Tabata Timer Training vs HIIT Interval Timer | Cero
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Tabata Timer Training
This app provides a customizable interval timer for high-intensity workouts. It supports background operation and offers voice and sound navigation to guide you through your training sessions. Manage your timers and track your progress with ease.
- Flexible and advanced timer
- Customizable timers with cycles and sets
- Background and screen-locked operation
- Color, voice, and sound navigation
- Built-in music player
- Multiple themes
- Manage training data
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Tabata interval training is the single most effective type of high intensity interval training, it's also the most intense by far, and surprisingly it's the shortest in duration: only lasts for four minutes... but those four minutes produce remarkable effects. According to the Japanese founder, Professor Izumi Tabata, one of his four-minute sessions is equal to an hour of jogging, an hour of moderate cycling, two hours of walking, an hour of Zumba or two hours of yoga. What’s not to like? Quite a lot, actually. The idea is to increase your heart rate to its maximum by “going completely mental” for 240 seconds. This is supposed to give you both aerobic and anaerobic benefits (both cardio and muscle workout). But we’re talking about four minutes of pain. The full Tabata program is four minutes long. It will probably be the longest four minutes of your life. If you are going to try it, we would recommend going light with the weights until you find your range, there’s a good chance you will underestimate this workout and be begging people around you to help you off the floor. Tabata intervals follow this structure: Push hard for 20 seconds Rest for 10 seconds. Repeat this eight times. The secret of this effective is in your sprint interval. You have to go all out, so do as many reps as you can in 20 seconds, put it down for 10, then pick it up again and go hell for another 20 seconds.... Our customers around the world: しょっかんっ: とても使いやすくシンプル!継続して筋トレしてます! Uscana82: E ótimo simples mas completo Rofl클: 심플하고 좋음 Now, let's focus on your exercises and we handle the rest Run in foreground, background and screen locked, Tabata Timer allows you to specify an overall time as well as program Cycles, Warm Up time, Train/Rest interval and Cool down time. + Flexible and Advanced Timer + Clean, simple and easy to use (There is no learning curve here) + Customize your own timer with some taps + Fully customized timers with a complex of cycles and sets, + Run in the background, foreground, screen locked + Color, Voice and Sound Navigations (Customizable) + Built in Music Player (in sync with iOS Music Player) + Multiple themes to select + Manage your timers and data of training (you can edit and even delete unwanted time data) + Create your own alarms right in the app + Work on iPhone, iPad and iPod (Universal) + And a lot more features will be added in over time. How to use this app: There is no user manual here! -> Download it -> tap on play button -> you will see -> It’s super easy
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.
- 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
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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
Verdict
The clearest difference is update cadence: HIIT Interval Timer | Cero at every 3 days against Tabata Timer Training's every 5 months. HIIT Interval Timer | Cero also leads on rating (4.7 vs 4.5) and ratings volume (435 vs 87). On price, review sentiment, 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
Both are free to download. Tabata Timer Training sells 1 one-off in-app purchase and HIIT Interval Timer | Cero sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
HIIT Interval Timer | Cero holds the better App Store score, 4.7 against 4.5. That said, the two scores are not equally well evidenced: HIIT Interval Timer | Cero has 435 ratings behind it against 87, so its average is the more settled of the two. Written reviews point the same way: 67% of Tabata Timer Training's written reviews are positive against 75% of HIIT Interval Timer | Cero's.
Tabata Timer Training ships an update every 5 months, HIIT Interval Timer | Cero every 3 days. The most recent releases landed on September 28, 2026 and September 29, 2026 respectively.
| Parameter | Tabata Timer Training | HIIT Interval Timer | Cero |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (87 ratings) | 4.7 (435 ratings) — better |
| Positive reviews | 67.1% of reviews | 74.6% of reviews — better |
| Number of ratings | 87 | 435 — better |
| Update frequency | Every 5 months | Every 3 days — better |
| Ads | Yes | Yes |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Requires iOS | 15.6 — better | 16.0 |
| Further details — not scored | ||
| Size | 23 MB | 42 MB |
| Age rating | 4+ | 4+ |
| Developer | Thang Nguyen | Flawless Studio LLC |
Customer experience
Tabata Timer Training
HIIT Interval Timer | Cero
Bugs and requests
Tabata Timer Training
Not enough reviews yet to summarise bugs or requests.
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
Tabata Timer Training
- Go Pro$4.99
HIIT Interval Timer | Cero
- Cero Pro$3.99
Questions
Is Tabata Timer Training free?
Is HIIT Interval Timer | Cero free?
Which has better reviews, Tabata Timer Training or HIIT Interval Timer | Cero?
Do Tabata Timer Training or HIIT Interval Timer | Cero have ads?
Which is updated more often, Tabata Timer Training or HIIT Interval Timer | Cero?
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