# Noise Guru vs Brainwaves Frequency Generator

The clearest difference is in-app purchases: Noise Guru at none against Brainwaves Frequency Generator's 7. Noise Guru also leads on review sentiment (88% vs 70%) and rating (4.6 vs 4.4). Brainwaves Frequency Generator's advantage is update cadence (every 4 days vs monthly) and device support (4 vs 2). On price, ratings volume, ads and iOS requirement there is nothing between them.

Both are free to download. Brainwaves Frequency Generator sells 7 in-app purchases, starting at $9.99 per month. Noise Guru asks for nothing beyond the download.

Noise Guru holds the better App Store score, 4.6 against 4.4. Both are backed by a comparable volume of ratings — 360 and 171 respectively. Written reviews point the same way: 88% of Noise Guru's written reviews are positive against 70% of Brainwaves Frequency Generator's.

Noise Guru ships an update monthly, Brainwaves Frequency Generator every 4 days. The most recent releases landed on October 22, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | Noise Guru | Brainwaves Frequency Generator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (360 ratings)](https://appshunter.io/ios/app/noise-guru-decibel-meter/id6444836813/reviews)** | [4.4 (171 ratings)](https://appshunter.io/ios/app/brainwaves-frequency-generator/id6445854548/reviews) |
| Number of ratings | **360** | 171 |
| Positive reviews | **88.3% of reviews** | 70.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 4 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 15 MB | 50 MB |
| Requires iOS | 14.0 | 14.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Andrei Serykh](https://appshunter.io/developer/1626886894) | [Brainwave Frequency, LLC](https://appshunter.io/developer/1674255468) |

## What reviewers say

### Noise Guru

[App page](https://appshunter.io/ios/app/noise-guru-decibel-meter/id6444836813)

Measure sound levels with precision to understand your environment and protect your hearing. Identify loud noises, monitor noise pollution, and find quiet spaces for recording. Features include a decibel dosimeter, background noise measurement, and geo-tagged recordings.

**Highlights:** Precise sound level metering (SPL), DB Dosimeter for noise exposure tracking, Background noise measurement, Noise pollution monitoring, Geo-tagged noise recordings, Unlimited recording duration

**In-app purchases:** none

**What reviewers like**

- 👍 Effective tool
- 👍 Clean interface
- 👍 Allows measuring loudness
- 👍 Visually appealing and easy to use
- 👍 Efficient and effective

**What reviewers complain about**

- 🐛 Accuracy issues compared to other apps
- 🔋 Can't play audio while using the app

**Reported bugs**

- Forced to leave a review to use the app
- Can't delete max values

**Requested features**

- Add frequency meter
- Add option to reset max/min values


### 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 Noise Guru free?

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

### Is Brainwaves Frequency Generator free?

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

### Which has better reviews, Noise Guru or Brainwaves Frequency Generator?

Noise Guru is rated higher. Noise Guru averages 4.6 out of 5 from 360 ratings, while Brainwaves Frequency Generator averages 4.4 from 171 ratings.

### Do Noise Guru or Brainwaves Frequency Generator have ads?

Neither Noise Guru nor Brainwaves Frequency Generator shows ads.

### Which is updated more often, Noise Guru or Brainwaves Frequency Generator?

Noise Guru ships an update monthly, and Brainwaves Frequency Generator every 4 days. Most recently, Noise Guru was updated on October 22, 2026 and Brainwaves Frequency Generator on October 21, 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.*