Comparison

Tabata Timer vs HIIT Interval Timer | Cero

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

Head to head
About

Tabata Timer

This app provides a versatile interval timer for high-intensity workouts like HIIT and Tabata. Users can create custom routines with adjustable work/rest times, sets, and cycles, and receive voice cues. It functions as a background companion to keep you focused during training.

Highlights
  • Customizable interval timers
  • HIIT and Tabata training support
  • Adjustable work and rest times
  • Set and cycle configuration
  • Interval naming
  • Background operation
  • Voice cues
Features
Read full description

Become better, faster, and stronger — together with Tabata Timer for Workouts! A simple yet powerful HIIT and Tabata timer for cardio, CrossFit, and any high-intensity training. Beginners can start with one tap, while advanced users get full control over every interval. Create custom workouts: adjust work and rest times, sets, and cycles; add interval names, background music, and voice cues. The app runs smoothly in the background, supports vibration, music ducking, and much more. More than just a stopwatch — your personal workout partner that keeps you focused, motivated, and on track anywhere — at home, in the gym, or outdoors. https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

HIIT Interval Timer | Cero

This interval timer app enhances various workouts like HIIT, Tabata, and yoga with intuitive design and customizable timer modes. Create and save custom intervals, track calorie expenditure, and sync settings across devices, including Apple Watch.

Highlights
  • Customizable interval timers
  • Simple and advanced timer modes
  • Create and save multiple workout settings
  • Apple Watch compatibility with heart monitor
  • Automatic calorie tracking to Apple Health
  • Cross-device sync
Features
Read full description

Build an interval workout around the way you train. Cero is a flexible interval timer for HIIT, Tabata, circuit training, WODs and HYROX preparation. Set up a quick work/rest timer or program each interval in detail. Distinct colors, large controls and reliable cues keep you focused on the session instead of the clock. BUILD YOUR SESSION • Set work, recovery, sets, warm-up and cool-down. • Create advanced workouts with custom intervals, colors, icons and intensity levels. • Save, duplicate and reorder timers. • Share timers by file or QR code. • Review completed sessions in workout history. STAY IN THE WORKOUT • Follow compatible sessions with Live Activities and Dynamic Island. • Start saved or recent timers from Home Screen widgets. • Use Siri and Shortcuts to start, pause, resume and stop a timer. • Put Gym Display on a larger screen or mirrored TV. • Choose a default song or assign music to individual intervals. • Customize sounds, voice cues, vibrations and background alerts. TRAIN BY HEART RATE Adaptive HR can extend recovery until you reach your target heart rate, then guide hard efforts with low and high alerts. Pair a Bluetooth heart-rate monitor with iPhone or train with heart-rate data from Apple Watch. COUNTDOWN AND STOPWATCH The built-in countdown and lap stopwatch cover warm-ups, station changes, rest periods and race-day practice. Stopwatch sessions continue after you close and reopen the app. ON APPLE WATCH Run saved workouts from your wrist, follow heart rate and use the standalone countdown and stopwatch. Cero can save completed workouts and estimated calories to Apple Health. Automatic iCloud backups help protect saved timers and custom intervals. Useful for HIIT, Tabata, circuits, EMOM-style workouts, boxing rounds, strength and conditioning, indoor cycling, running intervals and hybrid race preparation. Feedback and suggestions: hi@flawless.studio Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Tabata Timer4 screens
HIIT Interval Timer | Cero4 screens

Verdict

The call

The clearest difference is review sentiment: Tabata Timer at 98% against HIIT Interval Timer | Cero's 75%. Tabata Timer also leads on ratings volume (9.2K vs 435) and rating (4.9 vs 4.7). On price, update cadence, ads and in-app purchases 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. Tabata Timer sells 5 in-app purchases, starting at $1.49 per month and HIIT Interval Timer | Cero sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Tabata Timer holds the better App Store score, 4.9 against 4.7. That said, the two scores are not equally well evidenced: Tabata Timer has 9.2K ratings behind it against 435, so its average is the more settled of the two. Written reviews point the same way: 98% of Tabata Timer's written reviews are positive against 75% of HIIT Interval Timer | Cero's.

UpkeepUpdate frequency

Tabata Timer ships an update every 10 days, HIIT Interval Timer | Cero every 2 weeks. The most recent releases landed on September 24, 2026 and September 20, 2026 respectively.

