Comparison

Exercise Timer Resero vs Interval Timer

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • Customizable interval workouts
  • Workout library
  • Progress calendar
  • Apple Watch integration
  • Apple Health sync
  • Rep-based intervals
  • Ad-free experience
Features
Read full description

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 Outdated design.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/

About

Interval Timer

This app provides a flexible and customizable timer for various training styles like HIIT, circuit, and boxing. It offers clear audio and visual cues to guide users through each phase of their workout, allowing for quick setup and easy tracking of progress.

Highlights
  • Customizable work/rest durations
  • Multiple rounds and sets
  • Preparation and cool-down timers
  • Named custom intervals
  • Audio, vibration, and spoken guidance
  • Workout history tracking
Features
Read full description

Interval Timer: Circuit & HIIT is a clean, flexible training timer built to keep every workout moving. Set up a session in seconds, follow clear cues while you train, and stay focused on the next interval instead of the clock. BUILD CIRCUIT AND HIIT WORKOUTS * Set work and rest durations * Choose the number of rounds and sets * Add preparation time, breaks between sets, and a cool-down * Create custom sequences with individually named intervals * See the total session time before you begin FOLLOW EVERY PHASE * Use sound, vibration, and spoken phase guidance * Enable countdown and halfway alerts * See the current phase, remaining time, round, and set at a glance * Pause, resume, or move between workout phases when needed START FAST * Begin with ready-to-use quick-start presets * Save named timer setups for routines you repeat * Adjust your timer without navigating through complicated menus REVIEW YOUR TRAINING * Browse completed workouts on a calendar * Filter your history by week, month, or all time * Review workout count, total training time, and completed rounds MADE FOR YOUR ROUTINE Use Interval Timer: Circuit & HIIT for HIIT, Tabata, circuit training, boxing, running, cycling, stretching, mobility work, home workouts, study sessions, or any activity that alternates focused effort and recovery. Simple controls, clear feedback, and flexible timing help you spend less time setting up and more time doing the work. INTERVAL TIMER PRO Upgrade to Pro for unlimited custom timers, advanced interval training, audio coaching, screen-lock training, music support, and saved workouts. Subscription Instructions: Interval Timer Pro includes auto-renewing subscriptions. Payment will be charged to your iTunes account. Subscriptions renew automatically unless canceled at least 24 hours before the current period ends. Manage or cancel anytime in Account Settings. Free trial eligibility may apply. Refunds follow Apple policies. We'd love to hear from you! Feedback & Support: sps-team@needodo.com Privacy Policy: https://api-cle.needodo.com/acchtml/timer/privacy.html Terms of Service: https://api-cle.needodo.com/acchtml/timer/terms.html

Screenshots

Exercise Timer Resero4 screens
Interval Timer4 screens

Verdict

The call

The clearest difference is in-app purchases: Exercise Timer Resero at none against Interval Timer's 3. Exercise Timer Resero also leads on ratings volume (3 vs 1). Interval Timer's advantage is update cadence (every 8 days vs every 3 weeks) and iOS requirement (15.0 vs 17.0). On price, rating, 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Interval Timer sells 3 in-app purchases, starting at $9.99 per 7 days. Exercise Timer Resero asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for Exercise Timer Resero against 5.0 for Interval Timer. Both are backed by a comparable volume of ratings — 3 and 1 respectively.

UpkeepUpdate frequency

Exercise Timer Resero ships an update every 3 weeks, Interval Timer every 8 days. The most recent releases landed on October 28, 2026 and November 1, 2026 respectively.

Scorecard5 real differences · 5 level
Exercise Timer Resero versus Interval Timer: the parameters behind the verdict, then further details
ParameterExercise Timer ReseroInterval Timer
PriceFreeFree
Rating5.0 (3 ratings)5.0 (1 ratings)
Positive reviews100.0% of reviews—
Number of ratings3 — better1
Update frequencyEvery 3 weeksEvery 8 days — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFreemium
DevicesiPhone, iPad, Apple Watch — betteriPhone, iPod
Requires iOS17.015.0 — better
Further details — not scored
Size55 MB41 MB
Age rating4+12+
DeveloperImarum GmbHShenZhen Niddles Technology Co., Ltd.

Customer experience

Exercise Timer Resero

All ratings3 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Interval Timer

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Exercise Timer Resero

No in-app purchases

3 purchases

Interval Timer

Subscriptions3
  • Weekly Subscription3 Days trial$9.997 Days
  • Monthly Subscription$19.991 Month
  • Yearly Subscription7 Days trial$59.991 Year

Questions

Is Exercise Timer Resero free?
Exercise Timer Resero is free to download, with no in-app purchases.
Is Interval Timer free?
Interval Timer is free to download, with in-app purchases available.
Which has better reviews, Exercise Timer Resero or Interval Timer?
Exercise Timer Resero and Interval Timer are both rated 5.0 out of 5 on the App Store, from 3 and 1 ratings respectively.
Do Exercise Timer Resero or Interval Timer have ads?
Neither Exercise Timer Resero nor Interval Timer shows ads.
Which is updated more often, Exercise Timer Resero or Interval Timer?
Exercise Timer Resero ships an update every 3 weeks, and Interval Timer every 8 days. Most recently, Exercise Timer Resero was updated on October 28, 2026 and Interval Timer on November 1, 2026.

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