Whistle Blow vs Splitwatch Track
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Whistle Blow
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.
- 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
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Blow Whistle turns your iPhone into a crisp, realistic whistle, no hardware needed. Trigger it your way: blow into the mic, shake your device, tap the screen, or remotely trigger it from your Apple Watch. Perfect for getting attention, coaching, pranks, or quick sound effects. Dial in exactly how you want it to respond with adjustable microphone sensitivity and full volume control. Pick your favorite whistle sound and, if you like, display a live mic level meter for visual feedback. Features: - Blow-to-whistle with adjustable mic sensitivity - Tap or shake to trigger, no mic required - Apple Watch support: trigger your iPhone from your wrist, or whistle right from the watch when your iPhone is out of reach - Siri, Shortcuts and Action button support (iOS 16 or later) - Choose from multiple whistle sounds - Volume control for any environment - Optional on-screen mic level meter - Works offline, lightweight, and fast Privacy-Friendly: - Microphone access is only used for the blow-to-whistle feature. You can still tap, shake, or use Apple Watch without granting mic permission. Note: Blow Whistle is for fun and everyday use. It is not a substitute for safety devices or emergency signaling. Compatibility: - iPhone and iPad - Apple Watch (requires paired iPhone)
Splitwatch Track
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.
- Calculate split times
- Integrated stopwatch
- Monitor race pace
- Track multiple runners (Pro)
- Customize stopwatch design (Pro)
- Apple Watch app support
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Splitwatch Track calculates split times for your run! Simply enter the distance and time you want to run. Splitwatch will then calculate your split times. During the run, you or your coach can monitor the race using the integrated stopwatch. Use the app to calculate split times before a race, for example. During the race, your coach can tell you exactly whether you are keeping up your pace. Perfect for your next track and field competition! Unlock even more with Splitwatch Pro: track multiple runners at the same time, adjust race settings, and customize the stopwatch design. You can also use the Apple Watch app to monitor your pace yourself while running.
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | Whistle Blow | Splitwatch Track |
|---|---|---|
| Price | $0.99 | Free — better |
| Rating | — | 4.0 (1 ratings) — better |
| Positive reviews | 20.0% of reviews | — |
| Number of ratings | — | 1 — better |
| Update frequency | Every 8 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Paid | Free with in-app purchases — better |
| Devices | iPhone, iPad, iPod, Apple Watch — better | iPhone, iPad, Apple Watch |
| Requires iOS | 15.0 — better | 17.6 |
| Further details — not scored | ||
| Size | 6 MB | 4 MB |
| Age rating | 4+ | 4+ |
| Developer | Daniel Asto | Michael Strupp |
Customer experience
Whistle Blow
Splitwatch Track
In-app purchases
Whistle Blow
No in-app purchases
Splitwatch Track
- Splitwatch Pro$2.99
Questions
Is Whistle Blow free?
Is Splitwatch Track free?
Do Whistle Blow or Splitwatch Track have ads?
Which is updated more often, Whistle Blow or Splitwatch Track?
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