# Noise Machine vs KDBBCoaching

The clearest difference is ads: KDBBCoaching at none against Noise Machine's shown. Noise Machine's advantage is update cadence (every 3 weeks vs every 6 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Noise Machine sells 10 in-app purchases, starting at $0.99 per 7 days and KDBBCoaching sells 1 in-app purchase, starting at $130.99 per month. Whichever you choose, the download price is not the number that matters.

Noise Machine ships an update every 3 weeks, KDBBCoaching every 6 months. The most recent releases landed on November 2, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Noise Machine | KDBBCoaching |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (4.3K ratings)](https://appshunter.io/ios/app/noise-machine-brown-white/id1261956119/reviews)** | — |
| Number of ratings | **4.3K** | — |
| Positive reviews | 65.6% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 3 weeks** | Every 6 months |
| Monetization | Free with in-app purchases | — |
| Size | 119 MB | 49 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [ZipoApps](https://appshunter.io/developer/1671444635) | [Kyle Day](https://appshunter.io/developer/1772696528) |

## What reviewers say

### Noise Machine

[App page](https://appshunter.io/ios/app/noise-machine-brown-white/id1261956119)

Drift off to sleep, enhance focus, or simply relax with a variety of scientifically accurate noise types. This app offers brown, green, pink, and white noise, along with a sleep timer and the ability to mix sounds. Control playback with Siri and enjoy a beautiful, dark mode interface.

**Highlights:** High-quality noise generation, Integrated sleep timer, Mix noise with other app audio, Siri integration for playback control, Relaxing dark mode, Play on various audio devices

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited Access | $0.99 | per 7 days |
| Unlimited Access | $8.99 | per 7 days |
| Unlimited Noise Subscription | $9.99 | per year |
| Unlimited Noise | $12.99 | per year |
| Unlimited Noise | $14.99 | per year |
| Unlimited Noise | $19.99 | per year |
| Full Access | $19.99 | per month |
| Noise Machine Lifetime Unlock | $0.99 | one-time |
| Noise Machine Lifetime Unlock | $6.99 | one-time |
| Noise Machine Lifetime Unlock | $9.99 | one-time |

**What reviewers like**

- 🚀 Great for sleep
- 🚀 Helps block out noise
- 👍 Simple and easy to use
- 👍 Variety of sound options
- 👍 Useful for travel and home

**What reviewers complain about**

- 🐛 Constant pop-up for rating
- 🐛 Requires internet connection
- 🔋 High battery consumption
- 💰 Subscription model is expensive

**Reported bugs**

- App crashes or stops playing randomly
- Skipping or looping issues with sound

**Requested features**

- More sound options (purple, blue noise)
- Ability to mix/layer sounds
- Longer timer options (e.g. 30 mins)
- Ability to cast to other devices


### KDBBCoaching

[App page](https://appshunter.io/ios/app/kdbbcoaching/id6736621194)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Coaching | $130.99 | per month |


## Frequently asked questions

### Is Noise Machine free?

Noise Machine is free to download, with in-app purchases available.

### Is KDBBCoaching free?

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

### Do Noise Machine or KDBBCoaching have ads?

Noise Machine shows ads; KDBBCoaching does not.

### Which is updated more often, Noise Machine or KDBBCoaching?

Noise Machine ships an update every 3 weeks, and KDBBCoaching every 6 months. Most recently, Noise Machine was updated on November 2, 2026 and KDBBCoaching on October 27, 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.*