Solve the Outbreak vs REXX
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Solve the Outbreak
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.
- Solve simulated outbreaks
- Analyze clues and data
- Make critical decisions
- Earn badges and ranks
- Learn about diseases
- Challenge friends
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Your mission, if you choose to accept, is to get clues and analyze data to solve the outbreak and save lives! In this fun app, you get to be a Disease Detective. Do you quarantine the village? Interview people who are sick? Run more lab tests? The better your answers, the higher your score - and the quicker you’ll climb the ranks to become a decorated Disease Detective. In level 1, you’ll start as a Trainee and earn badges by solving scenarios — with the goal of earning the top rank: Disease Detective. Unlock Level 2 by mastering all the 12 outbreaks of Level 1. Then earn honors by solving new and more challenging scenarios. Earn recognitions like Surveillance and Treatment Honors. New outbreaks happen every day and CDC's Disease Detectives are on the front lines — working 24/7 to save lives and protect people. When a new outbreak occurs, Disease Detectives are sent in to figure out how the outbreak started before it spreads further. In this app, you'll also: • Learn about diseases and outbreaks in an engaging way. • See how CDC's Disease Detectives save lives around the world. • Have the option to post your scores on Facebook or Twitter and challenge your friends to play!
REXX
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.
- 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
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REXX is a “Data Intelligence Platform for Health Science Training Program” which facilitates the data collection of student learning records, progress and evaluation. Also, REXX will analyze and visualize the recorded data to support any data utilization activity along their programs. Main Features on REXX Mobile Application Learning Record: Easily input learning information. Check the progress. Also find the formative feedback. Submit by Scanning: A submit method when the supervision is needed. Submit by Sending: Convenient when delivering work over a long distance. Evaluation: Qualitative and quantitative validation from supervisor.
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | Solve the Outbreak | REXX |
|---|---|---|
| Price | Free | Free |
| Rating | 4.6 (61 ratings) — better | — |
| Positive reviews | 95.7% of reviews — better | 12.5% of reviews |
| Number of ratings | 61 — better | — |
| Update frequency | Every 5 months | Monthly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPad | iPhone, iPad, iPod — better |
| Requires iOS | 12.0 | 12 |
| Further details — not scored | ||
| Size | 258 MB | 62 MB |
| Age rating | 12+ | 4+ |
| Developer | Centers For Disease Control and Prevention | VERNITY COMPANY LIMITED |
Customer experience
Solve the Outbreak
REXX
Bugs and requests
Solve the Outbreak
Reported bugs
3 issues- 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
10 requests- 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
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- Create Level 3 with more complex cases
- Add ability for users to create custom outbreaks
- Improve text size and readability on smaller screens
- Release app on iPhone in addition to iPad
- Include more historical and special plague scenarios
REXX
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Solve the Outbreak
No in-app purchases
REXX
No in-app purchases
Questions
Is Solve the Outbreak free?
Is REXX free?
Do Solve the Outbreak or REXX have ads?
Which is updated more often, Solve the Outbreak or REXX?
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