HIIT Interval Timer | Cero vs Interval Timer ▸ HIIT & Tabata
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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/
Interval Timer ▸ HIIT & Tabata
This app helps you structure and time your workouts with customizable intervals, alerts, and repeating sets. It's ideal for various fitness activities like HIIT, Tabata, boxing, running, and circuit training.
- Customizable intervals (work, rest, recovery)
- Customizable sound and visual alerts
- Repeating sets programming
- Countdown timer with visual cues
- Supports HIIT, Tabata, boxing, running, circuit training, yoga, meditation
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Elevate your workouts with the ultimate Interval Timer app, designed to boost your fitness regimen. Whether you're a seasoned athlete or just starting out, this app is your perfect training partner. With a sleek, user-friendly interface and powerful features, Interval Timer takes your workouts to the next level. Key Features: • Customizable Intervals: Tailor your workouts with precision. Set the duration for work, rest and recovery intervals to match your training goals. • Customizable Alerts: Choose from a variety of sounds and visual cues to keep you motivated and on track during your workout sessions. • Repeating Sets: Easily program multiple sets with the option to repeat for a comprehensive training experience. • Countdown Timer: Get a visual cue of the time remaining in your intervals, ensuring you stay focused and energized. • Ideal for Various Sports: Interval Timer is perfect for a wide range of sports including: - HIIT Workouts: Maximize your high-intensity interval training for improved cardiovascular fitness and fat loss. - Tabata: Optimize your Tabata sessions for intense bursts of activity followed by short rests. - Boxing and MMA Training: Enhance your agility, strength, and conditioning for combat sports. - Running and Sprinting: Fine-tune your speed and endurance on the track or the trail. - Circuit Training: Perfect for bodyweight exercises, weights, or a combination of both. - Yoga and Meditation: Use intervals to time poses, stretches, or meditation sessions for a balanced practice. Interval Timer is designed for everyone, from casual fitness enthusiasts to dedicated athletes. Don't let your workouts plateau. Download Interval Timer today and experience the difference!
Screenshots
Verdict
The clearest difference is in-app purchases: Interval Timer ▸ HIIT & Tabata at none against HIIT Interval Timer | Cero's 1. Interval Timer ▸ HIIT & Tabata also leads on ads (none vs shown) and review sentiment (100% vs 75%). HIIT Interval Timer | Cero's advantage is update cadence (every 2 weeks vs every 11 months) and ratings volume (435 vs 9). On price, device support and iOS requirement 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. HIIT Interval Timer | Cero sells 1 one-off in-app purchase. Interval Timer ▸ HIIT & Tabata asks for nothing beyond the download.
Interval Timer ▸ HIIT & Tabata holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: HIIT Interval Timer | Cero has 435 ratings behind it against 9, so its average is the more settled of the two. Written reviews point the same way: 75% of HIIT Interval Timer | Cero's written reviews are positive against 100% of Interval Timer ▸ HIIT & Tabata's.
HIIT Interval Timer | Cero ships an update every 2 weeks, Interval Timer ▸ HIIT & Tabata every 11 months. The most recent releases landed on September 20, 2026 and September 8, 2026 respectively.
| Parameter | HIIT Interval Timer | Cero | Interval Timer ▸ HIIT & Tabata |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (435 ratings) | 5.0 (9 ratings) — better |
| Positive reviews | 74.6% of reviews | 100.0% of reviews — better |
| Number of ratings | 435 — better | 9 |
| Update frequency | Every 2 weeks — better | Every 11 months |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, Apple TV, Apple Watch — better |
| Requires iOS | 16.0 — better | 16.6 |
| Further details — not scored | ||
| Size | 42 MB | 16 MB |
| Age rating | 4+ | 4+ |
| Developer | Flawless Studio LLC | Juxhin Bakalli Technologies |
Customer experience
HIIT Interval Timer | Cero
Interval Timer ▸ HIIT & Tabata
Bugs and 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
Interval Timer ▸ HIIT & Tabata
Not enough reviews yet to summarise bugs or requests.
In-app purchases
HIIT Interval Timer | Cero
- Cero Pro$3.99
Interval Timer ▸ HIIT & Tabata
No in-app purchases
Questions
Is HIIT Interval Timer | Cero free?
Is Interval Timer ▸ HIIT & Tabata free?
Which has better reviews, HIIT Interval Timer | Cero or Interval Timer ▸ HIIT & Tabata?
Do HIIT Interval Timer | Cero or Interval Timer ▸ HIIT & Tabata have ads?
Which is updated more often, HIIT Interval Timer | Cero or Interval Timer ▸ HIIT & Tabata?
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