Bit Timer - Interval Timer 4+

HIIT, Tabata, and Crossfit

Peiter Buick

Designed for iPad

    • 4.7 • 382 Ratings
    • Free
    • Offers In-App Purchases


A Delightfully Simple Interval timer designed to quickly get you off your phone or watch and into your work out. Perfect for: HIIT, Crossfit, Tabata, Circuit Training, Boxing, Running or any other type of interval training.

"Bit Timer promises to be the 'World’s Simplest Interval Timer Ever.' It is." - Fast Company Design.

---- Super Simple Set up. ----
Get to your workout in no time with a clean, simple, no-frills design. Quickly set work, rest, and repeat intervals.

---- Distinct tones and colors that guide you through your workout. ----
Clear, easy-to-distinguish tones for each portion of your workout.

---- HealthKit Integration (watchOS) ----
Close those rings! Automatically saves your workouts.

---- Works in the background.----
Lock your phone, navigate to other apps and stay up-to-date via sound and haptics.

---- Favorites ---- 
let you save and sync times across your iPhone, iPad and Apple Watch for quick access.

Additional Features:
- Press and Drag to quickly set Work, Rest, and Repeat.
- 10 second countdown allows you to get into place before your workout starts.(3 sec on Apple Watch)
- Three distinct sounds to designate where you are in your workout.
- Countdown tone gives warning before Work starts.
- Pause your workout at any time and restart right where you left off.
- Reset your workout at at time if you were interrupted and want to start from the beginning.

- - - - -
Privacy Policy:
Terms of Service:
End User License Agreement:

What’s New

Version 3.1.0

Favorited Timers.
- Our single biggest features request. Easily save timers on as favorites for quick access. Requires Bit Timer Pro subscription.

iCloud Sync
- Favorites are synced across all your devices using iCloud. Save a favorite on your phone, access it on your Apple Watch or iPad (requires signing in with the same iCloud account)

Ratings and Reviews

4.7 out of 5
382 Ratings

382 Ratings

Prince_Jellyfish ,

Great Timer

The best tabata/interval timer for iOS. Great design, fast and straightforward. The sounds are simple and polished without being stupid.

I'd absolutely love it if the designer were able to add a super simple, super clean, totally optional way to save a few routines as presets. I love the clean, simple interface; but I find myself frequently fiddling with the times throughout my workout, which over the course of months, begins to feel a little frustrating. Wish there was some simple, elegant way to add this without compromising the clean interface, because it would add a bunch of functionality.

Aside from this common complaint, the app is great. Five stars!

LJamesy45 ,

Updates missed some basics

I have loved this app for years and use it for AMRAP time as well as intervals. Since the update the max ‘work’ time has lowered to 6:00minutes. I can no longer do 12m workouts without making a work-around. Minor inconvenience. What is the most upsetting with the update is I can’t leave the app open and watch time any longer because it significantly reduces the music volume. Really disappointing. It’s not clear if a subscription fixes the volume issue like it would the work time limits. I can’t imagine needing 60 repeats 😂 but they added that in.

Developer Response ,

Thanks for the feedback and long time support!
Re: reduced audio volume from other apps - we've tracked the issue down and expect to ship an update shortly to alleviate the problem.

UPDATE: v3.0.2 went live today and it should address the audio volume issue. If not, please let us know so we gan figure out whats going on.

SarahCPT ,

Go to Personal Training Interval Timer

I’ve used BIT Timer for a number of years now. It is easily customizable and includes great visuals and audios to differentiate work and rest bouts. The dings make it easy to hear change in time even over streamed music. Even with poor eyesight the entire screen is either green while working or red while resting. It is very intuitive!! This app is a must have for personal training, individual workouts and even for timing tasks with students in the classroom. Great app to have!!!

Developer Response ,

Thanks for sharing your feedback! Glad you've found it to be intuitive and helpful.

App Privacy

The developer, Peiter Buick, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy.

Data Not Linked to You

The following data may be collected but it is not linked to your identity:

  • Purchases
  • Usage Data

Privacy practices may vary, for example, based on the features you use or your age. Learn More


  • Family Sharing

    Some in‑app purchases, including subscriptions, may be shareable with your family group when Family Sharing is enabled.

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