# BrainWave vs Ooooo

The clearest difference is price: Ooooo at Free against BrainWave's $3.99. Ooooo also leads on review sentiment (96% vs 88%). BrainWave's advantage is update cadence (every 2 months vs every 5 months) and ratings volume (367 vs 121). On rating, ads, in-app purchases and device support there is nothing between them.

Ooooo is free to download; BrainWave costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 4.8 for BrainWave against 4.8 for Ooooo. Both are backed by a comparable volume of ratings — 367 and 121 respectively. Written reviews are what separate them: 88% of BrainWave's written reviews are positive against 96% of Ooooo's.

BrainWave ships an update every 2 months, Ooooo every 5 months. The most recent releases landed on October 17, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | BrainWave | Ooooo |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| Rating | [4.8 (367 ratings)](https://appshunter.io/ios/app/brainwave-neuro-trainer/id405583668/reviews) | [4.8 (121 ratings)](https://appshunter.io/ios/app/ooooo/id1244537282/reviews) |
| Number of ratings | **367** | 121 |
| Positive reviews | 87.5% of reviews | **95.8% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 5 months |
| Monetization | Paid | **Free** |
| Size | 158 MB | 1 MB |
| Requires iOS | **13.0** | 26.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, Mac, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Banzai Labs](https://appshunter.io/developer/305909501) | [Pavlos Tsochantaris](https://appshunter.io/developer/328330654) |

## What reviewers say

### BrainWave

[App page](https://appshunter.io/ios/app/brainwave-neuro-trainer/id405583668)

This app uses advanced binaural brainwave entrainment for neuro-athletic training. It features multi-stage programs with progressive frequency algorithms to enhance physical and mental performance. Customize brainwave intensity, background sounds, and timers for a personalized experience.

**Highlights:** Multi-stage binaural programs, Progressive brainwave entrainment algorithms, Adjustable brainwave intensity, Multiple ambient background sounds, Customizable timer options, Automatic saving of preferences

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

**In-app purchases:** none

**What reviewers like**

- 👍 Works well for fitness
- 🧘‍♀️ Promotes tranquility and relief
- 🎧 Calming and listenable soundscapes
- 🎯 Improves hand-eye coordination
- 💡 Game changer for sports

**What reviewers complain about**

- 🐛 Stops playing in background
- 📉 Makes app useless for workouts
- ⚠️ Apps freeze on iOS26
- ⏳ Not being developed further
- 🖼️ Outdated graphics

**Reported bugs**

- App stops playing in the background when not selected
- Apps freeze repeatedly under iOS26
- The speed program crashes
- App crashes when trying to start a cycle with the speed setting

**Requested features**

- Fix background playback issue
- Update app for iOS26
- Add a 'rise and shine' program
- Add ability to save specific playlists to specific programs
- Consolidate apps into one


### Ooooo

[App page](https://appshunter.io/ios/app/ooooo/id1244537282)

This app generates binaural beat audio waves to help you achieve specific mind-states like sleep, meditation, or energy. It offers a simple, offline experience without ads or in-app purchases, and includes an Apple Watch app for convenience.

**Highlights:** Binaural beat audio generation, Supports sleep, meditation, relaxation, and energy states, Offline functionality, No ads or in-app purchases, Apple Watch app included, Optional white/brown noise masking

**Features:** Apple Watch app, Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 👍 Free and no ads
- 👍 Simple and easy to use
- 👍 Highly customizable
- 👍 Works in the background
- 👍 Effective for focus and sleep

**What reviewers complain about**

- 🐛 Frequency accuracy issues
- 🐛 Limited frequency range (caps at 500Hz for some)
- 🐛 Stereo might be broken for some users
- 🐛 Small controls on iPad/Pro
- 🐛 Does not support AirPlay

**Reported bugs**

- App closes when phone goes to sleep or switches apps (needs background capability)
- Frequency displayed does not match actual played frequency
- Slider caps out at 500hz for some users
- Stereo may not be working correctly for some users

**Requested features**

- Higher mhz frequencies
- Numerical input for precision
- Green Noise option
- Program sequences of beats and transitions (auto-pilot)
- Dial into specific frequencies to the thousandth decimal point


## Frequently asked questions

### Is BrainWave free?

BrainWave costs $3.99, with no in-app purchases.

### Is Ooooo free?

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

### Which has better reviews, BrainWave or Ooooo?

BrainWave and Ooooo are both rated 4.8 out of 5 on the App Store, from 367 and 121 ratings respectively.

### Do BrainWave or Ooooo have ads?

Neither BrainWave nor Ooooo shows ads.

### Which is updated more often, BrainWave or Ooooo?

BrainWave ships an update every 2 months, and Ooooo every 5 months. Most recently, BrainWave was updated on October 17, 2026 and Ooooo on September 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.*