HIIT timer chronometer gym vs HIIT Interval Timer | Cero
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
HIIT timer chronometer gym
This interval timer helps you manage work and rest periods for various fitness activities like HIIT, tabata, and strength training. It offers customizable settings for timers, repetitions, and series, with audible and visual cues to guide your workouts.
- Programmable timers
- Customizable time settings
- Customizable series and repetitions
- Audible and visual alerts
- Pause and resume functionality
- Speaking coach
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We’re proud to introduce this handy interval timer that helps you keep track of your work and rest periods during your HIIT interval training and workouts. This app is an awesome training timer, whether you're working on cycling, running, lifting weights, exercise, workout, stretching, boxing, MMA or HIIT, this interval timer will prove to be an invaluable asset for your HIIT interval training. This app can be used as HIIT timer, tabata timer, round timer, and anything else about interval training you want to track. Tabata timer is a full featured, easy to use Tabata timer Crossfit HIIT Interval training, kettle bells, running, cycling, or any interval fitness training. FEATURES: * 3 programmable timers * Customize all time settings * Customize number of series * Customize number of repetitions * easy to hear alerts * pause and resume session * restart session where you left off if interrupted * mute sound use in silent mode * screen changecolor for visual cue * Speaking coach
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 in-app purchases: HIIT timer chronometer gym at none against HIIT Interval Timer | Cero's 2. HIIT timer chronometer gym also leads on iOS requirement (14.0 vs 16.0). HIIT Interval Timer | Cero's advantage is update cadence (every 3 days vs every 7 months) and review sentiment (75% vs 53%). On price, ads and device support 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 2 in-app purchases, starting at $2.99 per month. HIIT timer chronometer gym asks for nothing beyond the download.
HIIT Interval Timer | Cero holds the better App Store score, 4.7 against 4.4. That said, the two scores are not equally well evidenced: HIIT Interval Timer | Cero has 435 ratings behind it against 37, so its average is the more settled of the two. Written reviews point the same way: 53% of HIIT timer chronometer gym's written reviews are positive against 75% of HIIT Interval Timer | Cero's.
HIIT timer chronometer gym ships an update every 7 months, HIIT Interval Timer | Cero every 3 days. The most recent releases landed on October 18, 2026 and October 16, 2026 respectively.
| Parameter | HIIT timer chronometer gym | HIIT Interval Timer | Cero |
|---|---|---|
| Price | Free | Free |
| Rating | 4.4 (37 ratings) | 4.7 (435 ratings) — better |
| Positive reviews | 52.9% of reviews | 74.6% of reviews — better |
| Number of ratings | 37 | 435 — better |
| Update frequency | Every 7 months | Every 3 days — better |
| Ads | Yes | Yes |
| In-app purchases | No — better | Yes |
| Monetization | Ad-supported — better | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Requires iOS | 14.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 7 MB | 42 MB |
| Age rating | +4 | 4+ |
| Developer | Mireia Lluch Ortola | Flawless Studio LLC |
Customer experience
HIIT timer chronometer gym
HIIT Interval Timer | Cero
User reviews
HIIT timer chronometer gym
From 37 App Store ratingsWhat we love
- 👍 Simple and easy to use
- 🚀 Effective for HIIT workouts
- 💰 Free to use
- 👌 Good for basic timing needs
- 🗣️ Voice control is superb
Room to improve
- anúncios Annoying ads
- 🔇 No sound issues
- 🔒 Screen locks and app stops
- 👎 Unstable, crashes during workouts
- 🎛️ Limited customization options
HIIT Interval Timer | Cero
From 435 App Store ratingsWhat 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
HIIT timer chronometer gym
Reported bugs
16 issues- Screen goes to sleep and locks
- Screen turns off after last update
- No sound
- App disappears during workouts
- Timer stops when screen is locked
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- App crashes or restarts workouts
- Ads are intrusive and cannot be closed
- Timer doesn't count after preparation time
- Sound signal not working
- App stops working when device is locked or in background
- Inverts exercises and repetitions
- Timer stops when screen turns off
- Cannot set number of series, time, or repetitions
- Ads cannot be removed
- App closes by itself and returns to the beginning of the workout
- Music playback is blocked when timer starts
Requested features
14 requests- Ability to save workout settings
- Option to create rest periods for stretching
- Specify series vs. exercises better
- Basic customization would be useful
- Landscape mode
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- Ability to name exercises
- Saved workouts
- Apple Watch support
- Total remaining time display
- Option for a break every second exercise
- Ability to modify settings mid-workout without resetting
- More than one screen for different timer programs
- Vibration when sound is off
- Option for configurable sound
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
HIIT timer chronometer gym
No in-app purchases
HIIT Interval Timer | Cero
- Cero Pro Monthly7 Days trial$2.991 Month
- Cero Pro$14.99
Questions
Is HIIT timer chronometer gym free?
Is HIIT Interval Timer | Cero free?
Which has better reviews, HIIT timer chronometer gym or HIIT Interval Timer | Cero?
Do HIIT timer chronometer gym or HIIT Interval Timer | Cero have ads?
Which is updated more often, HIIT timer chronometer gym or HIIT Interval Timer | Cero?
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