IntervalTimer Duo vs Timer | Interval
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
IntervalTimer Duo
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IntervalTimer Duo is a simple and easy-to-use interval timer app for iPhone and iPad that runs up to 10 timers in sequence. 【Key Uses】 • HIIT (High-Intensity Interval Training) • Pomodoro Technique (work and break cycles) • Cooking timing management • Stretching and yoga routines • Study and rest cycle management 【Features】 • Run your timers back to back, automatically • Build workouts with up to 10 timers — warm up, work, rest, cool down (Premium from the third timer) • Each timer adjustable from 1 second to 60 minutes • Preset feature to save and instantly recall favorite settings (1 preset free; unlimited presets: Premium) • Share presets via link — let friends import your timer setup in one tap • Set counter to track progress toward your target sets (Premium) • Audio notifications and vibration when timers end • Live Activity shows remaining time on Lock Screen and Dynamic Island (Premium) • Customizable alert sounds (extra sounds: Premium) • Simple and intuitive interface 【Preset Sharing】 • Share your favorite timer configurations via link • Recipients can import presets with a single tap • Sync routines with your team or workout partners 【Ease of Use】 • One-tap start, pause, and reset • Quick time setting with preset buttons • Visual circular progress bars show remaining time • Second timer can be enabled/disabled as needed • Set counter tracks completed sets toward your goal 【Free & Premium】 The app is free to download and use. After installing, all premium features are unlocked for a 14-day free trial. When the trial ends, premium features require a one-time purchase (pay once, use forever) — a Universal Purchase shared between iOS and macOS. Free forever: • Two timers running alternately (1 second to 60 minutes each) • One saved preset • Basic alert sounds • Audio and vibration notifications when timers end • Circular progress bar • Preset sharing via link (sending and receiving are both free) Premium (one-time purchase, or during the free trial): • A third timer and beyond (up to 10, each with its own name and sound) • Unlimited presets • Set counter • Additional premium alert sounds • Live Activity on Lock Screen and Dynamic Island 【Compatibility】 • iPhone and iPad • Available in English, Japanese, French, German, and Spanish 【Universal Purchase】 If you own the macOS version, you can use the iOS version at no additional cost. A simple yet fully-featured interval timer app that's perfect for any timing needs. Privacy Policy: https://techback.info/interval-timer/ios/privacy-policy.html Terms of Use (EULA): https://techback.info/interval-timer/ios/terms-of-use.html
Timer | Interval
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Timer | Interval is a clean, focused interval timer for HIIT, Tabata, EMOM, AMRAP, boxing rounds, HYROX, CrossFit, circuits, and gym training. Start fast with ready-made workout timers or build your own custom work/rest flow. The full-screen timer stays readable while you train, with clear audio cues, voice countdown options, and haptics so you don't have to keep checking the screen. Features: • 17 ready-made timers across HIIT, Tabata, EMOM, AMRAP, sprint, HYROX, CrossFit, boxing, and functional formats • Custom timer builder with work, rest, warm-up, and cool-down intervals • Big animated countdown display for active workouts • Landscape timer view for side-on training setups • Timer sound, voice countdown, and haptic options • Favourites for one-tap access to the timers you repeat • Dark, distraction-free interface designed for iPhone and iPad Optional Pro Upgrade: • Lifetime Pro unlock — one-time purchase, no subscription • Unlimited custom timers • Premium workout timers • Premium themes • Premium sound and haptic controls • Future Pro improvements Built for athletes who want a timer that gets out of the way and keeps them moving.
Screenshots
Verdict
The clearest difference is iOS requirement: Timer | Interval at 15.1 against IntervalTimer Duo's 26.1. On price, update cadence, ads and in-app purchases 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. IntervalTimer Duo sells 1 one-off in-app purchase and Timer | Interval sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
IntervalTimer Duo ships an update every 3 weeks, Timer | Interval every 10 days. The most recent releases landed on October 9, 2026 and October 6, 2026 respectively.
| Parameter | IntervalTimer Duo | Timer | Interval |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 weeks | Every 10 days — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Devices | iPhone, iPad, Mac | iPhone, iPad, iPod |
| Requires iOS | 26.1 | 15.1 — better |
| Further details — not scored | ||
| Size | 10 MB | 44 MB |
| Age rating | 4+ | 4+ |
| Developer | kosuke konuma | MICAH JOHN WALKER |
In-app purchases
IntervalTimer Duo
- Full Version$2.99
Timer | Interval
- Timer | Interval$2.99
Questions
Is IntervalTimer Duo free?
Is Timer | Interval free?
Do IntervalTimer Duo or Timer | Interval have ads?
Which is updated more often, IntervalTimer Duo or Timer | Interval?
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