# Binaural Beats vs eEngineer

The clearest difference is in-app purchases: eEngineer at none against Binaural Beats's 4. eEngineer also leads on iOS requirement (13.1 vs 15.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Binaural Beats sells 4 in-app purchases, starting at $14.99 per month. eEngineer asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 6 weeks. The most recent releases landed on October 23, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Binaural Beats | eEngineer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (173 ratings)](https://appshunter.io/ios/app/binaural-beats-sleep-and-focus/id6462417759/reviews)** | — |
| Number of ratings | **173** | — |
| Positive reviews | 55.6% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 6 weeks | Every 6 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 122 MB | 13 MB |
| Requires iOS | 15.0 | **13.1** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Zhuzhou Yiqi Network Technology Co., Ltd.](https://appshunter.io/developer/1655498857) | [苏州易泰勒电子科技有限公司](https://appshunter.io/developer/1595521331) |

## What reviewers say

### Binaural Beats

[App page](https://appshunter.io/ios/app/binaural-beats-sleep-and-focus/id6462417759)

This app uses scientifically designed binaural beats and instrumental music to promote relaxation, reduce stress, and enhance focus. It offers various sound wave frequencies to help users achieve desired mental states for sleep, meditation, and concentration.

**Highlights:** Binaural beat therapy, Stress relief sounds, Sleep enhancement tracks, Focus and concentration music, Relaxation and meditation aid, Instrumental music compositions

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Binaural Beats Premium Monthly | $14.99 | per month |
| Binaural Beats Premium Yearly | $34.99 | per year |
| Binaural Beat Premium 2-years | $49.99 | one-time |
| Binaural Beat Premium Lifetime | $59.99 | one-time |


### eEngineer

[App page](https://appshunter.io/ios/app/eengineer/id6756554016)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Binaural Beats free?

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

### Is eEngineer free?

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

### Do Binaural Beats or eEngineer have ads?

Neither Binaural Beats nor eEngineer shows ads.

### Which is updated more often, Binaural Beats or eEngineer?

Binaural Beats ships an update every 6 weeks, and eEngineer every 6 weeks. Most recently, Binaural Beats was updated on October 23, 2026 and eEngineer on October 24, 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.*