Routine Interval Timer vs Infinity Tempo
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Routine Interval Timer
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Repeat your workouts and focus sessions in timed sets. DDANG is a routine interval timer that keeps workouts, stretching, and focus sessions moving with short sounds and haptic cues. Set your work time, rest time, and number of sets for routines such as planks, wall sits, dead hangs, stretching, or alternating periods of focus and rest. For repeated movements, set a target count and tempo (BPM). DDANG plays cues at consistent intervals to help you keep your rhythm without losing count. You do not need to keep looking at the screen. Short sounds and haptics tell you when to start, switch phases, prepare for the end, begin the final set, and complete the routine. ■ Made for people who want to · Repeat workouts in timed sets · Train with planks, wall sits, dead hangs, and other holds · Keep count during stretching and repeated movements · Alternate between focus and rest · Continue without constantly checking the screen · Review daily activity and streaks · Record workout heart rate with a compatible watch ■ Main features · Custom labels Save routines with names such as “Plank,” “Stretching,” or “Focus.” · Time-based intervals Set work time, rest time, and the number of sets. · Start countdown Choose your preparation time before a routine begins. · Sound and haptic cues Receive brief cues for starts, transitions, final sets, and completion. · Remaining-time cues Choose when to be notified before a work or rest phase ends. · Repetition counter Set a target count and tempo (BPM) for repeated movements. · Recommended templates Quickly start routines such as planks, wall sits, and dead hangs. · Tags Organize routines by workout, study, stretching, or your own categories. · Statistics and calendar Review active time, completed sets, active days, and streaks. · Backup and restore Export your data and restore routines and records on another device. ■ Use DDANG with your watch Install DDANG on a compatible watch to sync timers created on your phone and start workouts from your wrist. · Sync timers created on your phone · Start workout timers from your watch · Configure haptics, sounds, and in-app touch lock · Record heart rate during phone-started workouts · Sync watch-completed workouts back to your phone · Review average, minimum, and maximum heart rate · See heart rate trends for each workout set Heart rate recording requires a supported watch and the appropriate permissions. Available features may vary by platform and watch model. Heart rate information provided by DDANG is intended only as a workout reference. It is not intended for medical diagnosis or treatment. ■ Keep moving without watching the screen · Start countdown: a light tick and haptic each second · Work → rest: a short transition sound and haptic · Remaining time: cues before a phase ends · Repetition counter: rhythmic cues at your selected BPM · Final set: a distinct final-set signal · Completion: a short melody and haptic Every cue is brief. DDANG uses short effects instead of spoken instructions, so it works comfortably with music without interrupting your workout or focus. ■ Records and privacy Completed routines are saved to your statistics and calendar. Review active time, completed sets, active days, and streaks, or use tags to organize your history. Routines, calendar entries, favorites, and heart rate records are stored on your devices. Heart rate recorded by your watch is transferred directly to the connected phone and is not sent to DDANG servers. Exported backup files may include workout and heart rate records. No user account or sign-in is required. Advertising and purchase SDKs operate separately under their respective policies. ■ Pricing · Basic use: Free · Ad removal: Monthly subscription or lifetime purchase For workouts and focus. Repeat and record your time in sets and beats. Terms of Use (Apple Standard EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Infinity Tempo
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∞ Tempo is an interval timer with a pulse - for training, focus, and the kitchen. Completely free, with nothing to buy. Every rep traces the loop in the colour of the moment: green to work, amber to rest. Start a timer on your iPhone and your Apple Watch keeps the beat, on its own - with your live heart rate echoed back to the phone. WORK, REST, REPEAT - WITHOUT LOOKING Spoken announcements or clean beeps mark every interval, and a 3-2-1-GO count-in starts every run - with haptics on your wrist at every turn. Keep your eyes on the work, not the screen. BUILT FOR WHATEVER YOU COUNT Rounds of Tabata, a minute per tai chi form, a 25-minute focus block, a soft-boiled egg. Each timer carries its own icon, cues, and behaviour, so it does exactly the right thing when you press play. Four come built in - build the rest, reorder with a long press, and every timer follows to your wrist. ON YOUR WRIST, ON ITS OWN The Apple Watch app runs independently and syncs your timers automatically. Sports timers hold a workout session so they never sleep mid-rep - and can record the workout, your heart rate, and Activity ring credit to Apple Health. Complications put your timers right on the watch face. EVERYWHERE YOU GLANCE A Live Activity keeps the countdown on your Lock Screen and in the Dynamic Island - background the app and the timer runs right on. Home Screen and Lock Screen widgets start a timer in a tap, there's a button for Control Center, and Siri starts any timer by name. SHARE A TIMER AS A LINK Send any timer to a friend as a plain link - from the timer list or right from a run. It opens straight in their Tempo, or shows a preview in the browser first. The timer travels inside the link itself: no account, no upload. MADE YOUR WAY Seven themes - including Pride - each with a matching app icon that switches with it. Spoken voices or musical beep sets. Per-timer audio, haptics, and get-ready overrides. NOTHING LEAVES YOUR PHONE No accounts. No analytics. No ads. No servers. Your timers and settings live only on your devices; iPhone-to-watch sync happens directly between them using Apple's frameworks. Optional Health data stays in Apple Health and never leaves your devices. Even a shared timer is encoded in the link itself - no server ever sees it. Find your tempo.
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Verdict
The clearest difference is in-app purchases: Infinity Tempo at none against Routine Interval Timer's 3. Infinity Tempo also leads on ads (none vs shown). Routine Interval Timer's advantage is update cadence (every 2 weeks vs monthly). On price, device support and iOS requirement there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Routine Interval Timer sells 3 in-app purchases, starting at $0.99 per month. Infinity Tempo asks for nothing beyond the download.
Routine Interval Timer ships an update every 2 weeks, Infinity Tempo monthly. Both last shipped on October 11, 2026.
| Parameter | Routine Interval Timer | Infinity Tempo |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 weeks — better | Monthly |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Devices | iPhone, iPad, Apple Watch — better | iPhone, Apple Watch |
| Requires iOS | 16.1 — better | 17.0 |
| Further details — not scored | ||
| Size | 73 MB | 20 MB |
| Age rating | 4+ | 4+ |
| Developer | sang woon kim | Sonic Studio s.r.o. |
In-app purchases
Routine Interval Timer
- Remove Ads – Monthly$0.991 Month
- Lifetime Ad Removal 30% Off$10.49
- Lifetime Ad Removal$14.99
Infinity Tempo
No in-app purchases





