# Binaural Beats vs SleepDev

The clearest difference is in-app purchases: SleepDev at none against Binaural Beats's 1. SleepDev also leads on ads (none vs shown) and iOS requirement (12.0 vs 15.6). On price and device support there is nothing between them.

Both are free to download. Binaural Beats sells 1 one-off in-app purchase. SleepDev asks for nothing beyond the download.

## The numbers

| Metric | Binaural Beats | SleepDev |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (136 ratings)](https://appshunter.io/ios/app/binaural-beats-brain-waves/id1462062558/reviews)** | — |
| Number of ratings | **136** | — |
| Positive reviews | 87.5% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | — |
| Monetization | Free with in-app purchases | — |
| Size | 40 MB | 25 MB |
| Requires iOS | 15.6 | **12.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Omer Okan Ayvazoglu](https://appshunter.io/developer/404516300) | [高铭 张](https://appshunter.io/developer/1846527898) |

## What reviewers say

### Binaural Beats

[App page](https://appshunter.io/ios/app/binaural-beats-brain-waves/id1462062558)

Explore the science behind brainwaves and their impact on your mental state. This app provides insights into different brainwave frequencies and their associated cognitive functions, helping you understand how to optimize focus, relaxation, and sleep.

**Highlights:** Brainwave type explanations, Cognitive function association, Focus optimization, Relaxation techniques, Sleep improvement insights

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Stop Ads | $0.99 | one-time |

**What reviewers like**

- 🎧 Helps with sleep
- 🧠 Aids concentration and focus
- 😌 Calming and peaceful
- 💡 Improves short-term memory
- 👍 Easy to use

**What reviewers complain about**

- ⚠️ Too many ads
- 💸 In-app purchase issues (ads not removed)
- 🔊 Ads with sound are disruptive
- 🪞 Songs fade out and back in (no gapless playback)

**Reported bugs**

- Ads still present after purchasing ad-free version
- In-app purchase to remove ads not accessible

**Requested features**

- Add more tips for each brainwave
- Gapless playback for songs


### SleepDev

[App page](https://appshunter.io/ios/app/sleepdev/id6754155833)

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

**In-app purchases:** none


## Frequently asked questions

### Is Binaural Beats free?

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

### Is SleepDev free?

SleepDev is free to download, with no in-app purchases.

### Do Binaural Beats or SleepDev have ads?

Binaural Beats shows ads; SleepDev does not.

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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.*