# Whistle Blow vs Splitwatch Track

The clearest difference is price: Splitwatch Track at Free against Whistle Blow's $0.99. Splitwatch Track also leads on update cadence (every 2 months vs every 8 months). Whistle Blow's advantage is in-app purchases (none vs 1) and iOS requirement (15.0 vs 17.6). On ads and device support there is nothing between them.

Splitwatch Track is free to download; Whistle Blow costs $0.99 up front. Splitwatch Track sells 1 one-off in-app purchase. Whistle Blow asks for nothing beyond the download.

Whistle Blow ships an update every 8 months, Splitwatch Track every 2 months. The most recent releases landed on October 8, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | Whistle Blow | Splitwatch Track |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | — | **[4.0 (1 ratings)](https://appshunter.io/ios/app/splitwatch-track/id6748555579/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 20.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 2 months** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 6 MB | 4 MB |
| Requires iOS | **15.0** | 17.6 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Daniel Asto](https://appshunter.io/developer/813484166) | [Michael Strupp](https://appshunter.io/developer/1486097201) |

## What reviewers say

### Whistle Blow

[App page](https://appshunter.io/ios/app/whistle-blow/id492003219)

Transform your device into a realistic whistle with multiple triggering options. Adjust sensitivity, volume, and choose from various sounds for attention-getting, coaching, or sound effects. Works offline and is privacy-friendly.

**Highlights:** Blow-to-whistle with adjustable mic sensitivity, Tap or shake to trigger, Apple Watch remote triggering, Multiple whistle sound options, Adjustable volume control, Optional on-screen mic level meter, Offline functionality

**Features:** Apple Watch app, Vision Pro support

**In-app purchases:** none


### Splitwatch Track

[App page](https://appshunter.io/ios/app/splitwatch-track/id6748555579)

Calculate your running split times for training or competition. Monitor your pace during a race with the integrated stopwatch. Unlock advanced features like multi-runner tracking and customization with the Pro version.

**Highlights:** Calculate split times, Integrated stopwatch, Monitor race pace, Track multiple runners (Pro), Customize stopwatch design (Pro), Apple Watch app support

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Splitwatch Pro | $2.99 | one-time |


## Frequently asked questions

### Is Whistle Blow free?

Whistle Blow costs $0.99, with no in-app purchases.

### Is Splitwatch Track free?

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

### Do Whistle Blow or Splitwatch Track have ads?

Neither Whistle Blow nor Splitwatch Track shows ads.

### Which is updated more often, Whistle Blow or Splitwatch Track?

Whistle Blow ships an update every 8 months, and Splitwatch Track every 2 months. Most recently, Whistle Blow was updated on October 8, 2026 and Splitwatch Track on October 18, 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.*