# Action Tracer vs Metric Sprint

The clearest difference is in-app purchases: Action Tracer at none against Metric Sprint's 2. Action Tracer also leads on iOS requirement (15.0 vs 26.1). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Metric Sprint sells 2 in-app purchases, starting at $49.99 per year. Action Tracer asks for nothing beyond the download.

Action Tracer ships an update weekly, Metric Sprint every 9 days. The most recent releases landed on November 3, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Action Tracer | Metric Sprint |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Every 9 days |
| Monetization | — | Freemium |
| Size | 73 MB | 111 MB |
| Requires iOS | **15.0** | 26.1 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | +4 |
| Developer | [学斌 赵](https://appshunter.io/developer/1514555505) | [Core Advantage Pty Ltd](https://appshunter.io/developer/1326735104) |

## What reviewers say

### Action Tracer

[App page](https://appshunter.io/ios/app/action-tracer/id6465174912)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Metric Sprint

[App page](https://appshunter.io/ios/app/metric-sprint-speed-testing/id6789405870)

This app uses your phone's camera to automatically time speed and agility tests without any extra hardware. It provides detailed analytics on velocity, split times, and change-of-direction deficits, allowing athletes and coaches to track progress over time.

**Highlights:** Automatic split timing via computer vision, No external hardware required, Detailed velocity and deficit analysis, Video recording with burned-in splits, Personal bests and progress tracking, Roster management for coaches, Multiple sprint and agility test options

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Sprint Pro Annual | $49.99 | per year |
| Day Pass | $4.99 | one-time |


## Frequently asked questions

### Is Action Tracer free?

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

### Is Metric Sprint free?

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

### Do Action Tracer or Metric Sprint have ads?

Neither Action Tracer nor Metric Sprint shows ads.

### Which is updated more often, Action Tracer or Metric Sprint?

Action Tracer ships an update weekly, and Metric Sprint every 9 days. Most recently, Action Tracer was updated on November 3, 2026 and Metric Sprint on November 5, 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.*