Circadia official icon

Circadia

By Simple Machine, LLC · iPhone · iPad

4.6 (10.6K)4+FreeAvailable now

Tap dots and make all the rings hit the white dot at once. Simple? Sure, keep telling yourself that. Try it and see for yourself. STORY: In 2011 Circadia was the first big hit game from Simple Machine, makers of Pop the Lock, Calculator: The Game, and _-_. Circadia went on to become a Starbucks App of the Week and gathered a bunch of great fans. Tr

US
TAKE A LOOK AROUND

Inside the game.

Official screenshots supplied through Apple. Artwork belongs to the respective developer. Download on theApp Store ↗

FIND YOUR KIND OF PLAY

Before you play.

Game style
Puzzle · Music
Platforms
iPhone · iPad
Languages
EN
Download size
108 MB (store snapshot)

Check the official page for current availability, supported devices and any in-game purchases.

ANSWERS FOR YOUR FIRST SESSION

Circadia gameplay guide and player questions

App Store edition · Researched Nov 3, 2026 · Guide updated Nov 3, 2026.

Source facts

What is the primary objective of Circadia?

The core objective in Circadia is to tap dots in a way that causes all the rings to strike the central white dot simultaneously. This requires precise timing and coordination to ensure every ring hits the target at the exact same moment.

Based on source 1.

Our guidance

How should I approach the game's difficulty during my first session?

While the game appears straightforward, you should approach it with caution. Do not underestimate the challenge, as the developer suggests that the simplicity is deceptive and you will need to test your skills to truly understand the game's actual difficulty level.

Based on source 1.

Source facts

What is the fundamental mechanic used to control the game?

The fundamental mechanic for interacting with Circadia involves tapping dots on the screen. You must utilize this tapping action to manipulate the rings and successfully guide them toward the white dot to complete the game's various challenges.

Based on source 1.

Sources & scope

  1. Publisher description on the US App Store ↗Checked Nov 3, 2026

AI-assisted research with automated evidence and consistency checks. Good Game Daily organizes publisher information into practical answers. Guidance is an editorial interpretation of those sources. These notes are based on source research rather than a firsthand playtest; editions and later updates may differ.

YOUR NEXT STEP

Prepare your Apple device before downloading

For Circadia · App Store edition.

  1. Apple lists iPhone and iPad support and minimum OS version 8.0. Open Compatibility on the App Store to check your exact device.
  2. The listed app download is 108 MB. Installation and additional in-game content can require more space; check storage and a suitable connection before starting.
  3. The US storefront snapshot lists the app as free to download. Check the current listing for in-app purchases, subscriptions and any ads; a zero download price does not establish that all content is free.
  4. English appears in the App Store language list. The listed age rating is 4+ for this storefront. Check the current language and content details if these affect your choice.

Decision guide updated 2026-10-29. Based on the publisher listing checked 2026-11-03; this is not a firsthand review.

What’s new in 2.1.

Small tweaks and changes

Release notes supplied by the developer through the App Store.

About Circadia

Developer description, as provided in the original store listing.

Tap dots and make all the rings hit the white dot at once.

Simple?

Sure, keep telling yourself that.

Try it and see for yourself.

STORY:
In 2011 Circadia was the first big hit game from Simple Machine, makers of Pop the Lock, Calculator: The Game, and _-_. Circadia went on to become a Starbucks App of the Week and gathered a bunch of great fans.

Try it and see how it inspired our path of making unique and innovative games.

And to our fans, ESPECIALLY the ones who downloaded Circadia way way back in the day. Thank you for supporting us and sticking with us. We love making games for you and will continue to!

This one is for you!

Good to know.

Developer
Simple Machine, LLC
Release date
Feb 18, 2012
Latest version
2.1
Requires
iOS 8.0 or later
Price snapshot
Free USD
Source checked
Nov 3, 2026

Apple App Store lookup ↗ · Store ratings, prices, and availability can change. Check the App Store for your region.

A few quick answers.

Is Circadia available on iPhone?

Circadia is listed on the US App Store. Availability varies by region and compatible device.

Is Circadia free?

The recorded download price is free. In-app purchases, subscriptions, or additional content may cost extra. Source checked Nov 3, 2026.

How is the game’s social activity measured?

Good Game Daily compares available samples of recent game mentions with the preceding 24-hour window. Coverage and source failures are disclosed. Read the methodology.

FROM THE COMMUNITY

Let’s talk Circadia.

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