Intertakt is an interval timer for HIIT, Tabata and rounds that keeps running with the screen off or the phone in your pocket. Countdown beeps and voice cues play over your music, and sessions survive calls and app switches without resetting. Free tier offers unlimited workouts with no ads, while a one-time Premium purchase adds unlimited custom plans, history and JSON export.
Runs with the screen off, phone face-down
Voice and beep cues over your music, independent volumes
Sessions survive calls and app switches, explicit resume
0 ads, unlimited workouts on the free tier
One-time purchase, no subscription
Home HIIT and Tabata sessions where the phone lies face-down
Gym rounds and circuits where a screen mid-set breaks the flow
Desk breaks and short mobility sessions between work blocks

Hey Fazier! I'm Vlad, and Intertakt came out of one simple annoyance: every interval timer asks for your eyes at the exact moment you can't give them. Mid-set, the phone is face-down and your hands are busy. So Intertakt is built around the screen staying off: voice and beep cues ride over your music, a session survives a phone call and resumes from the exact second, and the free tier has no workout cap. No ads mid-workout, ever, and pricing is a one-time purchase, not a subscription. The app is heading to Google Play - the waitlist and founding pricing are open now. Ask me anything about timers, hands-free training, or building solo.Interval TimerHey Fazier! I'm Vlad, and Intertakt came out of one simple annoyance: every interval timer asks for your eyes at the exact moment you can't give them. Mid-set, the phone is face-down and your hands are busy. So Intertakt is built around the screen staying off: voice and beep cues ride over your music, a session survives a phone call and resumes from the exact second, and the free tier has no workout cap. No ads mid-workout, ever, and pricing is a one-time purchase, not a subscription. The app is heading to Google Play - the waitlist and founding pricing are open now. Ask me anything about timers, hands-free training, or building solo.
Surviving a phone call and resuming from the exact second is the detail that separates this from the dozens of timers that silently reset. Question on the audio side: how do you handle the ducking when a cue fires over Spotify? On Android the difference between AUDIOFOCUS_GAIN_TRANSIENT_MAY_DUCK and a hard focus grab is very noticeable mid-set, and on iOS the mixWithOthers category decides whether the music pauses. Also, does the JSON export in Premium include the per-round timestamps or just the plan definitions?
"A timer is the last thing that needs a login" is a good rule. A question from someone who has fought this on Android: how are you keeping the session alive with the screen off, through a foreground service? Some phones (Xiaomi, Samsung, OnePlus) kill those aggressively under battery optimization. A short first-run hint to exempt the app could save you a lot of "the timer stopped" reviews.
Keeping the timer running with the screen off is the right priority, since most interval apps break as soon as the phone goes face-down. Can the voice cues announce what's next (e.g. 'round 3 of 8, burpees') rather than just counting down? For circuits that would remove the last reason to check the screen. Also, does the JSON export work for importing plans, so they can be shared between phones?

Hey Fazier! I'm Vlad, and Intertakt came out of one simple annoyance: every interval timer asks for your eyes at the exact moment you can't give them. Mid-set, the phone is face-down and your hands are busy. So Intertakt is built around the screen staying off: voice and beep cues ride over your music, a session survives a phone call and resumes from the exact second, and the free tier has no workout cap. No ads mid-workout, ever, and pricing is a one-time purchase, not a subscription. The app is heading to Google Play - the waitlist and founding pricing are open now. Ask me anything about timers, hands-free training, or building solo.Interval TimerHey Fazier! I'm Vlad, and Intertakt came out of one simple annoyance: every interval timer asks for your eyes at the exact moment you can't give them. Mid-set, the phone is face-down and your hands are busy. So Intertakt is built around the screen staying off: voice and beep cues ride over your music, a session survives a phone call and resumes from the exact second, and the free tier has no workout cap. No ads mid-workout, ever, and pricing is a one-time purchase, not a subscription. The app is heading to Google Play - the waitlist and founding pricing are open now. Ask me anything about timers, hands-free training, or building solo.
Surviving a phone call and resuming from the exact second is the detail that separates this from the dozens of timers that silently reset. Question on the audio side: how do you handle the ducking when a cue fires over Spotify? On Android the difference between AUDIOFOCUS_GAIN_TRANSIENT_MAY_DUCK and a hard focus grab is very noticeable mid-set, and on iOS the mixWithOthers category decides whether the music pauses. Also, does the JSON export in Premium include the per-round timestamps or just the plan definitions?
"A timer is the last thing that needs a login" is a good rule. A question from someone who has fought this on Android: how are you keeping the session alive with the screen off, through a foreground service? Some phones (Xiaomi, Samsung, OnePlus) kill those aggressively under battery optimization. A short first-run hint to exempt the app could save you a lot of "the timer stopped" reviews.
Keeping the timer running with the screen off is the right priority, since most interval apps break as soon as the phone goes face-down. Can the voice cues announce what's next (e.g. 'round 3 of 8, burpees') rather than just counting down? For circuits that would remove the last reason to check the screen. Also, does the JSON export work for importing plans, so they can be shared between phones?
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