# Sprint Start Recorder vs SprintLens

The clearest difference is in-app purchases: Sprint Start Recorder at none against SprintLens's 2. Sprint Start Recorder also leads on iOS requirement (17.6 vs 26.0). SprintLens's advantage is ads (none vs shown) and review sentiment (100% vs 86%). On price and device support there is nothing between them.

Both are free to download. SprintLens sells 2 one-off in-app purchases. Sprint Start Recorder asks for nothing beyond the download.

Sprint Start Recorder ships an update every 2 weeks, SprintLens every 6 days. Both last shipped on November 5, 2026.

## The numbers

| Metric | Sprint Start Recorder | SprintLens |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/sprint-start-recorder/id6748664830/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 85.7% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 2 weeks | **Every 6 days** |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 32 MB | 79 MB |
| Requires iOS | **17.6** | 26.0 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Yuto Nagayama](https://appshunter.io/developer/1733179118) | [Koki Osada](https://appshunter.io/developer/1501162473) |

## What reviewers say

### Sprint Start Recorder

[App page](https://appshunter.io/ios/app/sprint-start-recorder/id6748664830)

This tool helps track sprint start cues, video, and timing for track and field athletes. It simulates realistic race day sequences with adjustable intervals and records clear videos with embedded stopwatch overlays for reaction time analysis.

**Highlights:** Realistic start cues with gunshot sound, Adjustable cue intervals, Auto-zoom video recording, Clear video quality for form review, Embedded stopwatch timer for reaction time, Simulates 'On Your Marks, Set, Bang!'

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

**In-app purchases:** none


### SprintLens

[App page](https://appshunter.io/ios/app/sprintlens/id6773487217)

This app uses two smartphones to provide accurate photo finish timing for sports like track and field and swimming. It records high-frame-rate video at the finish line, allowing for frame-by-frame review to determine precise race times without specialized equipment.

**Highlights:** Two-smartphone timing setup, Start signal synchronization, High-frame-rate finish video, Frame-by-frame finish review, Accurate race time measurement, No dedicated equipment needed

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 6-Hour Room Pass | $0.29 | one-time |
| Lifetime Room Pass | $59.99 | one-time |


## Frequently asked questions

### Is Sprint Start Recorder free?

Sprint Start Recorder is free to download, with no in-app purchases.

### Is SprintLens free?

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

### Do Sprint Start Recorder or SprintLens have ads?

Sprint Start Recorder shows ads; SprintLens does not.

### Which is updated more often, Sprint Start Recorder or SprintLens?

Sprint Start Recorder ships an update every 2 weeks, and SprintLens every 6 days. Most recently, Sprint Start Recorder was updated on November 5, 2026 and SprintLens 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.*