HIIT Interval Timer | Cero vs YourDigitalLift
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/
YourDigitalLift
Monitor your workouts, meals, water intake, and daily habits. Receive weekly diet analysis to help you reach your fitness goals. Connect with a community for updates and support.
- Exercise tracking
- Diet monitoring
- Water intake logging
- Habit tracking
- Weekly diet analysis
- Community feature
- Progress tracking
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Track your exercise, diet, water and habits using our app. Get to know your weekly diet analysis and stay on track with your goal. Stay connected with us and our updates via community feature. Track your progress Download our app now and enjoy the benefits. We require following permissions: Photo - To upload your profile picture, community posts, etc Camera - To take your photo, video, etc Push Notifications - To help you stay updated with announcements, reminders, etc. Microphone - To add audio support while recording video through app Disclaimer - The app provides a diet plan. Reference to all food data sources is mentioned in the diet plan section. Please seek a doctor’s advice in addition to using this app and before making any medical decisions.
Screenshots
Verdict
The clearest difference is in-app purchases: YourDigitalLift at none against HIIT Interval Timer | Cero's 1. YourDigitalLift 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 monthly). On price 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. YourDigitalLift asks for nothing beyond the download.
HIIT Interval Timer | Cero ships an update every 2 weeks, YourDigitalLift monthly. The most recent releases landed on September 20, 2026 and June 7, 2026 respectively.
| Parameter | HIIT Interval Timer | Cero | YourDigitalLift |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (435 ratings) — better | — |
| Positive reviews | 74.6% of reviews | 100.0% of reviews — better |
| Number of ratings | 435 — better | — |
| Update frequency | Every 2 weeks — better | Monthly |
| 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, iPod |
| Requires iOS | 16.0 | 13.0 — better |
| Further details — not scored | ||
| Size | 42 MB | 113 MB |
| Age rating | 4+ | 4+ |
| Developer | Flawless Studio LLC | Uplyft Innovations Private Limited |
Customer experience
HIIT Interval Timer | Cero
YourDigitalLift
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
YourDigitalLift
Not enough reviews yet to summarise bugs or requests.
In-app purchases
HIIT Interval Timer | Cero
- Cero Pro$3.99
YourDigitalLift
No in-app purchases
Questions
Is HIIT Interval Timer | Cero free?
Is YourDigitalLift free?
Do HIIT Interval Timer | Cero or YourDigitalLift have ads?
Which is updated more often, HIIT Interval Timer | Cero or YourDigitalLift?
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