# Eunoia vs Hz Frequency by Lamda

The clearest difference is review sentiment: Hz Frequency by Lamda at 75% against Eunoia's 0%. Hz Frequency by Lamda also leads on ratings volume (20 vs 4). Eunoia's advantage is rating (5.0 vs 4.7). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Eunoia sells 2 in-app purchases, starting at $9.99 per month and Hz Frequency by Lamda sells 5 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

Eunoia holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Hz Frequency by Lamda has 20 ratings behind it against 4, so its average is the more settled of the two. Written reviews complicate that: 0% of Eunoia's written reviews are positive against 75% of Hz Frequency by Lamda's, so the app with the better star average is not the one people write more warmly about.

Eunoia ships an update fortnightly, Hz Frequency by Lamda every 9 days. Both last shipped on October 24, 2026.

## The numbers

| Metric | Eunoia | Hz Frequency by Lamda |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/eunoia-frequency-generator/id6737287151/reviews)** | [4.7 (20 ratings)](https://appshunter.io/ios/app/hz-frequency-by-lamda/id6747421302/reviews) |
| Number of ratings | 4 | **20** |
| Positive reviews | 0.0% of reviews | **75.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 9 days** |
| Monetization | Free with in-app purchases | Freemium |
| Size | 75 MB | 168 MB |
| Requires iOS | 15.0 | **14.0.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Mimateam d.o.o.](https://appshunter.io/developer/551801742) | [Jehan Radwan](https://appshunter.io/developer/1820159651) |

## What reviewers say

### Eunoia

[App page](https://appshunter.io/ios/app/eunoia-frequency-generator/id6737287151)

This app generates healing frequencies, solfeggio tones, and various noise colors with immersive sound visualizations. It helps users find calm, focus, and inner balance through sound-based relaxation and energetic balancing.

**Highlights:** Frequency generation up to 22 kHz, Solfeggio and Golden Ratio modes, White, pink, and brown noise colors, Cymatics and Chladni pattern visualizations, Customizable sequences and playlists, Chakra-based sound balancing

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly subscription | $9.99 | per month |
| Yearly subscription | $99.99 | per year |


### Hz Frequency by Lamda

[App page](https://appshunter.io/ios/app/hz-frequency-by-lamda/id6747421302)

This app offers precision Hz frequency soundscapes designed to promote inner harmony, clarity, and calm. It features binaural beats and various admired frequencies embedded in relaxing music, with interactive visual meditations to support stress relief and sleep.

**Highlights:** Precision Hz frequency programs, Binaural Beats, Interactive 3D scenes, Includes 432 Hz, 528 Hz, and solfeggio frequencies, Stress relief and relaxation support, Short interactive exercises

**Features:** Family Sharing

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Premium | $4.99 | per month |
| Monthly Premium Standard | $8.99 | per month |
| Annual | $19.99 | per year |
| Annual Premium | $44.00 | per year |
| Lifetime | $110.99 | one-time |


## Frequently asked questions

### Is Eunoia free?

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

### Is Hz Frequency by Lamda free?

Hz Frequency by Lamda is free to download, with in-app purchases available.

### Which has better reviews, Eunoia or Hz Frequency by Lamda?

Eunoia is rated higher. Eunoia averages 5.0 out of 5 from 4 ratings, while Hz Frequency by Lamda averages 4.7 from 20 ratings.

### Do Eunoia or Hz Frequency by Lamda have ads?

Neither Eunoia nor Hz Frequency by Lamda shows ads.

### Which is updated more often, Eunoia or Hz Frequency by Lamda?

Eunoia ships an update fortnightly, and Hz Frequency by Lamda every 9 days. Most recently, Eunoia was updated on October 24, 2026 and Hz Frequency by Lamda 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.*