IntervalTimer - Workout Timer

Naoki Otsu · Health & Fitness

Free

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What changed · US

Listing changes AppTracker has observed for this app in this storefront — new versions, price moves, rating shifts, and store copy.

Aug 26, 2026
New version 2.21.1 → 2.22.0

- The latest version includes new features, bug fixes, and performance improvements. Thank you for always using our app. We will continue to develop it with the valuable feedback from everyone. If you have any requests or encounter any issues, please feel free to contact us through "Send Feedback" in the app settings or at info@naokiotsu.com.

About

A powerful app to create and start interval timers that repeat exercise and rest periods. Perfect for weight training, stretching, Pomodoro timers, and many other activities. Packed with features including unlimited tabs, custom durations, one-tap start and stop, dark mode, biometric authentication, and more. ■ Create Interval Timers Create and start timers with your preferred number of sets and durations. ■ Organize Timers by Tab Create your own timers for each category with unlimited tabs. ■ Set Counts, Preparation, Workout, and Rest Freely configure repeat counts and durations, then start right away. ■ No Login Required Use it immediately without logging in. ■ Back and Forward Buttons Go back one step or skip ahead with a single tap. ■ Swipe to Switch Tabs Swipe left or right to switch tabs and start your timer instantly. ■ Reorder Tabs Rearrange tabs by swiping. ■ Custom Background Colors per Tab Change the background color for each tab individually. ■ Backup and Restore Save your data permanently to the cloud and restore it instantly on a new device. ■ Dark Mode Work comfortably with a beautiful dark mode that is easy on the eyes. ■ Biometric Authentication Enhance app security with biometric authentication. ■ Tab Notes Leave your favorite notes on tabs. ■ Complete Security Data is never sent externally and is completely protected within your device. ■ Offline Support Works even without an internet connection. ■ Terms of Use https://naokiotsu.com/term-of-use ■ Privacy Policy https://naokiotsu.com/privacy-policy Support info@naokiotsu.com

What's new · 2.22.0

- The latest version includes new features, bug fixes, and performance improvements. Thank you for always using our app. We will continue to develop it with the valuable feedback from everyone. If you have any requests or encounter any issues, please feel free to contact us through "Send Feedback" in the app settings or at info@naokiotsu.com.

Details

DeveloperNaoki Otsu
ReleasedMar 2026
UpdatedJul 2026
Version2.22.0
Size54.6 MB
RequiresiOS 15.1 or later
Age rating4+
LanguagesChinese, Czech, Danish, Dutch, English, French, German, Hindi, Hungarian, Indonesian, Italian, Japanese, Korean, Polish, Portuguese, Romanian, Russian, Spanish, Swedish, Thai, Turkish, Ukrainian, Vietnamese
PriceFree
Categories Health & FitnessUtilities
Bundle IDapp.web.theintervaltimer