# Hz Frequency by Lamda vs Aava

The clearest difference is in-app purchases: Aava at none against Hz Frequency by Lamda's 5. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Hz Frequency by Lamda sells 5 in-app purchases, starting at $4.99 per month. Aava asks for nothing beyond the download.

Hz Frequency by Lamda ships an update every 9 days, Aava every 8 days. The most recent releases landed on November 8, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Hz Frequency by Lamda | Aava |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (21 ratings)](https://appshunter.io/ios/app/hz-frequency-by-lamda/id6747421302/reviews)** | — |
| Number of ratings | **21** | — |
| Positive reviews | 75.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 9 days | **Every 8 days** |
| Monetization | Freemium | — |
| Size | 168 MB | 114 MB |
| Requires iOS | **14.0.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Jehan Radwan](https://appshunter.io/developer/1820159651) | [Hardik Jain](https://appshunter.io/developer/6798841030) |

## What reviewers say

### 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 |


### Aava

[App page](https://appshunter.io/ios/app/aava-self-talk-mastery/id6801127936)

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

**In-app purchases:** none


## Frequently asked questions

### Is Hz Frequency by Lamda free?

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

### Is Aava free?

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

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

Neither Hz Frequency by Lamda nor Aava shows ads.

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

Hz Frequency by Lamda ships an update every 9 days, and Aava every 8 days. Most recently, Hz Frequency by Lamda was updated on November 8, 2026 and Aava on October 31, 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.*