# 40Hz Gamma vs GLYMPHA

The clearest difference is price: GLYMPHA at Free against 40Hz Gamma's $4.99. 40Hz Gamma's advantage is in-app purchases (none vs 1) and chart position (#200 vs unranked). On iOS requirement there is nothing between them.

GLYMPHA is free to download; 40Hz Gamma costs $4.99 up front. GLYMPHA sells 1 one-off in-app purchase. 40Hz Gamma asks for nothing beyond the download.

## The numbers

| Metric | 40Hz Gamma | GLYMPHA |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/40hz-gamma/id6752361990/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | **No** | Yes |
| Ads | No | — |
| Update frequency | Every 4 days | — |
| Monetization | Paid | — |
| Best chart rank | **#200** | — |
| Size | 38 MB | 33 MB |
| Requires iOS | **15.6** | 16.0 |
| Devices | **iPhone, iPad, iPod** | — |
| Age rating | 4+ | 12+ |
| Developer | [秀银 林](https://appshunter.io/developer/1835808687) | [Masaru Suzuki](https://appshunter.io/developer/1214200807) |

## What reviewers say

### 40Hz Gamma

[App page](https://appshunter.io/ios/app/40hz-gamma/id6752361990)

**Currently charting:** #200 Top Paid · Health & Fitness (US App Store)

This app offers advanced brain stimulation through precisely calibrated audio and visual signals. It aims to help users achieve states of deep focus and tranquility using neuroscience-backed techniques. Explore various professional audio modes and advanced gamma visuals for cognitive wellness.

**Highlights:** Professional audio modes (e.g., Binaural Beats, Monaural Beats), Advanced gamma visual stimulation (e.g., Sine Wave, Drifting Grating), Precision frequency tuning (38Hz-42Hz), Ambient sound library with white noise, Mixer for 40Hz waves and ambient sounds, Offline functionality, no data collection

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

**In-app purchases:** none


### GLYMPHA

[App page](https://appshunter.io/ios/app/glympha/id6758812930)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Upgrade to premium | $0.99 | one-time |


## Frequently asked questions

### Is 40Hz Gamma free?

40Hz Gamma costs $4.99, with no in-app purchases.

### Is GLYMPHA free?

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

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*