linear gameplay with no branching outcomes
- 😴 Can become repetitive after completing cases

**Reported bugs**

- App crashes when attempting to reset scores in settings
- Old scores and progress remain after reset attempt
- Accidental question selection due to bottom screen placement

**Requested features**

- Add more outbreak cases and scenarios
- Create harder difficulty levels for advanced players
- Include visual aids and images for better understanding
- Add background music and sound effects
- Implement branching storylines with different outcomes


### REXX

[App page](https://appshunter.io/ios/app/rexx/id1565089045)

This platform collects and analyzes student learning data, progress, and evaluations for health science training programs. It offers features for inputting learning information, submitting work, and receiving qualitative and quantitative feedback from supervisors.

**Highlights:** Learning record input and progress tracking, Formative feedback provision, Submit work via scanning, Submit work via sending, Qualitative and quantitative evaluation, Data analysis and visualization

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Solve the Outbreak free?

Solve the Outbreak is free to download, with no in-app purchases.

### Is REXX free?

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

### Do Solve the Outbreak or REXX have ads?

Neither Solve the Outbreak nor REXX shows ads.

### Which is updated more often, Solve the Outbreak or REXX?

Solve the Outbreak ships an update every 5 months, and REXX monthly. Most recently, Solve the Outbreak was updated on October 22, 2026 and REXX on October 15, 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.*