Comparison

Timer Tabata for Workout, HIIT 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

Timer Tabata for Workout, HIIT

This app provides a versatile interval timer for various training styles, including Tabata, HIIT, and general workouts. It offers background operation and round tracking, with optional premium features and Health app integration.

Highlights
  • Tabata Protocol timer
  • Rounds timer
  • Stopwatch mode
  • Interval timer
  • Workout of the day display
  • Background operation (premium)
  • Round number and duration display
Features
Read full description

Workout Timer / Training Timer / Round Timer Special timer for interval training The opportunity to display mode: - Tabata Protocol - Rounds - Stopwatch - Intervals - Workout of the day - Timer also works in backgroung mode (premium version) - Ability to display the number and duration of rounds Should you choose to upgrade to a Premium Membership, payment will be charged to your iTunes account at confirmation of purchase. Your monthly subscription is $0.99 per month, while the yearly subscription is $4.99 per year. (Price may vary by location.) Your subscription renews automatically unless cancelled at least 24 hours prior to the end of the current period and cancellation of the current active subscription period is not allowed. Auto-renewal may be turned off in your Account Settings in iTunes after purchase. You can also manage your subscriptions in Account Settings after purchase. Terms of use: http://appbysnap.tilda.ws/terms The application supports Health app: At your request, the data on completed training will be automatically added to the Health app. Good luck in your workouts!

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

Timer Tabata for Workout, HIIT4 screens
HIIT Interval Timer | Cero4 screens

Verdict

The call

The clearest difference is ads: Timer Tabata for Workout, HIIT at none against HIIT Interval Timer | Cero's shown. On price, rating, review sentiment and ratings volume 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. Timer Tabata for Workout, HIIT sells 6 in-app purchases, starting at $2.99 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

On the App Store both sit at effectively the same score — 4.7 for Timer Tabata for Workout, HIIT against 4.7 for HIIT Interval Timer | Cero. Both are backed by a comparable volume of ratings — 523 and 435 respectively. Written reviews are what separate them: 81% of Timer Tabata for Workout, HIIT's written reviews are positive against 75% of HIIT Interval Timer | Cero's.

UpkeepUpdate frequency

Timer Tabata for Workout, HIIT ships an update every 3 weeks, HIIT Interval Timer | Cero every 2 weeks. The most recent releases landed on September 24, 2026 and September 20, 2026 respectively.

Scorecard1 real difference · 9 level
Timer Tabata for Workout, HIIT versus HIIT Interval Timer | Cero: the parameters behind the verdict, then further details
ParameterTimer Tabata for Workout, HIITHIIT Interval Timer | Cero
PriceFreeFree
Rating4.7 (523 ratings)4.7 (435 ratings)
Positive reviews80.7% of reviews — better74.6% of reviews
Number of ratings523 — better435
Update frequencyEvery 3 weeksEvery 2 weeks — better
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFreemiumFree with in-app purchases
DevicesiPhone, iPad, Mac, Apple Watch — betteriPhone, iPad, Apple Watch
Requires iOS17.016.0 — better
Further details — not scored
Size80 MB42 MB
Age rating4+4+
DeveloperAlexander SeninFlawless Studio LLC

Customer experience

Timer Tabata for Workout, HIIT

All ratings523 ratings
Positive92.0%
Neutral1.5%
Negative6.5%
Written reviews944 reviews
Positive80.7%
Neutral2.4%
Negative16.8%

HIIT Interval Timer | Cero

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

User reviews

Timer Tabata for Workout, HIIT

From 523 App Store ratings

What we love

  • 🚀 Simple and flexible
  • 🚀 Works well in the background
  • 👍 Reliable and convenient
  • 👍 Versatile for different workouts
  • 👍 Great for interval training

Room to improve

  • 💰 Subscription model for full features
  • 💰 Paid app after previously being free
  • 💰 Paid version doesn't restore previous purchases
  • 🔇 Loud beeping sound
  • 🐛 Glitchy on Apple Watch

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

Timer Tabata for Workout, HIIT

Reported bugs

2 issues
  • Workout tracking stops working on Apple Watch
  • Timer loses track when screen turns off

Requested features

4 requests
  • Ability to set custom intervals and rest times
  • Option to repeat previous rounds
  • Adjustable volume for alerts
  • Ability to save and load custom workout routines

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

6 purchases

Timer Tabata for Workout, HIIT

Subscriptions2
  • Best Timer for a Month$2.991 Month
  • Best Timer for a Year$12.991 Year
One-time4
  • Tip developer$0.99
  • Full version$1.99
  • Boost of Energy$1.99
Show 1 more
  • Source of Inspiration$3.99
1 purchases

HIIT Interval Timer | Cero

One-time1
  • Cero Pro$3.99

Questions

Is Timer Tabata for Workout, HIIT free?
Timer Tabata for Workout, HIIT 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, Timer Tabata for Workout, HIIT or HIIT Interval Timer | Cero?
Timer Tabata for Workout, HIIT and HIIT Interval Timer | Cero are both rated 4.7 out of 5 on the App Store, from 523 and 435 ratings respectively.
Do Timer Tabata for Workout, HIIT or HIIT Interval Timer | Cero have ads?
HIIT Interval Timer | Cero shows ads; Timer Tabata for Workout, HIIT does not.
Which is updated more often, Timer Tabata for Workout, HIIT or HIIT Interval Timer | Cero?
Timer Tabata for Workout, HIIT ships an update every 3 weeks, and HIIT Interval Timer | Cero every 2 weeks. Most recently, Timer Tabata for Workout, HIIT was updated on September 24, 2026 and HIIT Interval Timer | Cero on September 20, 2026.

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