Interval Timer Pro4.2.1 - App Store

We’re proud to introduce this handy little app that helps you keep track of your work and rest periods during workouts. Whether your into cycling, running, lifting weights, exercise, workout, stretching, boxing, MMA or HIT, this interval timer will prove to be an invaluable asset to you.

Running foreground, background or with device locked, this reliable app allows you specify an overall time as well as program High/Low intensity interval and rest time between sets.

Key Features:
- Customizable sets, high/low intensity interval and rest for your own need
- Retina display, iOS4 and multitasking
- Continue to run even when screen is locked
- Play your song or playlist during your workout
- Post your workout to Facebook or Twitter
- Save settings as templates

Customizable Features:
- Number of Sets
- Countdown Time
- Set Time
- Low Interval time
- High Interval time
- Rest Time
- First Interval (low or high)
- Sound Volume
- Timer Sounds
- Auto Lock
- Vibrate
- Pause during Rest
- Playlist
- New Each Set

Version History Bug fixes 4.2.1 Jan 14 Bug fixes in iOS13 4.2.0 10/16/2019 Fixed crash in iOS13 4.1.9 09/26/2019 - Fixed issue where music not working in iOS 12.3.1
- Fixed issue where alert may not working in background 4.1.8 06/14/2019 Fixed an issue where the app could not play alert when running in the background. 4.1.7 03/12/2019 Reduce power consumption and performance improvements. 4.1.6 02/12/2019 -Acoustically optimized during the activity. 4.1.5 11/29/2018 - Compatible with iOS 12
- Minor bug fixes 4.1.4 10/01/2018 - Stability improved 4.1.3 08/13/2018 - Fixed an issue on iOS 11.3
- Support play music in random order 4.1.2 04/14/2018 - Crash fixes
- Fixed music issue
- Minor bug fixes 4.1.1 01/23/2018 - Optimized for iOS11 & iPhone X
- Add new alert sound
- Fixed issue that may skip numbers
- Lower music when timer alert
- Support turn off the end sound
- Minor bug fixes 4.1.0 01/19/2018 - Add start/stop button in landscape mode
- UI/UX enhancements
- Minor bug fixes 4.0.0 08/11/2017 - Support custom color for each interval
- Reduces power consumption
- Minor bug fixes 3.0.3 05/26/2016 - Refines user interface for iPhone 6 and iPhone 6 Plus
- Minor bug fixes 3.0.2 10/10/2014 - Optimizes with iOS 8
- Minor bug fixes 3.0.1 09/23/2014 - New user interface
- Supports to track exercise logs
- Minor bug fixes 3.0 09/09/2014 - Improves compatibility with iOS
- Minor bug fixes 2.5 09/21/2013 - Supports iPhone 5
- Minor bug fixes 2.4 02/08/2013 === V2.3 ===
- Supports default prompt sound of each step
- Supports the feature to play a sound when routine finished
- Fix the bug that the music turns down when app running in background
- Fix the bug that shows wrong info on sound picker

=== V2.2 ===
- Bring back the function "Rest"
- Support complex interval
- Provide the way to control volume in app
- Provide portrait mode for iPad
- Support recurring cycles in simple mode

=== V2.0 ===
- Provide iPad version, 2 apps in one
- Newly designed UI and layout
- Provide the feature to lock screen
- Fix the bug of Facebook connection
- Fix the bug that can not go back to the main view
- Minor bug fixes 2.3 09/17/2012 === V2.2 ===
- Bring back the function "Rest"
- Support complex interval
- Provide the way to control volume in app
- Provide portrait mode for iPad
- Support recurring cycles in simple mode

=== V2.0 ===
- Provide iPad version, 2 apps in one
- Newly designed UI and layout
- Provide the feature to lock screen
- Fix the bug of Facebook connection
- Fix the bug that can not go back to the main view
- Minor bug fixes 2.2 07/27/2012 === V2.0 ===
- Provide iPad version, 2 apps in one
- Newly designed UI and layout
- Provide the feature to lock screen
- Fix the bug of Facebook connection
- Fix the bug that can not go back to the main view
- Minor bug fixes 2.0 06/23/2012 === v1.3 ===
FIXED
-Facebook login issue
-Other minor bug fixes 1.3 04/08/2011 - Minor bug fixes 1.2 12/03/2010 - Facebook and Twitter supported
- Minor bug fixes 1.1 11/05/2010