Right! It's FREE! FOREVER!

ChaoTimer is a professional cube timer for speedcubers with neat design. Without any buttons in the timer tab, ChaoTimer supports different gestures to delete last solve, reset sessions, change scramble types, etc. It supports all kinds of WCA scrambles.

- Scramblers for All WCA official puzzles and some unofficial puzzles.
- Random state scrambles for 3x3x3, 2x2x2, Pyraminx and SQ1.
- Stats calculation. Shows session average, session mean, average of 5/12/100, best time and worst time.
- The perfect session management experience, remember all your solves.
- 7 themes, the most beautiful cube timer ever!
- Neat design. Support different gestures.
- WCA inspection.
- Add penalty for current solve.
- Delete any solve you don't want.
- Copy any scramble to pasteboard.
- Post your stats to social media, share with your friends!
- Fast timing from your notification center with the widget. (Only Support iOS 8)
- Copy your results to pasteboard, and you can paste it to anywhere, easy for weekly competition.

More features are coming soon!

What’s New

Version 3.2.1

Minor bug fixed.

Ratings and Reviews

4.8 out of 5
1.6K Ratings

1.6K Ratings

Cheezeyyy ,

Solid timer with some complaints

K this timer is amazing don’t get me wrong, but I have some issues with it that I wished that can be fixed and suggestions that could be added in a later update. So I have experienced only one major bug that infuriates me so much, and that would the occasional error of the timer not stopping after tapping the screen. Then when I exit and renewer into the app I get a dnf, which I then have to delete the dnf and then type in the time, which leads to my next problem. The typing in times feature is not good but not bad either. Like you can’t even use decimal points so I have to put like 11 for a 11(.)99 or something so please fix that. but for a suggestion I would maybe like a way to use stack at with a phone and maybe even a way to make an account for the timer when getting a new phone or just switching to like an iPad. So overall, it is a great timer with some very minor faults so I will confidently give this timer a 9/10 just because the typing and timer counting issue.

Pehz63 ,

Great timer with a lot of features, but buggy.

I love how the timer works, I love the scramble options and the profiles, I love the way it organizes the solve times and how you can save an image of your times, and I love how it is organized and looks good.
But I really really wish they'd take a week to fix all the bugs, because there are plenty. It doesn't ruin the app, it just adds a tiny bit of hassle every few dozen solves. It used to work perfectly fine for me, but maybe just because I have 24k solves saved it's slowed down a lot. Takes a couple seconds to move to the solve times tab, takes like 30 seconds to save an image of the solves (and I have to go home and reopen the app for it to load it) and sometimes the timer just won't stop, requiring you close the app fully, reopen, and delete the solve.
But otherwise, I tried the other timers and none of them seemed to have everything I liked about this timer, so I do recommend. And none of these issues occurred before I had 24k solves so maybe I won't have an issue if I just purged my times every once in a while.

cool boys 27 ,

Solid app

I was looking at the reviews, and I saw a lot of people talking about it randomly adding +2 penalties to their time. They were also saying that it was difficult to use and it didn’t save your individual times.
Well, when you open the app, go to the help section, it gives you directions on how to add times manually, delete your last time, and add +2 penalties, which, incidentally is added by double tapping the screen, so that was (probably) the cause of the “random” time penalties. Also, to see your individual solves, you just have to click on the session average in the stats tab and voila, it shows you all your times (for that session). The timer works, it gives you scrambled, and it has WCA inspection. It has 2x2-7x7 , square one, Megaminx, Pyraminx, clock, skewb, gear, and 3x3 subsets scramble, with options as to how “presolved” you want the cube to be for if you want to practice a particular part of the solve. The interface is IOS 8, but the app works on my iPhone SE, so 5 stars.


Jichao Li
3.3 MB

Requires iOS 7.0 or later. Compatible with iPhone, iPad, and iPod touch.


English, Simplified Chinese

Age Rating


  • Family Sharing

    With Family Sharing set up, up to six family members can use this app.

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