# Whistle Sounds vs TimeLapse 4K

The clearest difference is rating: TimeLapse 4K at 5.0 against Whistle Sounds's 3.0. TimeLapse 4K also leads on update cadence (every 4 months vs every 8 months). Whistle Sounds's advantage is in-app purchases (none vs 2) and ratings volume (9 vs 3). On price, ads, monetization model and device support there is nothing between them.

Whistle Sounds costs $0.99 and TimeLapse 4K $0.99 up front. TimeLapse 4K sells 2 in-app purchases, starting at $1.99 per month. Whistle Sounds asks for nothing beyond the download.

TimeLapse 4K holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 9 and 3 respectively.

Whistle Sounds ships an update every 8 months, TimeLapse 4K every 4 months. The most recent releases landed on November 1, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Whistle Sounds | TimeLapse 4K |
| --- | --- | --- |
| Price | $0.99 | $0.99 |
| Rating | [3.0 (9 ratings)](https://appshunter.io/ios/app/whistle-sounds/id1114558561/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/timelapse-4k/id6739243987/reviews)** |
| Number of ratings | **9** | 3 |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 4 months** |
| Monetization | Paid | Paid |
| Size | 7 MB | 59 MB |
| Requires iOS | **7.0** | 15.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Apple TV** |
| Age rating | 4+ | 4+ |
| Developer | [Leafgreen](https://appshunter.io/developer/1070668841) | [KISSAPP, S.L.](https://appshunter.io/developer/552812711) |

## What reviewers say

### Whistle Sounds

[App page](https://appshunter.io/ios/app/whistle-sounds/id1114558561)

This app provides realistic whistle sounds for various situations. It's ideal for coaches needing to signal athletes or for anyone needing to attract attention or call for help.

**Highlights:** High-quality whistle noises, Realistic sound simulation, Ideal for sports coaches, Useful for attracting attention, Can be used in emergencies, Various whistle tones available

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

**In-app purchases:** none


### TimeLapse 4K

[App page](https://appshunter.io/ios/app/timelapse-4k/id6739243987)

Experience stunning 4K and HD time-lapses with endless loop playback. Customize your viewing with visual effects, display layouts, and on-screen elements like clocks and calendar events. Enjoy background playback and a sleep timer for ultimate relaxation.

**Highlights:** 4K and HD video playback, Endless loop and shuffle modes, Background playback, Sleep timer, Apple TV and Chromecast compatibility, Visual effects and display layouts, Clock and calendar display

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| TimeLapse Full Version | $1.99 | per month |
| TimeLapse Full Version | $9.99 | per year |


## Frequently asked questions

### Is Whistle Sounds free?

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

### Is TimeLapse 4K free?

TimeLapse 4K costs $0.99, and also offers in-app purchases.

### Which has better reviews, Whistle Sounds or TimeLapse 4K?

TimeLapse 4K is rated higher. Whistle Sounds averages 3.0 out of 5 from 9 ratings, while TimeLapse 4K averages 5.0 from 3 ratings.

### Do Whistle Sounds or TimeLapse 4K have ads?

Neither Whistle Sounds nor TimeLapse 4K shows ads.

### Which is updated more often, Whistle Sounds or TimeLapse 4K?

Whistle Sounds ships an update every 8 months, and TimeLapse 4K every 4 months. Most recently, Whistle Sounds was updated on November 1, 2026 and TimeLapse 4K on October 28, 2026.

---

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