HIIT Interval Timer | Cero vs Yoga Interval Timer | Namaste
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/
Yoga Interval Timer | Namaste
This app serves as a personalized yoga instructor, allowing you to create custom yoga routines with various poses and segments. It offers detailed analytics to track your progress and includes a library of calming sounds to enhance your practice.
- Customizable yoga profiles
- Pose segmentation
- Progress analytics
- HealthKit integration
- Library of calming sounds
- App theme customization
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Namaste is your personalized yoga instructor and tranquil sanctuary right in the comfort of your pocket. Grounded in the ancient wisdom of yoga, Namaste helps you create, manage and refine your unique yoga practice with a rich array of features and customization options. The app allows you to create profiles tailored to your preferences, goals, and skill levels. Each profile consists of different segments, with each segment representing a unique yoga pose or asana. Whether you are just embarking on your yoga journey or you are an advanced practitioner, Namaste adapts to your needs, offering a diverse array of asanas from the most basic to the more intricate and challenging ones. Namaste's detailed analytics and integration with Apple's HealthKit empowers you to track your progress in real-time. Observe and monitor your breath, flexibility, stamina and consistency as you evolve on your yoga journey. Whether you want to work on your tree pose or perfect your headstand, Namaste will offer insights that help you understand your body better and progress at your own pace. At the core of Namaste lies a commitment to create a soothing and conducive environment for your practice. To this end, we have integrated a serene library of bells and singing bowls, each carrying a unique vibration that is meant to aid relaxation and increase focus. Let the gentle rhythms of these ancient instruments guide your breath as you flow from one pose to the next. To further enhance your experience, Namaste offers a variety of beautiful themes that you can use to personalize the app. Namaste's Privacy Policy: https://zenfoundry.co/privacy-policy/ Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is rating: HIIT Interval Timer | Cero at 4.7 against Yoga Interval Timer | Namaste's 3.3. HIIT Interval Timer | Cero also leads on review sentiment (75% vs 50%) and ratings volume (435 vs 6). Yoga Interval Timer | Namaste's advantage is ads (none vs shown). On price, in-app purchases, monetization model 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 1 one-off in-app purchase and Yoga Interval Timer | Namaste sells 3 in-app purchases, starting at $1.99 per month. 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 3.3. That said, the two scores are not equally well evidenced: HIIT Interval Timer | Cero has 435 ratings behind it against 6, 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 50% of Yoga Interval Timer | Namaste's.
HIIT Interval Timer | Cero ships an update every 2 weeks, Yoga Interval Timer | Namaste monthly. The most recent releases landed on September 20, 2026 and September 3, 2026 respectively.
| Parameter | HIIT Interval Timer | Cero | Yoga Interval Timer | Namaste |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (435 ratings) — better | 3.3 (6 ratings) |
| Positive reviews | 74.6% of reviews — better | 50.0% of reviews |
| Number of ratings | 435 — better | 6 |
| Update frequency | Every 2 weeks — better | Monthly |
| Ads | Yes | No — better |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, iPod |
| Requires iOS | 16.0 | 15.6 — better |
| Further details — not scored | ||
| Size | 42 MB | 26 MB |
| Age rating | 4+ | 4+ |
| Developer | Flawless Studio LLC | Bart Jacobs |
Customer experience
HIIT Interval Timer | Cero
Yoga Interval Timer | Namaste
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
Yoga Interval Timer | Namaste
Not enough reviews yet to summarise bugs or requests.
In-app purchases
HIIT Interval Timer | Cero
- Cero Pro$3.99
Yoga Interval Timer | Namaste
- Namaste Premium Monthly$1.991 Month
- Namaste Premium$14.991 Year
- Namaste Premium Yearly$14.991 Year
Questions
Is HIIT Interval Timer | Cero free?
Is Yoga Interval Timer | Namaste free?
Which has better reviews, HIIT Interval Timer | Cero or Yoga Interval Timer | Namaste?
Do HIIT Interval Timer | Cero or Yoga Interval Timer | Namaste have ads?
Which is updated more often, HIIT Interval Timer | Cero or Yoga Interval Timer | Namaste?
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