King-Devick Test is a concussion screening application for coaches and medical professionals, structured as a mobile portal for institutional health service accounts on iOS.
The App DNA
What makes this app unique?
The app removes the connectivity dependency of sideline concussion screening, allowing for baseline and post-injury assessments in remote field environments where WiFi is unavailable.
For Parents, coaches, athletic trainers, and medical professionals managing concussion screening for athletes aged 5 and older.
Key features
Objective test using single digit number reading to identify impairment of eye movements, attention, and concentration.
Administer baseline and post-injury tests without active WiFi connectivity, ensuring continuity of care in remote environments.
Provides unlimited concussion tests per athlete per year for account holders.
How much does it cost?
The app acts as a mobile client for a B2B subscription service, gating all utility behind an existing enterprise account.
Velocity
Maintenance developmentperformanceShow more...
The app is currently in a maintenance phase, having shipped only one minor update in the last 149 days. This cadence of approximately one release every five months indicates a lack of active development or new feature deployment. The latest release focused exclusively on performance and stability, with no evidence of new content or functional changes. Development momentum is stagnant.
Who built it?
King-Devick Test
3 apps tracked · Health & Fitness
K-D Color Contrast Sensitivity
K-D BalanceUser Sentiment
What do users think recently?
How are ratings & reviews evolving?
Not enough recent reviews to extract reliable themes yet.
Read the full review analysisCompetition
Competitive landscape for King-Devick Test
How's the Health & Fitness market?
King-Devick Test maintains a specialized position in the Health & Fitness category, serving as a B2B-linked utility with a 5.0-star rating. The app has not received a major feature update in over 149 days, signaling a maintenance-mode posture.
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Key takeaways for King-Devick Test
Where is it heading?
The market for digital concussion screening is consolidating around institutional partnerships that offer longitudinal baseline tracking. King-Devick Test is advantaged by its existing B2B contract structure, but the lack of recent feature investment leaves it exposed to competitors that might offer more integrated, faster screening workflows.
- The app remains in a maintenance-only release cadence, which prioritizes protocol stability over new feature expansion for institutional clients.
- The offline-first assessment capability continues to serve the core sideline use case, ensuring the app remains functional in remote field environments.
The SWOT
- Offline-first assessment architecture ensures continuity of care in remote field environments
- Institutional B2B portal structure creates high switching costs for existing health service contracts
- Expansion into non-contact sports or school-based wellness programs increases annual baseline test volume
Next best moves
Audit offline sync logic because the app relies on field-based utility → maintain assessment reliability
The counter-intuitive read
The maintenance-mode status is a feature, not a bug…
Read the full takeBottom line
King-Devick Test secures its position through institutional B2B lock-in, but the lack of feature expansion risks stagnation against more agile digital health entrants.
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- [1] App Store, source
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