Restrr vs Intervl
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Restrr
Optimize your strength training and HIIT workouts with a smart rest countdown and automatic set counter. Stay focused with customizable notifications and live activity integration. Train more efficiently and effectively.
- Smart rest countdown
- Automatic set counter
- Live Activities & Dynamic Island integration
- Customizable notifications
- Workout optimization
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Tired of guessing your rest periods and losing track of sets? Gym Timer is the essential tool for every serious athlete and gym-goer. Designed to keep your strength training, muscle building, and HIIT workouts on track, our app ensures you make the most of every second. Stop wasting time and start training with purpose. Features That Optimize Your Workout - Smart Rest Countdown: Our clear, easy-to-read rest countdown ensures you hit your next set at the perfect time, every time. - Automatic Set Counter: Focus on your reps, not your count. The app automatically tracks your sets, making your workout seamless. - Live Activities & Dynamic Island: Stay connected to your workout timer directly from your lock screen or Dynamic Island. A quick glance is all you need. - Customizable Notifications: Get notified with a sound or vibration the moment your rest period is over. You'll never miss a beat. Whether you're a beginner or a seasoned lifter, the Gym Rest Timer is the personal coach you've been waiting for. It's more than just a timer—it's your key to a more efficient, focused, and effective workout. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Intervl
This app provides a customizable interval timer for various activities like workouts, cooking, and focus sessions. It features large, readable displays, voice cues, and the ability to create and chain multiple routines. Track your progress and stay on schedule with ease.
- Customizable phase names
- Large, readable display
- Voice and beep cues
- Lock screen and Live Activity support
- Routine chaining
- Activity tracking
- Timer import/export
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Intervl is an interval timer you can read from across the room. Build any routine of repeating phases, start it with one tap, and let the cues carry you, even with your phone locked. Use it for anything that repeats • Workouts: Tabata, HIIT, EMOM, circuits and boxing rounds • Running: run and walk repeats • Stretching and breathwork • Focus and study: Pomodoro sessions • Cooking: sourdough folds, steak flips, anything on a schedule Name your own phases Work and Rest can become Stir and Simmer, Focus and Break, or Breathe in and Breathe out. Your names show on the timer, in the voice cues, on the lock screen and in the Live Activity. Read it from across the room The phase color fills the screen and the countdown is huge. "Next" tells you what's coming, and the big pause button sits right under your thumb. Cues that keep going Beeps and an optional voice keep playing when your phone is locked, alongside your music. Choose Voice, Beeps or Silent for each timer. Every timer at a glance Each timer is drawn as a strip of its phases, to scale, so you can tell a Tabata from a boxing session before reading a word. Set work, rest, rounds and sets with steppers and watch the total update as you go. Routines Play timers back to back: a warm-up, three rounds of intervals, a cool down. Put them in any order and repeat a timer as often as you like. Your week Activity shows your minutes per day, your streak and every finished session. Also • Live Activity on the lock screen and in the Dynamic Island • Open-ended timers that repeat until you stop, with your best set count • Export and import your timers • iPhone and iPad, light and dark mode, large text Free, with no ads, no account and no tracking.
Screenshots
Verdict
The clearest difference is rating: Intervl at 5.0 against Restrr's 3.0. Intervl also leads on in-app purchases (none vs 3). Restrr's advantage is update cadence (every 3 months vs every 12 months). On price, ratings volume, ads and device support 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. Restrr sells 3 in-app purchases, starting at $1.99 per month. Intervl asks for nothing beyond the download.
Intervl holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 2 and 1 respectively.
Restrr ships an update every 3 months, Intervl every 12 months. The most recent releases landed on September 24, 2026 and October 24, 2026 respectively.
| Parameter | Restrr | Intervl |
|---|---|---|
| Price | Free | Free |
| Rating | 3.0 (2 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 0.0% of reviews | — |
| Number of ratings | 2 — better | 1 |
| Update frequency | Every 3 months — better | Every 12 months |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 18.5 | 17.0 — better |
| Further details — not scored | ||
| Size | 19 MB | 8 MB |
| Age rating | 4+ | 4+ |
| Developer | Matija Gunther | Jinnius Labs Inc. |
Customer experience
Restrr
Intervl
In-app purchases
Restrr
- Monthly$1.991 Month
- Annual$8.991 Year
- Lifetime$3.99
Intervl
No in-app purchases









