# Whistle Sounds vs Bo's Run

The clearest difference is review sentiment: Whistle Sounds at 50% against Bo's Run's 0%. Whistle Sounds also leads on rating (3.0 vs 1.0) and ratings volume (9 vs 1). Bo's Run's advantage is price (Free vs $0.99). On update cadence, ads, in-app purchases and device support there is nothing between them.

Bo's Run is free to download; Whistle Sounds costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Whistle Sounds holds the better App Store score, 3.0 against 1.0. That said, the two scores are not equally well evidenced: Whistle Sounds has 9 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 50% of Whistle Sounds's written reviews are positive against 0% of Bo's Run's.

Whistle Sounds ships an update every 8 months, Bo's Run every 9 months. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Whistle Sounds | Bo's Run |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | **[3.0 (9 ratings)](https://appshunter.io/ios/app/whistle-sounds/id1114558561/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/bos-run/id1579258400/reviews) |
| Number of ratings | **9** | 1 |
| Positive reviews | **50.0% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 8 months** | Every 9 months |
| Monetization | Paid | **Free** |
| Size | 7 MB | 184 MB |
| Requires iOS | **7.0** | 11.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Leafgreen](https://appshunter.io/developer/1070668841) | [Bonocle](https://appshunter.io/developer/1579077282) |

## 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


### Bo's Run

[App page](https://appshunter.io/ios/app/bos-run/id1579258400)

Navigate a challenging obstacle course as a high-tech robotic guide dog. Experience obstacles through braille and immersive soundscapes. Control your character with motion or buttons to jump, slide, and move lanes.

**Highlights:** Braille-based obstacle feedback, Immersive sound design, Motion and button controls, Jump, slide, and lane movement, Multiplayer high score challenges, Interactive tutorial, In-game currency collection

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Whistle Sounds free?

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

### Is Bo's Run free?

Bo's Run is free to download, with no in-app purchases.

### Which has better reviews, Whistle Sounds or Bo's Run?

Whistle Sounds is rated higher. Whistle Sounds averages 3.0 out of 5 from 9 ratings, while Bo's Run averages 1.0 from 1 ratings.

### Do Whistle Sounds or Bo's Run have ads?

Neither Whistle Sounds nor Bo's Run shows ads.

### Which is updated more often, Whistle Sounds or Bo's Run?

Whistle Sounds ships an update every 8 months, and Bo's Run every 9 months. Most recently, Whistle Sounds was updated on November 2, 2026 and Bo's Run on November 3, 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.*