INTVL vs Exercise Timer Resero
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
INTVL
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INTVL is the interval timer built for athletes who demand precision. Whether you're crushing a HIIT session, powering through Tabata rounds, or timing your boxing drills — INTVL keeps you in the zone with clear audio cues, voice coaching, and haptic feedback so you never miss a beat. PRECISION TIMER Frame-perfect countdown with color-coded intervals. Large, high-contrast display visible from across the room. Loud audio cues that cut through gym noise. Haptic vibrations so you can feel every transition. Background mode keeps the timer running even when your phone is locked. DRAG & DROP WORKOUT BUILDER Design custom workout sequences with an intuitive drag & drop interface. Add work, rest, prepare, and cooldown phases. Set rounds, adjust durations, and preview your total workout time — all before you start. Save unlimited presets for your favorite routines. VOICE COACH Built-in voice coaching announces interval changes, countdowns, and motivational cues. Adjustable speech rate and language-aware — speaks in your device language. Train without looking at your screen. WORKOUT LIBRARY Browse preset workouts across HIIT, Tabata, Cardio, Strength, and Yoga categories. Filter by intensity level and duration. Start any workout in seconds, or use presets as templates to customize. QUICK SETUP Not ready for the builder? Use Quick Setup to configure work time, rest time, and rounds in 3 taps. Perfect for simple interval sessions. ANALYTICS & STREAKS Track your workout history with detailed stats. See calories burned, total work time, and rounds completed. Maintain consistency streaks and visualize your weekly training trends. Stay motivated with insights into your progress. DESIGNED FOR FOCUS Pure black OLED-optimized interface designed for zero distraction during intense training. Color-coded phases — green for work, blue for rest, yellow for prepare, orange for cooldown — let you know what's coming at a glance. BUILT FOR EVERY ATHLETE Perfect for HIIT, CrossFit, Tabata, boxing, MMA, circuit training, running intervals, cycling, rowing, yoga flows, stretching routines, and any activity that needs precise timing. INTVL PRO Unlock the full experience with a free trial: • Unlimited custom timer presets • Full workout library access • Advanced analytics and insights • Priority support Download INTVL and take control of your training. Your next personal best starts now. INTVL Pro – Yearly Subscription - Full access to all features - Unlimited interval workouts & custom timers - Auto-renews yearly – cancel anytime in iPhone Settings Privacy Policy: https://intvltimer.app/privacy-policy Terms of Use (EULA): https://intvltimer.app/terms-of-use
Exercise Timer Resero
This app provides a customizable interval timer for various workout types, including HIIT, Tabata, and EMOM. It offers a workout library, progress tracking, and integration with Apple Health and Apple Watch for detailed analytics.
- Customizable interval workouts
- Workout library
- Progress calendar
- Apple Watch integration
- Apple Health sync
- Rep-based intervals
- Ad-free experience
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No control. Outdated design. Ads everywhere. Sound like your current timer app? Resero is the one exercise timer you need, from a quick 10-minute home workout to fully custom training. Resero is modern, clean and built to grow with you. Squeeze in a short HIIT session in your living room, or take fine control over every rep, set and round the way athletes and coaches do. Your goals won't wait, so why should you? EVERYTHING YOU NEED IN ONE APP A Timer That Just Works: Big, clear and easy to read from across the room, in portrait or landscape on iPhone and iPad, for HIIT, Tabata, EMOM, circuits and much more. Your Own Routines: Build workouts from scratch and set every interval, rep, set and rest period exactly how you train. A Workout Library for Every Level: Ready-to-go workouts from beginner to pro. Pick one and start in seconds, or tweak it to fit you. NEW! Workout Analytics with Apple Watch: See your heart rate zones, training load and recovery after every session, so you know exactly how hard you worked. Your data stays on your device, private to you. Requires an Apple Watch paired with your iPhone. Apple Health and Apple Fitness: Your workouts are saved to Apple Health and count toward your Activity Rings when you train with iPhone and Apple Watch. Good to know: Analytics, Apple Health and the Apple Watch app need an iPhone with a paired Apple Watch. On iPad, you get the timer, library, custom workouts, sub-timers and progress calendar. Resero stands for REps, SEts and ROunds, the building blocks of every workout. WHY YOU'LL KEEP USING IT Apple Watch App: Start, pause and skip intervals from your wrist, with live heart rate and calories. Sub-Timers and Rep-Based Intervals: Count reps instead of seconds. Swap 60 seconds of push-ups for 12 push-ups at your own tempo: 1s down, 2s hold, 1s up. Resero guides you through every rep for perfect tempo control. Plays Nice with Your Music: Resero lowers your music during cues, then brings it right back. Runs in the Background: Change a song or answer a text without stopping your timer. 100% Ad-Free: No pop-ups, no banners, no interruptions mid-workout. Progress Calendar: Every session is logged automatically, so you can watch your progress grow week by week. Made for Sweaty Hands: Big buttons you can hit mid-workout without looking twice. BUILT FOR EVERY DISCIPLINE HIIT & Tabata: Set your work-to-rest ratios and go. EMOM & Circuit Training: For solo sessions or leading a group class. Boxing, Kickboxing & MMA: Custom round lengths, rest periods and warning bells. Strength & Calisthenics: Exact rest countdowns between your sets. Running, Pilates & Yoga: Simple intervals for runs, holds and flows. HOW IT WORKS No gym? No time? No plan? No problem. 1) Pick a workout from the library or build your own. 2) Train hands-free on your iPhone, iPad or Apple Watch. 3) Check your stats and watch your progress grow. Every fitness journey starts with one workout. Make yours today, even if it's just 10 minutes at home. Resero times every interval, so all you have to do is show up. Download Resero, because your best shape starts now, one workout at a time. --- Terms of Service: https://www.reseroapp.com/en/terms-of-service/ Privacy Policy: https://www.reseroapp.com/en/privacy-policy/ Legal Notice: https://www.reseroapp.com/en/legal-notice/
Screenshots
Verdict
The clearest difference is in-app purchases: Exercise Timer Resero at none against INTVL's 1. Exercise Timer Resero also leads on ads (none vs shown) and device support (3 vs 1). On price, update cadence 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. INTVL sells 1 in-app purchase, starting at $39.99 per year. Exercise Timer Resero asks for nothing beyond the download.
INTVL ships an update fortnightly, Exercise Timer Resero every 3 weeks. The most recent releases landed on October 10, 2026 and October 25, 2026 respectively.
| Parameter | INTVL | Exercise Timer Resero |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (3 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 3 — better |
| Update frequency | Fortnightly — better | Every 3 weeks |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | — | Free |
| Devices | iPhone | iPhone, iPad, Apple Watch — better |
| Requires iOS | 17.0 | 17.0 |
| Further details — not scored | ||
| Size | 87 MB | 55 MB |
| Age rating | 4+ | 4+ |
| Developer | Imperial Sales & Marketing GmbH | Imarum GmbH |
In-app purchases
INTVL
- INTVL Pro Annual7 Days trial$39.991 Year
Exercise Timer Resero
No in-app purchases









