# HEADCHECK vs King

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 update cadence (every 2 months vs every 8 months) and ratings volume (9 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.

King holds the better App Store score, 5.0 against 1.7. That said, the two scores are not equally well evidenced: HEADCHECK has 9 ratings behind it against 1, so its average is the more settled of the two.

HEADCHECK ships an update every 2 months, King every 8 months. The most recent releases landed on September 26, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | HEADCHECK | King |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.7 (9 ratings)](https://appshunter.io/ios/app/headcheck-concussion-app/id1049651838/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/king-devick-remote/id1527776359/reviews)** |
| Number of ratings | **9** | 1 |
| Positive reviews | 43.8% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 8 months |
| Monetization | Free | Free |
| Size | 272 MB | 119 MB |
| Requires iOS | 17.6 | **9.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [HeadCheck Health Inc.](https://appshunter.io/developer/1049651837) | [King-Devick Test, LLC](https://appshunter.io/developer/424793545) |

## What reviewers say

### HEADCHECK

[App page](https://appshunter.io/ios/app/headcheck-concussion-app/id1049651838)

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.

**Highlights:** Concussion protocol execution, Incident reporting, Digital SCAT6 assessment, Organization account access, Medical professional tools, Non-medical personnel reporting

**Features:** Vision Pro support

**In-app purchases:** none


### King

[App page](https://appshunter.io/ios/app/king-devick-remote/id1527776359)

This app allows remote administration of the King-Devick Test, a sideline concussion screening tool. It's designed for users with an existing King-Devick account and can be used by parents, coaches, trainers, or medical professionals to help identify concussions or monitor neurodegenerative diseases.

**Highlights:** Remote administration of King-Devick Test, Concussion screening for athletes, Monitoring neurodegenerative diseases, Companion app for existing users, Objective and reliable testing, Digital Health adaptation

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is HEADCHECK free?

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

### Is King free?

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

### Which has better reviews, HEADCHECK or King?

King is rated higher. HEADCHECK averages 1.7 out of 5 from 9 ratings, while King averages 5.0 from 1 ratings.

### Do HEADCHECK or King have ads?

Neither HEADCHECK nor King shows ads.

### Which is updated more often, HEADCHECK or King?

HEADCHECK ships an update every 2 months, and King every 8 months. Most recently, HEADCHECK was updated on September 26, 2026 and King on October 1, 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.*