Scorecard3 real differences · 7 level
Tabata Timer versus HIIT Interval Timer | Cero: the parameters behind the verdict, then further details
ParameterTabata TimerHIIT Interval Timer | Cero
PriceFreeFree
Rating4.9 (9.2K ratings) — better4.7 (435 ratings)
Positive reviews98.3% of reviews — better74.6% of reviews
Number of ratings9.2K — better435
Update frequencyEvery 10 days — betterEvery 2 weeks
AdsYesYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPod, Apple Watch — betteriPhone, iPad, Apple Watch
Requires iOS15.6 — better16.0
Further details — not scored
Size40 MB42 MB
Age rating4+4+
DeveloperOleksandr SerhiienkoFlawless Studio LLC

Customer experience

Tabata Timer

All ratings9,173 ratings
Positive99.0%
Neutral0.7%
Negative0.4%
Written reviews2,706 reviews
Positive98.3%
Neutral0.8%
Negative0.8%

HIIT Interval Timer | Cero

All ratings435 ratings
Positive92.9%
Neutral3.9%
Negative3.2%
Written reviews59 reviews
Positive74.6%
Neutral10.2%
Negative15.3%

User reviews

Tabata Timer

From 9.2K App Store ratings

What we love

  • 👍 User-friendly
  • 🚀 Customizable workouts
  • 🔊 Clear audio cues
  • 💡 Ability to save multiple workouts
  • 🎵 Plays music in the background

Room to improve

  • 🐛 Occasional crashes or glitches
  • 🔒 Limited free version (only 2 saved workouts)
  • 💰 Paid version required for more features
  • 🔀 Easy to accidentally skip intervals
  • 🔍 Cluttered interface for some users

HIIT Interval Timer | Cero

From 435 App Store ratings

What we love

  • 👍 Simple and straightforward
  • 👍 Very practical and customizable
  • 👍 Great for HIIT and Tabata
  • 👍 Clear design and easy to use
  • 👍 Good value, no subscription

Room to improve

  • 🔋 Drains battery
  • 🎶 Music playback interrupted
  • ⚠️ Ads interrupt timers
  • 🔊 Weak or non-functional sound/haptics
  • 🔄 Forced updates

Bugs and requests

Tabata Timer

Reported bugs

3 issues
  • Workouts not saving properly
  • Sync issues between app and Apple Watch
  • Occasional freezing or restarting of device

Requested features

5 requests
  • Ability to name and save more workouts in free version
  • Option to add exercise images or videos
  • Sync workouts across devices
  • Customizable sounds and alerts
  • Workout history and progress tracking

HIIT Interval Timer | Cero

Reported bugs

4 issues
  • App runs in background draining battery
  • Rotation broke after update
  • Apple workout app overrides Cero app on Apple Watch
  • Interval signals too weak or not working

Requested features

5 requests
  • Ability to group timers
  • Option to add warm-up and cool-down features
  • Ability to type numbers for time adjustment
  • Timer sounds through headphones or interrupting music
  • Ability to change exercise names

In-app purchases

5 purchases

Tabata Timer

Subscriptions4
  • Premium$1.491 Month
  • Premium$2.993 Months
  • Premium$4.496 Months
Show 1 more
  • Premium$7.491 Year
One-time1
  • Premium$9.99
1 purchases

HIIT Interval Timer | Cero

One-time1
  • Cero Pro$3.99

Questions

Is Tabata Timer free?
Tabata Timer is free to download, with in-app purchases available.
Is HIIT Interval Timer | Cero free?
HIIT Interval Timer | Cero is free to download, with in-app purchases available.
Which has better reviews, Tabata Timer or HIIT Interval Timer | Cero?
Tabata Timer is rated higher. Tabata Timer averages 4.9 out of 5 from 9.2K ratings, while HIIT Interval Timer | Cero averages 4.7 from 435 ratings.
Do Tabata Timer or HIIT Interval Timer | Cero have ads?
Both Tabata Timer and HIIT Interval Timer | Cero show ads.
Which is updated more often, Tabata Timer or HIIT Interval Timer | Cero?
Tabata Timer ships an update every 10 days, and HIIT Interval Timer | Cero every 2 weeks. Most recently, Tabata Timer was updated on September 24, 2026 and HIIT Interval Timer | Cero on September 20, 2026.

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