King vs HEADCHECK
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
King
This app provides a quick and objective sideline concussion screening test for athletes. It helps identify potential concussions by assessing eye movements, attention, and concentration through a simple number-reading exercise. Requires an existing King-Devick Online account.
- Objective sideline concussion screening
- Assess eye movements and attention
- Administer baseline and post-injury tests
- Works offline
- Suitable for ages 5+
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This app is intended ONLY for users with an existing King-Devick Online account. The King-Devick Concussion Screening Test is an objective, remove-from-play sideline concussion screening test which can be administered by parents, coaches, athletic trainers or medical professionals in minutes. Peer reviewed published research has shown that the King-Devick Test is an accurate and reliable method to help identify athletes with concussion on the sidelines. It has particular relevance to sports such as football, hockey, soccer, and basketball in addition to all other contact or collision activities on the field or at home. The test involves reading aloud a series of single digit numbers from left to right on three test cards. The King-Devick can detect impairment of eye movements, attention, language, concentration and other areas which correlate with concussion. How does King-Devick Test work? -King-Devick Test account holders get unlimited concussion screening per athlete per year. -With the King-Devick Test App, you can administer baseline and post-injury assessments even when WiFi is not available. -All athletes establish a pre-season or pre-injury baseline test score annually. -Concussion screening for athletes as young as 5 years old.
HEADCHECK
This platform helps organizations manage concussion protocols for athletes. It allows medical personnel to conduct assessments and non-medical staff to report incidents. It includes a digital version of the SCAT6 assessment tool.
- Concussion protocol execution
- Incident reporting
- Digital SCAT6 assessment
- Organization account access
- Medical professional tools
- Non-medical personnel reporting
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Our digital platform to execute and monitor your concussion protocol If you are using HEADCHECK with your organization, you will receive an invitation to download this app and login credentials to access your paid account. ABOUT HEADCHECK HEADCHECK was established in 2013 from a concussion research lab to address the complexity of implementing concussion protocols that typically leaves athletes and organizations vulnerable to risk. Since then, thousands of organizations like MLS, CFL, and USA Cycling have successfully adopted HEADCHECK to the ensure the highest level of concussion management is met TRY THE PLATFORM HEADCHECK enables medical personnel to perform gold-standard concussion management and non-medical personnel to properly recognize and report incidents. Included is the HEADCHECK digital SCAT6® which has been officially approved by the Concussion in Sport Group (CISG). PLEASE REMEMBER: ALL CONCUSSION MANAGEMENT DECISIONS SHOULD BE MADE BY A QUALIFIED MEDICAL PROFESSIONAL. For more information visit www.headcheckhealth.com or contact us at info@headcheckhealth.com
Screenshots
Verdict
The clearest difference is rating: King at 5.0 against HEADCHECK's 1.7. King also leads on iOS requirement (9.0 vs 17.6). HEADCHECK's advantage is ratings volume (9 vs 2). On price, update cadence, ads and in-app purchases 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.
King holds the better App Store score, 5.0 against 1.7. Both are backed by a comparable volume of ratings — 2 and 9 respectively.
Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on September 15, 2026 and September 26, 2026 respectively.
| Parameter | King | HEADCHECK |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) — better | 1.7 (9 ratings) |
| Positive reviews | — | 43.8% of reviews |
| Number of ratings | 2 | 9 — better |
| Update frequency | Every 2 months | Every 2 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPad | iPhone, iPad — better |
| Requires iOS | 9.0 — better | 17.6 |
| Further details — not scored | ||
| Size | 243 MB | 272 MB |
| Age rating | 4+ | 12+ |
| Developer | King-Devick Test, LLC | HeadCheck Health Inc. |
Customer experience
King
HEADCHECK
In-app purchases
King
No in-app purchases
HEADCHECK
No in-app purchases
