# SprintLens vs BolTimer

The clearest difference is update cadence: BolTimer at every 2 days against SprintLens's every 6 days. BolTimer also leads on iOS requirement (17.0 vs 26.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. SprintLens sells 2 one-off in-app purchases and BolTimer sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

SprintLens ships an update every 6 days, BolTimer every 2 days. The most recent releases landed on October 6, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | SprintLens | BolTimer |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 6 days | **Every 2 days** |
| Monetization | Free with in-app purchases | — |
| Size | 79 MB | 5 MB |
| Requires iOS | 26.0 | **17.0** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Koki Osada](https://appshunter.io/developer/1501162473) | [Shanghai Qingge Technology Co., Ltd.](https://appshunter.io/developer/1726729782) |

## What reviewers say

### 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 |


### BolTimer

[App page](https://appshunter.io/ios/app/boltimer/id6785223452)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| boltimer_weekly | $14.99 | one-time |
| boltimer_lifetime | $149.99 | one-time |


## Frequently asked questions

### Is SprintLens free?

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

### Is BolTimer free?

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

### Do SprintLens or BolTimer have ads?

Neither SprintLens nor BolTimer shows ads.

### Which is updated more often, SprintLens or BolTimer?

SprintLens ships an update every 6 days, and BolTimer every 2 days. Most recently, SprintLens was updated on October 6, 2026 and BolTimer on October 9, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*