# Circlo vs Aural Studio

The clearest difference is update cadence: Aural Studio at fortnightly against Circlo's every 33 months. Circlo's advantage is device support (3 vs 1) and iOS requirement (9.0 vs 26.0). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Circlo ships an update every 33 months, Aural Studio fortnightly. The most recent releases landed on October 23, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | Circlo | Aural Studio |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (5 ratings)](https://appshunter.io/ios/app/circlo-ambient-clock/id523405247/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 33 months | **Fortnightly** |
| Monetization | Free | — |
| Size | 14 MB | 21 MB |
| Requires iOS | **9.0** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Johan Halin](https://appshunter.io/developer/507882387) | [Adam Horacek](https://appshunter.io/developer/479874510) |

## What reviewers say

### Circlo

[App page](https://appshunter.io/ios/app/circlo-ambient-clock/id523405247)

This app offers a unique ambient audiovisual experience with a pulsating circle display and a dynamic soundtrack that changes intensity throughout the day. Users can customize color schemes and control the music through a simple double-tap interface.

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

**Features:** macOS Compatibility

**In-app purchases:** none


### Aural Studio

[App page](https://appshunter.io/ios/app/aural-studio-soundscape-maker/id6795532490)

**In-app purchases:** none


## Frequently asked questions

### Is Circlo free?

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

### Is Aural Studio free?

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

### Do Circlo or Aural Studio have ads?

Neither Circlo nor Aural Studio shows ads.

### Which is updated more often, Circlo or Aural Studio?

Circlo ships an update every 33 months, and Aural Studio fortnightly. Most recently, Circlo was updated on October 23, 2026 and Aural Studio on October 19, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*