# Circlo — Ambient Clock

> Ambient audiovisual clock with dynamic music and pulsating circle display. (iPhone/iPad app by Aero Deko.)

- Source: https://appshunter.io/ios/app/circlo-ambient-clock/id523405247 (this page in markdown: same URL + `.md`)
- Developer: [Aero Deko](https://appshunter.io/developer/507882387)
- Category: Music, Utilities
- Price: Free
- Rating: 5.00/5 from 5 App Store ratings · 3 written reviews indexed
- Age rating: 4+
- Requires: iOS 9.0 · 14 MB
- Languages: American English
- Released: 2012-05-06
- Data updated: 2026-06-05
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/circlo-ambient-clock/id523405247/reviews.md

## What is Circlo?

Circlo is an ambient audiovisual clock. The ambient soundtrack by Hannu Kuosmanen changes depending on what time of day it is while the circles on the screen pulsate gently. The music is at its calmest around 1 am/pm, and gets more intense until the clock strikes 1 again. 

Double-tap anywhere to access the settings screen where you can change the color scheme and turn the music on or off. 

Design and programming by Johan Halin. 
Music by Hannu Kuosmanen. 

--- 

Johan Halin has also created Kontrol, an experimental techno composition that was shown in 2011 at the Museum of Modern Art in New York as part of the "Talk to Me" exhibition, and Revolve, an ambient reaction game.

## Key features

- Ambient audiovisual clock
- Dynamic soundtrack
- Pulsating circle display
- Customizable color schemes
- Music on/off toggle
- Intuitive double-tap controls

## Recent user reviews (3 of 3)

All indexed reviews: https://appshunter.io/ios/app/circlo-ambient-clock/id523405247/reviews.md

### 5/5 — Amazing invention.

*2017-09-22*

Thank you for sharing your talents with us!

### 5/5 — Very happy much yay

*2016-12-08*

I love circlo! I wish it could be my lock screen

### 5/5 — You out Eno'd Eno! Well bloody done.

*2013-03-26*

Last bits of sun through heavy winter clouds in Notting Hill and Circlo fills the space brilliantly. Can work to this easy peasy.

## Frequently asked questions about Circlo

### What is Circlo?

Circlo is an ambient audiovisual clock that features a pulsating circle display and a dynamic soundtrack composed by Hannu Kuosmanen. The music's intensity changes based on the time of day.

### How do I access the settings in Circlo?

You can access the settings screen in Circlo by double-tapping anywhere on the screen. From there, you can change the color scheme and toggle the music on or off.

### What devices is Circlo compatible with?

Circlo is compatible with iPhone, iPad, and iPod devices. It was released on May 6, 2012, and the latest version is 1.1, last updated on September 22, 2017.

### What is the age rating for Circlo?

Circlo has an age rating of 4+, making it suitable for a wide range of users. The app is free to download and does not contain in-app purchases or advertisements.

### Does Circlo have ads?

No, Circlo is completely ad-free. The developer, Aero Deko, has not included any advertisements in the application, allowing for an uninterrupted ambient experience.

### What is the user sentiment for Circlo?

Based on the available data, Circlo has received a perfect rating of 5.0 stars from 5 ratings, indicating very positive user sentiment. Users likely appreciate its unique concept and execution.

### How often is Circlo updated?

Circlo was last updated on September 22, 2017, to version 1.1. While it has not received recent updates, its core functionality as an ambient clock remains stable.

### Can I turn off the music in Circlo?

Yes, you can easily turn the music on or off within Circlo. Access the settings by double-tapping the screen, and you will find an option to control the music playback.

## Version history (last 3 releases)

### 1.1 — 2017-09-22

This app has been updated by Apple to display the Apple Watch app icon.

- Support for more devices.
- 64-bit support.

### 1.0.2 — 2012-09-26

iPhone 5 compatibility.

### 1.0.1 — 2012-05-05

No release notes.

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## More apps by Aero Deko

- [Intergalactic FM — IFM](https://appshunter.io/ios/app/intergalactic-fm-ifm/id541440061)
- [Deko — Beautiful Wallpapers](https://appshunter.io/ios/app/deko-beautiful-wallpapers/id582647344)
- [Conform](https://appshunter.io/ios/app/conform/id664574539)
- [Soi](https://appshunter.io/ios/app/soi/id986051970)
- [Contrast — A Playground for Sound](https://appshunter.io/ios/app/contrast-a-playground-for-sound/id1019176648)

All apps by Aero Deko: https://appshunter.io/developer/507882387

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-05.*