# Binaural Beats Generator + vs Diffraction Grating Calculator

The clearest difference is price: Binaural Beats Generator + at Free against Diffraction Grating Calculator's $2.99. Binaural Beats Generator + also leads on update cadence (every 3 weeks vs every 29 months). Diffraction Grating Calculator's advantage is ads (none vs shown) and iOS requirement (13 vs 15.0). On in-app purchases and device support there is nothing between them.

Binaural Beats Generator + is free to download; Diffraction Grating Calculator costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Binaural Beats Generator + ships an update every 3 weeks, Diffraction Grating Calculator every 29 months. The most recent releases landed on October 24, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Binaural Beats Generator + | Diffraction Grating Calculator |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| Rating | **[4.7 (1.2K ratings)](https://appshunter.io/ios/app/binaural-beats-generator-plus/id1206442552/reviews)** | — |
| Number of ratings | **1.2K** | — |
| Positive reviews | 69.5% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 3 weeks** | Every 29 months |
| Monetization | Free with in-app purchases | — |
| Size | 38 MB | 1 MB |
| Requires iOS | 15.0 | **13** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [TMSOFT](https://appshunter.io/developer/288669797) | [Nitrio](https://appshunter.io/developer/321121189) |

## What reviewers say

### Binaural Beats Generator +

[App page](https://appshunter.io/ios/app/binaural-beats-generator-plus/id1206442552)

Create personalized binaural beats for sleep, focus, and meditation. Adjust frequencies to generate custom soundscapes for relaxation or alertness. Requires headphones for optimal experience.

**Highlights:** Customizable binaural beat frequencies (1-50 Hz), Adjustable base frequency (20-1500 Hz), Support for Alpha, Beta, Delta, Gamma, Mu, Theta waves, Modern, user-friendly interface, AirPlay support, Play/Pause functionality

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

**In-app purchases:** none

**What reviewers like**

- 🚀 Simple and effective
- 👍 Crisp and clean UI
- 👍 Versatile frequency options
- 👍 Helps with sleep and relaxation
- 👍 Straightforward and easy to use

**What reviewers complain about**

- 🐛 Audio issues (drops out, stutters)
- 🔋 Doesn't play in background
- 🔍 Confusing instructions/UI
- 💰 Ads can be intrusive

**Reported bugs**

- Presets get erased
- No play button on download
- Bluetooth connectivity issues

**Requested features**

- Ability to enter decimal frequencies
- Option to mix with other audio apps
- Customizable frequency patterns/sweeps
- Timer/auto-off functionality
- Ability to save/export settings


### Diffraction Grating Calculator

[App page](https://appshunter.io/ios/app/diffraction-grating-calculator/id1413088894)

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

**In-app purchases:** none


## Frequently asked questions

### Is Binaural Beats Generator + free?

Binaural Beats Generator + is free to download, with no in-app purchases.

### Is Diffraction Grating Calculator free?

Diffraction Grating Calculator costs $2.99, with no in-app purchases.

### Do Binaural Beats Generator + or Diffraction Grating Calculator have ads?

Binaural Beats Generator + shows ads; Diffraction Grating Calculator does not.

### Which is updated more often, Binaural Beats Generator + or Diffraction Grating Calculator?

Binaural Beats Generator + ships an update every 3 weeks, and Diffraction Grating Calculator every 29 months. Most recently, Binaural Beats Generator + was updated on October 24, 2026 and Diffraction Grating Calculator 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.*