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Exercise Timer

Train and rest with high intensity

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xyz.safeworlds.hiit
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Exercise Timer is a simple utility to conduct high intensity interval training. Following a short preparation period, a prescribed number of exercise sets are played. In between each exercise, there is a resting period. The app does not make an assumption about the kind of the exercise.

Features:

  • Save and recall presets containing the number of sets and the duration of the exercise, rest and preparation periods.
  • A beeping sound is played at- and prior to each transition.
  • The volume of the sound can be adjusted.
  • Light and dark mode follows the system's setting.

Screenshots

Timer - dark mode
Timer - dark mode
Exercise list - dark mode
Exercise list - dark mode
New training dialog - light mode
New training dialog - light mode
Timer - light mode
Timer - light mode

Observed history

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Upstream releases

Release notes supplied by the developer. These dates are not Flathub package publication times.

1.10.029 May 2026

Development of the application was moved from GitHub to GNOME GitLab.

Features

  • A visual indicator shows the training progress on the training page
  • Added a toast popup to undo the accidental deletion of trainings

Miscellaneous

  • Updated Flatpak runtime to GNOME 50

New translations

  • Chinese (Simplified Han script)
  • Kazakh
  • Czech
  • Romanian
  • Vietnamese

Updated translations

  • Estonian
  • Bulgarian
  • Italian
  • Interlingua
  • Turkish
  • Dutch
  • Spanish
  • Hungarian
  • Croatian
  • Swedish
1.9.14 Dec 2025

Fixes

  • Fix rest showing even when rest time is zero
1.9.028 Nov 2025

The application has been rewritten in the Vala programming language in the hope of making further development faster and easier. Existing trainings and settings should be preserved. Please open an issue upon finding bugs or inconsistencies.

Fixes

  • Fixed notification sound not playing when starting the training
  • Fixed notification sound being too quiet compared to other sounds

Miscellaneous

  • Updated Flatpak runtime to GNOME 49

New translations

  • Croatian
  • Belarusian
  • Polish

Updated translations

  • Estonian
  • French
  • Hungarian
  • Norwegian Bokmål
  • Swedish
1.8.527 Jul 2025

New translations

  • Arabic

Updated translations

  • Bulgarian
  • Dutch
  • Italian

Miscellaneous

  • Updated library dependencies