Concussion Tracker vs Contagion
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Concussion Tracker
This app facilitates concussion management by connecting athletes, medical teams, and educational institutions. It aids in detection, documentation, and recovery tracking with validated testing tools and educational resources.
- Concussion detection and documentation
- Sideline neurocognitive testing
- Athlete recovery tracking
- Activity restriction guidance
- Medical clearance uploads
- Access to concussion resources
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Complete Concussions uses innovative technology to improve the way concussions are managed. This app provides seamless communication between athletes, sport teams, schools, concussed patients/caregivers, and their local medical team, so everyone is on the same page when concussions occur! The Concussion Tracker provides for better concussion detection, recognition, documentation, management, and compliance with local and federal concussion regulations. As a Coach, Trainer or Teacher you can: - Document and screen for suspected concussions and report them directly into trained concussion clinics. - Conduct sideline concussion testing with validated neurocognitive testing tools. - Track injured athletes recovery progress. - View suggested activity restrictions (ie., sport-specific drill suggestions for recovering athletes). - Upload medical clearance documentation. - Access to concussion resources and educational materials and guidebooks. As an Athlete or Patient: - Conduct regular baseline and post-injury concussion tests. - Review CCMI in-clinic baseline test results. - Find and access the nearest local concussion clinics. - See prescribed rehab exercises and restrictions. - Communicate with your treating clinician (daily symptom inputs and activity documentation). Visit https://completeconcussions.com to see how we can help with your entire concussion program or help you to recover from a concussion injury.
Contagion
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Contagion shows the infectious-disease and environmental conditions around you, framed like a weather app. TRACKED SIGNALS • COVID-19, Influenza A, and RSV — CDC wastewater viral activity, by state • Respiratory pressure — CDC Acute Respiratory Illness activity level • An overall index blending the tracked pathogens • Emerging detections — Mpox, Influenza A(H5), and Measles from CDC wastewater PCR • Notifiable diseases — cumulative cases this year for STDs, parasitic, and other reportable diseases (CDC NNDSS) • Air quality (US AQI) and UV index • Active National Weather Service alerts for your state • Earthquakes near you from the USGS Pick any U.S. state, or use your location. A national map colors every state by the metric you choose. All data comes from free public sources: the U.S. CDC, Open-Meteo, the USGS, and NOAA / the National Weather Service. Contagion is for general awareness and education. It is not a medical device and does not provide diagnosis or personal medical advice. Always consult a qualified clinician or official public-health guidance.
Screenshots
Verdict
The clearest difference is iOS requirement: Concussion Tracker at 15.1 against Contagion's 17.0. On price, ads, in-app purchases and device support 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.
| Parameter | Concussion Tracker | Contagion |
|---|---|---|
| Price | Free | Free |
| Rating | 4.3 (6 ratings) — better | — |
| Positive reviews | 63.6% of reviews | — |
| Number of ratings | 6 — better | — |
| Update frequency | Every 2 months | — |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod — better | iPhone |
| Requires iOS | 15.1 — better | 17.0 |
| Further details — not scored | ||
| Size | 62 MB | 1 MB |
| Age rating | 17+ | 12+ |
| Developer | Complete Concussion Management Inc. | Do Hyung Kim |
In-app purchases
Concussion Tracker
No in-app purchases
Contagion
No in-app purchases






