# Sprint App vs STUnlocker Ride SP

The clearest difference is in-app purchases: STUnlocker Ride SP at none against Sprint App's 1. Sprint App's advantage is iOS requirement (7.0 vs 15.6). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Sprint App sells 1 one-off in-app purchase. STUnlocker Ride SP asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 2 weeks. The most recent releases landed on June 24, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Sprint App | STUnlocker Ride SP |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.0 (4 ratings)](https://appshunter.io/ios/app/sprint-app-automatic-stopwatch/id875840775/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 28.6% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 weeks | Every 2 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 7 MB | 68 MB |
| Requires iOS | **7.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPod, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Somatic Aps](https://appshunter.io/developer/560989178) | [Vadim Bukin](https://appshunter.io/developer/1470219022) |

## What reviewers say

### Sprint App

[App page](https://appshunter.io/ios/app/sprint-app-automatic-stopwatch/id875840775)

This app uses your device's front camera to automatically start and stop a timer based on your movement. It's designed for precise timing of sprints and motion-based activities, with options for single-device or dual-device A-to-B timing via Bluetooth or WiFi.

**Highlights:** Automatic start/stop timer using front camera, Precise timing for sprints and drills, Single-device A-A timing, Dual-device A-B timing with Bluetooth/WiFi, Easy setup with device positioning guidance

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Multi Device | $1.99 | one-time |


### STUnlocker Ride SP

[App page](https://appshunter.io/ios/app/stunlocker-ride-sp/id6498951084)

**Features:** Apple Watch app

**In-app purchases:** none


## Frequently asked questions

### Is Sprint App free?

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

### Is STUnlocker Ride SP free?

STUnlocker Ride SP is free to download, with no in-app purchases.

### Do Sprint App or STUnlocker Ride SP have ads?

Neither Sprint App nor STUnlocker Ride SP shows ads.

### Which is updated more often, Sprint App or STUnlocker Ride SP?

Sprint App ships an update every 2 weeks, and STUnlocker Ride SP every 2 weeks. Most recently, Sprint App was updated on June 24, 2026 and STUnlocker Ride SP on October 24, 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.*