# 4k Weeks vs Explosive Sprint Timer

The clearest difference is price: Explosive Sprint Timer at Free against 4k Weeks's $1.99. Explosive Sprint Timer also leads on iOS requirement (13.0 vs 18.4). 4k Weeks's advantage is in-app purchases (none vs 11). On ads and device support there is nothing between them.

Explosive Sprint Timer is free to download; 4k Weeks costs $1.99 up front. Explosive Sprint Timer sells 11 in-app purchases, starting at $3.99 per 7 days. 4k Weeks asks for nothing beyond the download.

## The numbers

| Metric | 4k Weeks | Explosive Sprint Timer |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | — | **[1.0 (1 ratings)](https://appshunter.io/ios/app/explosive-sprint-timer/id6757598032/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Every 2 weeks |
| Monetization | — | Subscription |
| Size | 9 MB | 99 MB |
| Requires iOS | 18.4 | **13.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ALBERT DONAIRE ESCRIGAS](https://appshunter.io/developer/1805379390) | [Explosive AS](https://appshunter.io/developer/1867746356) |

## What reviewers say

### 4k Weeks

[App page](https://appshunter.io/ios/app/4k-weeks/id6744328745)

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

**In-app purchases:** none


### Explosive Sprint Timer

[App page](https://appshunter.io/ios/app/explosive-sprint-timer/id6757598032)

This app provides frame-accurate sprint timing directly from video, eliminating the need for stopwatches. Analyze performance with professional timer overlays and benchmark results against other athletes worldwide. It's designed for serious performance testing across various sports.

**Highlights:** Frame-accurate sprint timing, Professional timer overlay export, On-device video processing, Benchmark against global athletes, Track speed improvements, Supports various sprint and shuttle drills

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

**In-app purchases (11)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Plan | $3.99 | per 7 days |
| Try Free • Weekly | $3.99 | per 7 days |
| Try Free • Weekly | $3.99 | per 7 days |
| Try Free • Weekly | $3.99 | per 7 days |
| Try Free • Monthly | $8.99 | per month |
| Try Free • Monthly | $8.99 | per month |
| Try Free • Monthly | $8.99 | per month |
| Try Free • Annual | $44.99 | per year |
| Annual Plan | $49.99 | per year |
| Try Free • Annual | $49.99 | per year |
| Try Free • Annual | $49.99 | per year |


## Frequently asked questions

### Is 4k Weeks free?

4k Weeks costs $1.99, with no in-app purchases.

### Is Explosive Sprint Timer free?

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

### Do 4k Weeks or Explosive Sprint Timer have ads?

Neither 4k Weeks nor Explosive Sprint Timer shows ads.

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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.*