Comparison

Timer Tabata for Workout, HIIT vs Interval Timer for HIIT | 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: Tabata, Rounds, Intervals, Stopwatch and WOD One timer for every workout: HIIT and Tabata at home, rounds in the boxing gym, your own intervals for circuit training, a stopwatch for running and a Workout of the Day for CrossFit. TIMERS • Tabata — set work, rest, rounds and cycles, start with one tap • Rounds — a round timer with rest breaks and a countdown before the first round, for boxing, MMA and sparring • Intervals — build your own sequence of exercises by time or by reps, name every interval and save the workout • Stopwatch — with a beep at the interval you choose • WOD — a workout of the day with exercise descriptions and pictures, a new WOD every day, save your favourites or build your own • AI Coach — a workout plan for your goals, level and equipment: bodyweight, dumbbells, kettlebell, barbell, jump rope WHILE YOU TRAIN • Big numbers you can read from across the gym • Sound schemes, vibration, voice alerts and a flash on the last seconds • Keeps running in the background, with a Live Activity on the Lock Screen and in the Dynamic Island • Widgets for a quick start APPLE WATCH • Timers on your wrist with heart rate, controlled from the watch or from iPhone PROGRESS • Workout history and achievements • Apple Health: workouts and calories burned are saved automatically • iCloud sync between iPhone, iPad and Apple Watch • Layouts for iPad and iPhone Duo • Articles about training PREMIUM Premium removes ads, unlocks all timers and the background mode. Choose a monthly or yearly subscription, or buy once and keep it forever. The subscription renews automatically unless it is cancelled at least 24 hours before the end of the current period; payment is charged to your Apple Account. Manage or cancel it in your Account Settings after purchase. Terms of use: http://appbysnap.tilda.ws/terms Privacy policy: http://appbysnap.tilda.ws/privacypolice Good luck in your workouts!

About

Interval Timer for HIIT | Cero

Create custom interval workouts for HIIT, Tabata, and circuit training. Features adaptive heart rate training, Siri integration, and Apple Watch support. Track progress and share your custom routines.

Highlights
  • Customizable interval programming
  • Adaptive heart rate training
  • Siri and Shortcuts integration
  • Apple Watch app
  • Workout history and sharing
  • Live Activities and Dynamic Island support
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
Interval Timer for HIIT | Cero4 screens

Verdict

The call

The clearest difference is ads: Timer Tabata for Workout, HIIT at none against Interval Timer for HIIT | Cero's shown. Interval Timer for HIIT | Cero's advantage is update cadence (every 3 days vs fortnightly). 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 Interval Timer for HIIT | Cero sells 2 in-app purchases, starting at $2.99 per month. 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 Interval Timer for HIIT | Cero. Both are backed by a comparable volume of ratings — 538 and 438 respectively. Written reviews are what separate them: 81% of Timer Tabata for Workout, HIIT's written reviews are positive against 75% of Interval Timer for HIIT | Cero's.

UpkeepUpdate frequency

Timer Tabata for Workout, HIIT ships an update fortnightly, Interval Timer for HIIT | Cero every 3 days. Both last shipped on November 6, 2026.

Scorecard2 real differences · 8 level
Timer Tabata for Workout, HIIT versus Interval Timer for HIIT | Cero: the parameters behind the verdict, then further details
ParameterTimer Tabata for Workout, HIITInterval Timer for HIIT | Cero
PriceFreeFree
Rating4.7 (538 ratings)4.7 (438 ratings) — better
Positive reviews80.5% of reviews — better74.6% of reviews
Number of ratings538 — better438
Update frequencyFortnightlyEvery 3 days — better
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFreemiumFree with in-app purchases
DevicesiPhone, iPad, Mac, Apple Watch — betteriPhone, iPad, Apple Watch
Requires iOS17.0 — better18.0
Further details — not scored
Size82 MB50 MB
Age rating4+4+
DeveloperAlexander SeninFlawless Studio LLC

Customer experience

Timer Tabata for Workout, HIIT

All ratings536 ratings
Positive91.8%
Neutral1.5%
Negative6.7%
Written reviews965 reviews
Positive80.5%
Neutral2.5%
Negative17.0%

Interval Timer for HIIT | Cero

All ratings438 ratings
Positive92.9%
Neutral3.9%
Negative3.2%
Written reviews59 reviews
Positive74.6%
Neutral10.2%
Negative15.3%

User reviews

Timer Tabata for Workout, HIIT

From 538 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

Interval Timer for HIIT | Cero

From 438 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

Interval Timer for HIIT | 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
2 purchases

Interval Timer for HIIT | Cero

Subscriptions1
  • Cero Pro Monthly7 Days trial$2.991 Month
One-time1
  • Cero Pro$14.99

Questions

Is Timer Tabata for Workout, HIIT free?
Timer Tabata for Workout, HIIT is free to download, with in-app purchases available.
Is Interval Timer for HIIT | Cero free?
Interval Timer for HIIT | Cero is free to download, with in-app purchases available.
Which has better reviews, Timer Tabata for Workout, HIIT or Interval Timer for HIIT | Cero?
Interval Timer for HIIT | Cero is rated higher. Timer Tabata for Workout, HIIT averages 4.7 out of 5 from 538 ratings, while Interval Timer for HIIT | Cero averages 4.7 from 438 ratings.
Do Timer Tabata for Workout, HIIT or Interval Timer for HIIT | Cero have ads?
Interval Timer for HIIT | Cero shows ads; Timer Tabata for Workout, HIIT does not.
Which is updated more often, Timer Tabata for Workout, HIIT or Interval Timer for HIIT | Cero?
Timer Tabata for Workout, HIIT ships an update fortnightly, and Interval Timer for HIIT | Cero every 3 days. Most recently, Timer Tabata for Workout, HIIT was updated on November 6, 2026 and Interval Timer for HIIT | Cero on November 6, 2026.

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