# Exposure SYNC vs Sailrace dinghy race timer

The clearest difference is review sentiment: Sailrace dinghy race timer at 100% against Exposure SYNC's 7%. Exposure SYNC's advantage is iOS requirement (11.4 vs 15.6). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 4, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | Exposure SYNC | Sailrace dinghy race timer |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 6.7% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | Free | Free |
| Size | 18 MB | 48 MB |
| Requires iOS | **11.4** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Ultimate Sports Engineering](https://appshunter.io/developer/1179244787) | [Tim Cutsforth](https://appshunter.io/developer/1547876988) |

## What reviewers say

### Exposure SYNC

[App page](https://appshunter.io/ios/app/exposure-sync/id1436503167)

Control your bike lights with custom burn times and lumen outputs. This app allows simultaneous command of helmet and handlebar lights for ultimate smart control via Bluetooth.

**Highlights:** Bluetooth connectivity, Customizable programs, Adjustable burn time, Adjustable lumen output, Simultaneous light control, Remote setup

**Features:** macOS Compatibility

**In-app purchases:** none


### Sailrace dinghy race timer

[App page](https://appshunter.io/ios/app/sailrace-dinghy-race-timer/id1547876986)

This app simplifies dinghy race management for sailing clubs using the Portsmouth Yardstick. It offers features like lap timing, immediate result sharing, and various race modes, eliminating the need for manual record-keeping.

**Highlights:** Portsmouth Yardstick scoring, Lap timing, Immediate result sharing, Fleet and pursuit race modes, Customizable pre-start period, Offline functionality, Series management

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

**In-app purchases:** none


## Frequently asked questions

### Is Exposure SYNC free?

Exposure SYNC is free to download, with no in-app purchases.

### Is Sailrace dinghy race timer free?

Sailrace dinghy race timer is free to download, with no in-app purchases.

### Do Exposure SYNC or Sailrace dinghy race timer have ads?

Neither Exposure SYNC nor Sailrace dinghy race timer shows ads.

### Which is updated more often, Exposure SYNC or Sailrace dinghy race timer?

Exposure SYNC ships an update every 2 months, and Sailrace dinghy race timer every 2 months. Most recently, Exposure SYNC was updated on October 4, 2026 and Sailrace dinghy race timer on October 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.*