Comparison

HIIT 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

HIIT Timer

Features
Read full description

A simple timer app, perfect for HIIT training With an ultra-large full-screen timer display, you can instantly see your remaining time even in the middle of your workout. No complicated features—just the essential functions you need to keep your training smooth and focused. Main Features • Large, easy-to-read full-screen timer display • Automatic alternation between work and rest intervals • 3-second countdown before each start so you’re ready • Clear color coding: blue for work, orange for rest • Simple controls for pause, resume, and skip • Banner ads displayed on the home and timer screens Customization Options • Work time: freely set from 1 second to 15 minutes • Rest time: freely set from 1 second to 15 minutes • Sets: up to 99 sets supported • Dark mode & light mode • Available in both Japanese and English Training Records • Automatically saves completed sessions to history • Check up to your last 100 records • Stay motivated with visible training progress Designed for Usability • Runs in the background without interruption • Accurate timekeeping even with screen lock • Full accessibility support • User-friendly design to prevent misoperation Recommended for everyone—from beginners to advanced athletes—who wants to start HIIT training. No complex setup required. Download now and start your workout today! Privacy First All data is stored locally on your device and never shared externally.

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

HIIT Timer4 screens
Round4 screens

Verdict

The call

The clearest difference is ads: Round at none against HIIT Timer's shown. Round also leads on update cadence (weekly vs every 5 weeks) and iOS requirement (17.2 vs 26.0). On price, 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

HIIT Timer ships an update every 5 weeks, Round weekly. The most recent releases landed on October 20, 2026 and October 10, 2026 respectively.

Scorecard3 real differences · 6 level
HIIT Timer versus Round: the parameters behind the verdict, then further details
ParameterHIIT TimerRound
PriceFreeFree
Rating—4.0 (1 ratings) — better
Number of ratings—1 — better
Update frequencyEvery 5 weeksWeekly — better
AdsYesNo — better
In-app purchasesNoNo
Monetization—Free
DevicesiPhone, iPadiPhone, iPad, Apple Watch — better
Requires iOS26.017.2 — better
Further details — not scored
Size36 MB35 MB
Age rating4+4+
DeveloperCaprio LabRyosuke Nakayama

In-app purchases

None

HIIT Timer

No in-app purchases

None

Round

No in-app purchases

Questions

Is HIIT Timer free?
HIIT Timer is free to download, with no in-app purchases.
Is Round free?
Round is free to download, with no in-app purchases.
Do HIIT Timer or Round have ads?
HIIT Timer shows ads; Round does not.
Which is updated more often, HIIT Timer or Round?
HIIT Timer ships an update every 5 weeks, and Round weekly. Most recently, HIIT Timer was updated on October 20, 2026 and Round on October 10, 2026.

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