Ooooo1.2.0 - App Store
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Publisher Description
This is a straightforward app to help you achieve a chosen mind-state by generating what are known as "binaural beat audio waves" through your headphones, either from your iOS device or your Apple Watch.
Depending on the frequency that you pick, based on the chart included in the app, it can potentially help with sleep, meditation, relaxation, or even for getting a short burst of energy.
I have used similar apps for a while and have found them useful in helping me relax, or helping me float into a creative mood - Except most are overloaded with features that I never use and also cost money, have in-app purchases for "special programmes" and so on.
So I decided to build one that does the same, works offline, has no ads or spying, works well, and is free. There's also an Apple Watch app included which you can use if you're mediating or relaxing away from your phone.
As such, this app just generates the binaural frequency audio hum, and some optional white or brown noise to help mask outside sounds. You can then put it in the background and combine its audio with any other sound generator you like, or play music, radio, and so forth. All it does is to create the useful brainwave frequency, and then it gets out of your way.
Version History Big spring cleaning update, bringing internals up to date with the latest OS versions. 1.2.0 Jul 21 Added an ending/sleep timer. 1.1.3 10/23/2020 Correction for a display issue on iOS 12 and earlier. 1.1.2 05/08/2020 • Fixed a recent regression that stopped ooooo:// URLs from working.
• Added support for x-callback-url to help automate Ooooo. See the help text for more details.
• Built with the latest toolchain for performance and stability. 1.1.1 02/24/2020 ∙ New option to generate white or brown noise.
∙ Better handling of interruptions, like alarms, calls, or timers.
∙ Minor fixes and improvements. 1.1.0 10/21/2019 • Changes to further reduce long-term CPU/battery usage.
• Some tweaks for stability when audio configurations change. 1.0.4 11/21/2018 • Advanced users can now start, stop, and control Ooooo via a custom URL scheme - you can find complete details in "Help".
• Support for latest device screen sizes. 1.0.3 11/12/2018 iPhone X compatibility, and minor cleanups. 1.0.2 06/26/2018 Corrects an issue related to manually setting the frequency. 1.0.1 06/19/2017 1.0 06/17/2017
About Ooooo
The company that develops Ooooo is Pavlos Tsochantaris. The latest version released by its developer is 1.2.0.
To install Ooooo on your iOS device, just click the green Continue To App button above to start the installation process. The app is listed on our website since 2026-10-14 and was downloaded 0 times. We have already checked if the download link is safe, however for your own protection we recommend that you scan the downloaded app with your antivirus. Your antivirus may detect the Ooooo as malware if the download link is broken.
How to install Ooooo on your iOS device:
- Click on the Continue To App button on our website. This will redirect you to the App Store.
- Once the Ooooo is shown in the iTunes listing of your iOS device, you can start its download and installation. Tap on the GET button to the right of the app to start downloading it.
- If you are not logged-in the iOS appstore app, you'll be prompted for your your Apple ID and/or password.
- After Ooooo is downloaded, you'll see an INSTALL button to the right. Tap on it to start the actual installation of the iOS app.
- Once installation is finished you can tap on the OPEN button to start it. Its icon will also be added to your device home screen.
Program Details
System requirements
Download information
Pricing
Version History
version 1.2.0
posted on 2026-10-14
Version History Big spring cleaning update, bringing internals up to date with the latest OS versions. 1.2.0 Jul 21 Added an ending/sleep timer. 1.1.3 10/23/2020 Correction for a display issue on iOS 12 and earlier. 1.1.2 05/08/2020 • Fixed a recent regression that stopped ooooo:// URLs from working.
• Added support for x-callback-url to help automate Ooooo. See the help text for more details.
• Built with the latest toolchain for performance and stability. 1.1.1 02/24/2020 ∙ New option to generate white or brown noise.
∙ Better handling of interruptions, like alarms, calls, or timers.
∙ Minor fixes and improvements. 1.1.0 10/21/2019 • Changes to further reduce long-term CPU/battery usage.
• Some tweaks for stability when audio configurations change. 1.0.4 11/21/2018 • Advanced users can now start, stop, and control Ooooo via a custom URL scheme - you can find complete details in "Help".
• Support for latest device screen sizes. 1.0.3 11/12/2018 iPhone X compatibility, and minor cleanups. 1.0.2 06/26/2018 Corrects an issue related to manually setting the frequency. 1.0.1 06/19/2017 1.0 06/17/2017
version 1.2.0
posted on 2026-07-22
Version History Big spring cleaning update, bringing internals up to date with the latest OS versions. 1.2.0 1d ago Added an ending/sleep timer. 1.1.3 10/23/2020 Correction for a display issue on iOS 12 and earlier. 1.1.2 05/08/2020 • Fixed a recent regression that stopped ooooo:// URLs from working.
• Added support for x-callback-url to help automate Ooooo. See the help text for more details.
• Built with the latest toolchain for performance and stability. 1.1.1 02/24/2020 ∙ New option to generate white or brown noise.
∙ Better handling of interruptions, like alarms, calls, or timers.
∙ Minor fixes and improvements. 1.1.0 10/21/2019 • Changes to further reduce long-term CPU/battery usage.
• Some tweaks for stability when audio configurations change. 1.0.4 11/21/2018 • Advanced users can now start, stop, and control Ooooo via a custom URL scheme - you can find complete details in "Help".
• Support for latest device screen sizes. 1.0.3 11/12/2018 iPhone X compatibility, and minor cleanups. 1.0.2 06/26/2018 Corrects an issue related to manually setting the frequency. 1.0.1 06/19/2017 1.0 06/17/2017
version 1.1.3
posted on 2026-06-30
Version History Added an ending/sleep timer. 1.1.3 10/23/2020 Correction for a display issue on iOS 12 and earlier. 1.1.2 05/08/2020 • Fixed a recent regression that stopped ooooo:// URLs from working.
• Added support for x-callback-url to help automate Ooooo. See the help text for more details.
• Built with the latest toolchain for performance and stability. 1.1.1 02/24/2020 ∙ New option to generate white or brown noise.
∙ Better handling of interruptions, like alarms, calls, or timers.
∙ Minor fixes and improvements. 1.1.0 10/21/2019 • Changes to further reduce long-term CPU/battery usage.
• Some tweaks for stability when audio configurations change. 1.0.4 11/21/2018 • Advanced users can now start, stop, and control Ooooo via a custom URL scheme - you can find complete details in "Help".
• Support for latest device screen sizes. 1.0.3 11/12/2018 iPhone X compatibility, and minor cleanups. 1.0.2 06/26/2018 Corrects an issue related to manually setting the frequency. 1.0.1 06/19/2017 1.0 06/17/2017
version 1.1.3
posted on 2020-10-23
Oct 23, 2020 Version 1.1.3
Added an ending/sleep timer.
version 1.1.3
posted on 2020-10-23
Added an ending/sleep timer.
Disclaimer
Official App Store Link
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