Routine Interval Timer - DDANG

Repeat workout and focus time in sets.

DDANG is a routine interval timer that connects repeating blocks of time
through sound and vibration for workouts, stretching, and focus routines.

Use it for hold exercises like planks, wall sits, and dead hangs,
short stretching routines,
or repeated focus/rest cycles.
Set duration / rest / sets freely for your routine.

You do not have to keep looking at the screen.
DDANG uses short sound effects and haptic feedback
to signal the start, transitions, the final set, and completion.


■ Made for

· People who want to repeat workout time in sets
· People doing hold exercises like planks, wall sits, and dead hangs
· People alternating focus time and rest time
· People who want to keep routines going without checking the screen
· People who want to see routine records and streaks at a glance


■ Main features

· Free-text labels - save timers as 'plank', 'stretching', 'focus', or anything you like
· Time-based intervals - set duration / rest / sets freely
· Start countdown - set preparation time before the routine starts
· Sound + haptic cues - short cues for start, transitions, final set, and completion
· Background operation - get cues even when the screen is off or locked
· Bluetooth / AirPods - works naturally with wireless earphones
· Calendar heatmap - see completed routine days at a glance
· Streak count - visually track daily repetition
· Backup / restore - bring your records to a new device


■ No need to keep watching the screen

Short sound effects and vibration tell you what to do next.

· Start countdown - tick sound + light vibration every second
· Progress → rest transition - short transition sound + vibration
· Before rest ends - signal to prepare for the next set
· Final set start - distinct final-set cue
· Complete - completion melody + vibration

All cues are short.
Because DDANG uses sound effects instead of voice guidance,
it is less distracting while listening to music and helps keep your flow
during workouts or focus sessions.


■ The calendar keeps your routine going

Completed routines stack up on a calendar heatmap.
Even one set in a day keeps your streak going,
turning small repetitions into a visible record.

Records are handled on your device.
Routine records are not sent to a server.
When you need a backup, export and import a ZIP file yourself.


■ Pricing

· Basic use - free
· Remove ads - remove ads with an in-app subscription


■ Privacy

· Routine records, calendar, and favorites are stored on-device
· No user account / no login
· Ads and payment SDKs operate according to their own standard policies

Workout or focus.
Repeat your time in sets.

Recent changes:
- Rename work and rest labels to match your routine.
- Added a toggle to turn rest intervals on or off.
- Added lock, previous, and next controls to the timer screen.
- Added a monthly calendar view alongside the existing heatmap calendar.
- Add a note after completion and view it in history details.