Comparison

Simple Timer vs Round

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

Head to head
About

Simple Timer

Features
Read full description

Get Ready to Maximize Your Workouts! Introducing the HIIT Timer App – Your ultimate companion for interval training. Designed for fitness enthusiasts of all levels, this simple yet powerful timer makes it easier than ever to achieve your training goals. Whether you’re hitting the gym, training at home, or on the go, our app provides the necessary tools to keep you focused and motivated throughout your workouts! Key Features: Customizable Durations: Easily set your warm-up, work, rest, and cool-down durations as well as the number of rounds and repetitions for each workout. Tailor your sessions to match your fitness level and preferences! Smart Saving Function: The app remembers your exercise duration settings so you can quickly access your favorite workouts next time you train. No more re-entering details – just tap and go! Audible Alerts: Stay on track with clear sound alerts. You'll know when you've got three seconds left in your set, and you’ll hear a beep to signal the start of a new exercise so you can focus on your performance. Exciting Roadmap Ahead: Enhanced Customization: Soon, you will be able to customize each exercise with its own unique name and duration, making your training even more specific to your needs! Community Sharing: Connect with fellow fitness enthusiasts! Soon, you will be able to share your personal workout programs, allowing others to follow your routine and mix up their training. Group Plans and Challenges: Create regular training plans and invite others to join. Share and track your progress together, motivating one another to push limits and achieve goals! Why Choose HIIT Timer App? User-Friendly Interface: Designed with simplicity in mind, navigate seamlessly and set up workouts in just a few taps. Adaptable for All Levels: Whether you’re a beginner looking to jumpstart your fitness journey or a seasoned athlete aiming for the next level, our app caters to your personal training needs. Motivation at Your Fingertips: With an emphasis on community and sharing, our app nurtures motivation and brings people together to help each other succeed. Join the HIIT Revolution! Download the HIIT Timer App today and take the first step towards a fitter, healthier you. Don’t miss out on improving your fitness routine and achieving your goals through efficient interval training. Your body will thank you!

About

Round

This interval timer is designed for high-intensity interval training (HIIT), Tabata, and circuit workouts. It allows users to create custom routines with multiple exercises and track their progress. The app offers haptic alerts and can be controlled from an Apple Watch.

Highlights
  • Customizable interval routines
  • HIIT, Tabata, and circuit training support
  • Apple Watch control
  • Haptic alerts for round changes
  • Visual arc timer
  • Workout progress tracking
  • Apple Health integration
Features
Read full description

Round is a visual interval timer for HIIT, Tabata, circuit training, strength workouts, mobility, and stretching. TRAIN WITH 3D MOVEMENT GUIDES Choose from 71 exercises and see each movement in 3D while building your routine and while the timer runs. Side-specific and alternating exercises are handled clearly, so you always know what comes next. BUILD A ROUTINE IN SECONDS • Start with a ready-made template or build from the exercise catalog • Reorder, duplicate, edit, and delete steps directly • Add custom exercises with your own name and emoji • Set work, step rest, set rest, preparation, and number of sets STAY FOCUSED • Follow the 3D animation or switch to a larger remaining-time display • See your current step, progress, and upcoming lineup at a glance • Audio and haptic cues announce every transition WORKS WITH WATCH Control your workout from your wrist and receive haptic cues without reaching for your iPhone. TRACK YOUR PROGRESS • Sessions are logged automatically • Review total training time, streaks, and your most-used routines • Save workouts to Apple Health • Delete individual history entries whenever needed No account. No ads. Fully offline.

Screenshots

Simple Timer4 screens
Round4 screens

Verdict

The call

The clearest difference is update cadence: Round at weekly against Simple Timer's every 4 weeks. Simple Timer's advantage is iOS requirement (15.6 vs 17.2). On price, ads, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Simple Timer ships an update every 4 weeks, Round weekly. The most recent releases landed on August 20, 2026 and September 24, 2026 respectively.

Scorecard2 real differences · 7 level
Simple Timer versus Round: the parameters behind the verdict, then further details
ParameterSimple TimerRound
PriceFreeFree
Rating—4.0 (1 ratings) — better
Number of ratings—1 — better
Update frequencyEvery 4 weeksWeekly — better
AdsNoNo
In-app purchasesNoNo
Monetization—Free
DevicesiPhone, iPad, iPodiPhone, iPad, Apple Watch
Requires iOS15.6 — better17.2
Further details — not scored
Size24 MB34 MB
Age rating4+4+
DeveloperHyoungil KimRyosuke Nakayama

In-app purchases

None

Simple Timer

No in-app purchases

None

Round

No in-app purchases

Questions

Is Simple Timer free?
Simple Timer is free to download, with no in-app purchases.
Is Round free?
Round is free to download, with no in-app purchases.
Do Simple Timer or Round have ads?
Neither Simple Timer nor Round shows ads.
Which is updated more often, Simple Timer or Round?
Simple Timer ships an update every 4 weeks, and Round weekly. Most recently, Simple Timer was updated on August 20, 2026 and Round on September 24, 2026.

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