HIIT Interval Timer | Cero vs Velites Workout Interval Timer
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/
Velites Workout Interval Timer
This interval timer app supports various workout styles like Tabata, HIIT, and EMOM. It offers customizable sound guidance, including music and a coach mode, to keep you motivated during training sessions at home or in the gym.
- Supports Tabata, HIIT, EMOM, For Time, and Count Up/Down workouts
- Customizable sound guidance (beeps, songs, coach mode)
- Compatibility with music streaming apps
- Fitness Coach Mode for motivation and round tracking
- Interval timer with up to 4 intervals
- Precise stopwatch function
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Velites Workout Interval Timer - Perform any Home Workout or use it as your Timer for your Cross Training WOD's or HIIT training sessions! Velites Interval Hiit and Cross Training Timer is the best option for any type of workout you can imagine: Intervals, For Time, Tabata, EMOM, Sally Up/Down, or Count Up/Down Stop Watch. It will always be available for you to train at home, the Cross Training Box, or your Gym. Finally, it will be your perfect training tool thanks to The COACH MODE, TABATA songs or beep sound functions, and compatibility with your favorite music apps. Beyond that, you will also be able to use features like weight-lifting EMOM, Tabata workout timer with songs, Sally Up/Down training Song, Fitness COACH MODE, Cross Training AMRAP, For Time, Precision Chronometer/Stopwatch, and Interval timer up to 4 Intervals. NEW! - Select your favorite sound guidance inside the Workout Timer. Choose beeps, Songs, or COACH MODE sound guidance. All of them compatible with your favorite music apps like Spotify, Tidal, Deezer, or Apple Music!! Velites Timer will help you stay always motivated! The Best Cross Training Athletes already use it as their go to Timer on Open Box Days and Daily Training. Velites Timer's design is precisely like the classic Cross Training Box Wall Interval Timer but on your phone and super easy to use! See always big numbers from any distance, thanks to its vast number resolution. Velites Interval and Tabata Workout Timer Features include: - Special Design for Cross Training athletes: Perfect for Strength Fitness Workouts,Weight-Lifting, Home Workouts, and HIIT! Train anytime, anywhere. - TABATA workouts with original songs: With Velites Tabata Timer and a single click, you will have 2 original songs for intense Tabata Training (More coming soon). Feel the music for 4 minutes of Tabata workout at 20-second intervals of work and 10 seconds of rest! - Sally up/down training song: The classic Cross Training challenge for Squats, Pushups, Abs training, or any exercise challenge you can come up with. 204 seconds following beeps or Green Sally Up/Down Original music. - Fitness COACH MODE to motivate you during training and tell you the rounds left without looking at it. Fitness COACH MODE will help you crush every workout thanks to motivational words and reminders. - Interval Timer function up to 4 Intervals: You can create any interval workout you can imagine and up to 4 Intervals. Perfect for any Cross Training, HIIT, or Home Workout Session alone or with friends. Standard 2 Intervals with Rest and workout times can also be easily configured. - Precise Chronometer: Tenths and hundredths of second have been added in the stopwatch function in case you want to be exact with lap or time Chronometer. - Home Workout Up/Down Stopwatch: Set the Timer to count down from 99 min and 59 sec to 0 with ease. If you prefer Up counting, configure the Coun-Up from 0 up to 99 min and 59 seconds. Includes play/pause/restart Clock functions available at all times. - EMOM timer: Configure your EMOM for strength, endurance, run, row, jump rope, or Cross Training workouts between 1 to 99 rounds of 1 minute. - Create and save your Custom workouts: With the new update, there are 4 different configurable intervals. Configure them once and keep them for your next Cross Training WOD or Home Workout. - Includes full Timer Video Tutorial: Watch it and start your training NOW! Although it is super easy to set-up any workout, a video tutorial is included in case you need assistance. Be Free, Be Bold... Be Velites!
Screenshots
Verdict
The clearest difference is in-app purchases: Velites Workout Interval Timer at none against HIIT Interval Timer | Cero's 2. Velites Workout Interval Timer also leads on iOS requirement (12.1 vs 16.0). HIIT Interval Timer | Cero's advantage is update cadence (every 3 days vs fortnightly) and ratings volume (435 vs 112). On price, rating, review sentiment and ads 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. Velites Workout Interval Timer asks for nothing beyond the download.
On the App Store both sit at effectively the same score — 4.7 for HIIT Interval Timer | Cero against 4.8 for Velites Workout Interval Timer. Both are backed by a comparable volume of ratings — 435 and 112 respectively. Written reviews are what separate them: 75% of HIIT Interval Timer | Cero's written reviews are positive against 79% of Velites Workout Interval Timer's.
HIIT Interval Timer | Cero ships an update every 3 days, Velites Workout Interval Timer fortnightly. The most recent releases landed on October 12, 2026 and October 3, 2026 respectively.
| Parameter | HIIT Interval Timer | Cero | Velites Workout Interval Timer |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (435 ratings) | 4.8 (112 ratings) — better |
| Positive reviews | 74.6% of reviews | 78.6% of reviews — better |
| Number of ratings | 435 — better | 112 |
| Update frequency | Every 3 days — better | Fortnightly |
| Ads | Yes | Yes |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Ad-supported — better |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, iPod |
| Requires iOS | 16.0 | 12.1 — better |
| Further details — not scored | ||
| Size | 43 MB | 29 MB |
| Age rating | 4+ | 4+ |
| Developer | Flawless Studio LLC | TimerWOD |
Customer experience
HIIT Interval Timer | Cero
Velites Workout Interval Timer
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
Velites Workout Interval Timer
Not enough reviews yet to summarise bugs or requests.
In-app purchases
HIIT Interval Timer | Cero
- Cero Pro Monthly7 Days trial$2.991 Month
- Cero Pro$14.99
Velites Workout Interval Timer
No in-app purchases
Questions
Is HIIT Interval Timer | Cero free?
Is Velites Workout Interval Timer free?
Which has better reviews, HIIT Interval Timer | Cero or Velites Workout Interval Timer?
Do HIIT Interval Timer | Cero or Velites Workout Interval Timer have ads?
Which is updated more often, HIIT Interval Timer | Cero or Velites Workout Interval Timer?
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