# SmarterNoise Pro vs Brainwaves Frequency Generator

SmarterNoise Pro and Brainwaves Frequency Generator both sit at 4.4 stars, but that hides the real split: 70% of Brainwaves Frequency Generator's written reviews are positive against 29% of SmarterNoise Pro's. Brainwaves Frequency Generator also leads on update cadence (every 4 days vs monthly) and ratings volume (169 vs 31). SmarterNoise Pro's advantage is iOS requirement (12.0 vs 14.0). On price, rating, ads and in-app purchases there is nothing between them.

Both are free to download. SmarterNoise Pro sells 4 one-off in-app purchases and Brainwaves Frequency Generator sells 7 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.4 for SmarterNoise Pro against 4.4 for Brainwaves Frequency Generator. That said, the two scores are not equally well evidenced: Brainwaves Frequency Generator has 169 ratings behind it against 31, so its average is the more settled of the two. Written reviews are what separate them: 29% of SmarterNoise Pro's written reviews are positive against 70% of Brainwaves Frequency Generator's.

SmarterNoise Pro ships an update monthly, Brainwaves Frequency Generator every 4 days. The most recent releases landed on September 22, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | SmarterNoise Pro | Brainwaves Frequency Generator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.4 (31 ratings)](https://appshunter.io/ios/app/smarternoise-pro/id1466745030/reviews) | **[4.4 (169 ratings)](https://appshunter.io/ios/app/brainwaves-frequency-generator/id6445854548/reviews)** |
| Number of ratings | 31 | **169** |
| Positive reviews | 28.6% of reviews | **70.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 4 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 24 MB | 50 MB |
| Requires iOS | **12.0** | 14.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 12+ | 4+ |
| Developer | [Johan Rogard](https://appshunter.io/developer/1384299041) | [Brainwave Frequency, LLC](https://appshunter.io/developer/1674255468) |

## What reviewers say

### SmarterNoise Pro

[App page](https://appshunter.io/ios/app/smarternoise-pro/id1466745030)

This advanced sound level meter app offers detailed audio analysis with features like frequency spectrum display and data export. It allows for precise sound measurements in both video and audio recording modes, with options for A-, C-, or no weighting.

**Highlights:** Sound level measurement in video/audio modes, Frequency spectrum display, Export measurement data (CSV), Sound level activated audio recording, Calibration tool, Full HD video recording (paid)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Camera upgrade | $0.99 | one-time |
| Frequency spectrum indicator | $1.99 | one-time |
| Video and audio recording | $1.99 | one-time |
| Spectrogram display | $1.99 | one-time |


### Brainwaves Frequency Generator

[App page](https://appshunter.io/ios/app/brainwaves-frequency-generator/id6445854548)

Enhance sleep quality and boost focus with scientifically-proven brainwave frequencies. Choose from a library of soothing sounds to induce relaxation or sharpen concentration for improved productivity and well-being.

**Highlights:** Binaural beats for sleep and focus, Diverse library of soothing frequencies, Delta, theta, alpha, and beta wave options, Customizable frequency controls, Enhances sleep quality, Boosts focus and productivity

**Features:** macOS Compatibility, Siri integration

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Month | $9.99 | per month |
| 1 Month | $9.99 | per month |
| Semester | $49.99 | per 6 months |
| Semester | $49.99 | per 6 months |
| Annual | $59.99 | per year |
| Annual | $59.99 | per year |
| Lifetime Access | $149.99 | one-time |

**What reviewers like**

- 👍 Effective for focus and productivity
- 👍 Improves sleep quality
- 👍 Helps calm racing thoughts
- 👍 User-friendly interface
- 👍 Customizable sessions

**What reviewers complain about**

- 😞 No way to cancel trial
- 😞 Sound causes headaches
- 😞 No instructions or info
- 😞 App doesn't help with sleep for some
- 😞 Poor sound quality

**Reported bugs**

- Review deleted by cat
- Cannot find cancellation information

**Requested features**

- Option to turn off haptic vibes
- Tutorial for the app
- Carry images or teach math during sleep


## Frequently asked questions

### Is SmarterNoise Pro free?

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

### Is Brainwaves Frequency Generator free?

Brainwaves Frequency Generator is free to download, with in-app purchases available.

### Which has better reviews, SmarterNoise Pro or Brainwaves Frequency Generator?

Brainwaves Frequency Generator is rated higher. SmarterNoise Pro averages 4.4 out of 5 from 31 ratings, while Brainwaves Frequency Generator averages 4.4 from 169 ratings.

### Do SmarterNoise Pro or Brainwaves Frequency Generator have ads?

Neither SmarterNoise Pro nor Brainwaves Frequency Generator shows ads.

### Which is updated more often, SmarterNoise Pro or Brainwaves Frequency Generator?

SmarterNoise Pro ships an update monthly, and Brainwaves Frequency Generator every 4 days. Most recently, SmarterNoise Pro was updated on September 22, 2026 and Brainwaves Frequency Generator on October 8, 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.*