# ACT Head Impact Tracker vs CrushLog

The clearest difference is in-app purchases: ACT Head Impact Tracker at none against CrushLog's 1. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. CrushLog sells 1 one-off in-app purchase. ACT Head Impact Tracker asks for nothing beyond the download.

ACT Head Impact Tracker ships an update every 6 months, CrushLog every 3 months. The most recent releases landed on October 7, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | ACT Head Impact Tracker | CrushLog |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/act-head-impact-tracker/id6504392807/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 3 months** |
| Monetization | Free | — |
| Size | 8 MB | 56 MB |
| Requires iOS | **14.0** | 15.5 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Northern Sports Insight and Intelligence Oy](https://appshunter.io/developer/1752073752) | [SaaSForge s.r.o.](https://appshunter.io/developer/1802871863) |

## What reviewers say

### ACT Head Impact Tracker

[App page](https://appshunter.io/ios/app/act-head-impact-tracker/id6504392807)

This app measures and tracks impacts and forces on the head during dry-land sports. It's designed for athletes, coaches, and teams to monitor head events across various levels and age groups.

**Highlights:** Impact and force measurement, Head event tracking, Versatile sports application, Suitable for individual athletes or teams, Supports all ages above 3, Affordable tracking device

**Features:** macOS Compatibility

**In-app purchases:** none


### CrushLog

[App page](https://appshunter.io/ios/app/crushlog/id6743440929)

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Access | $14.99 | one-time |


## Frequently asked questions

### Is ACT Head Impact Tracker free?

ACT Head Impact Tracker is free to download, with no in-app purchases.

### Is CrushLog free?

CrushLog is free to download, with in-app purchases available.

### Do ACT Head Impact Tracker or CrushLog have ads?

Neither ACT Head Impact Tracker nor CrushLog shows ads.

### Which is updated more often, ACT Head Impact Tracker or CrushLog?

ACT Head Impact Tracker ships an update every 6 months, and CrushLog every 3 months. Most recently, ACT Head Impact Tracker was updated on October 7, 2026 and CrushLog on October 3, 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.*