Rainbow Noise: Sleep & Focus
Bedtime. Naps. Reading. Calm.
About
This app offers various "colors" of noise to aid sleep, focus, or staying awake. It includes a reverse alarm feature that fades noise to silence at a set time. The core functionality is available for free, with additional colors and features offered as a one-time purchase.
What's New in Rainbow Noise
1.0
July 24, 2026
Subscriptions & In-App Purchases
$14.99
Rainbow Noise+
Buy it once and the whole family gets every color.
FAQ
What is Rainbow Noise?
Rainbow Noise provides various "colors" of ambient sound designed to help with sleep, focus, or staying awake. It offers different sound profiles like white, pink, red, green, blue, violet, and grey noise, each tailored for specific uses.
Does Rainbow Noise have ads?
No, Rainbow Noise is ad-free. The developer explicitly states that there are no advertisements included in the application.
How much does Rainbow Noise cost?
The core functionality of Rainbow Noise, including white noise, is free. Additional features like the other six colors and the reverse alarm are available through a one-time purchase called 'Plus'.
Is Rainbow Noise a subscription app?
No, Rainbow Noise is not a subscription app. The developer emphasizes that it is a one-time purchase with no auto-billing trials or recurring fees.
What devices does Rainbow Noise support?
Rainbow Noise is built for iOS and currently supports iPhone. It also features native CarPlay integration for use in vehicles.
How often is Rainbow Noise updated?
The latest version of Rainbow Noise is 1.0, and it was last updated on July 24, 2026. Users who purchase 'Plus' will receive every update.
What are the benefits of the 'Plus' purchase in Rainbow Noise?
The 'Plus' purchase unlocks the remaining six colors of noise (pink, red, green, blue, violet, grey) and the reverse alarm feature. This purchase is a one-time fee and includes all future updates.
What is the reverse alarm in Rainbow Noise?
The reverse alarm in Rainbow Noise allows you to set a specific stop time for the noise. The sound will gradually fade to silence at your chosen moment, helping you wake up or transition out of a focused state.
