Comparison

Interval Timer HIIT Workout vs Lift Lab Pro

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Interval Timer HIIT Workout

Customize your HIIT and Tabata workouts with this versatile interval timer. Features AI voice cues from celebrity personalities, music integration, and Apple Health syncing. Track your progress and share routines with ease.

Highlights
  • Customizable work/rest periods
  • AI voice cues from celebrity personalities
  • Music integration
  • Apple Health & Apple Watch sync
  • Save and organize workouts
  • Real-time exercise on-screen cues
  • Share workouts with others
Features
Read full description

The ultimate Interval Timer for your HIIT Workouts and Tabata training! Our app is the perfect Workout Timer, offering customizable work/rest periods for High Intensity Interval Training, Tabata, Running, Boxing and circuit training. Achieve peak interval performance with our EXCLUSIVE AI Voice Cues (feat. Arnold, Snoop & The Rock) that keep you motivated without interrupting your music! Why this timer? We added voice cues from AI versions of Arnold Schwarzenegger, Snoop Dogg, and The Rock. Because honestly, who wouldn't want Arnold yelling "PUMP UP THOSE MUSCLES" between sets when you're still wondering "WTF was I thinking doing this workout"? - CUSTOMIZABLE WORKOUTS: Tailor your interval timer for any HIIT, Tabata, or circuit training session. - MUSIC INTEGRATION. Your music keeps playing while the cues run during your interval timer training - no interruptions. Who are we to judge what you listen to? - AI VOICE QUEUES. Get motivated by AI Arnold, Snoop Dogg, & The Rock for a truly fun workout timer experience. - LOCKED SCREEN MODE. Cues still play even when your phone is locked—because you shouldn't have to keep your screen on. You need to save that battery % for all that social media scrolling. - APPLE HEALTH & APPLE WATCH. Your workouts automatically sync to Apple Health with live heart rate monitoring and heart rate zones right on screen. Start a workout on your iPhone and your Watch joins in automatically. Your calories, duration, and heart rate — all tracked, all saved, zero effort. - SAVE AND ORGANIZE INTERVAL TIMER WORKOUTS. color-coded, named, and ready for quick access. Easiest thing about your workout is going to be starting the timer - the workout itself - not so much. - BIG CLEAR NUMBERS WITH COLOR CODED SCREENS - so you can see your time from a distance. Like across the gym. - REAL TIME EXERCISE ON-SCREEN CUES—enter your exercise names, and they'll show up on-screen during interval timer workouts and announce what's coming next during rest. At that point you may regret adding one extra round. - SHARE WORKOUTS WITH OTHERS – perfect for coaches with clients. Or that friend that needs to lay off donuts and do some serious sweating. Perfect for: - Interval timer training - High-Intensity Interval Training (HIIT timer training) - Tabata timer workouts - Circuit training & CrossFit - Boxing/MMA training - Strength training & cardio - Personal trainers & group fitness - Interval timer running - Forcing yourself to take a break while bindge watching Netflix (for real, you can put 40 minutes "work" and 5 minutes "rest"). Again, no judgement zone, you do what you want. Still reading? Just download. See the app for yourself.

About

Lift Lab Pro

Features
Read full description

Your personal AI fitness coach is here. LiftLab Pro combines cutting-edge AI technology with comprehensive fitness tracking to deliver a truly personalized training experience. **AI-POWERED WORKOUT PROGRAMS** Get a custom 8-week workout program designed specifically for you. Our AI considers your goals, experience level, available equipment, schedule, and any injuries to create the perfect training plan. Whether you want to build muscle, lose fat, gain strength, or improve athletic performance - your program adapts to YOU. **INTELLIGENT NUTRITION TRACKING** Track your nutrition effortlessly with 5 easy ways to log meals: • Snap a photo - AI identifies your food instantly • Scan barcodes for packaged foods • Search our extensive food database • Describe your meal to our AI chat • Quick add with manual entry Watch your calories, protein, carbs, and fats with beautiful macro tracking. Set custom targets based on your goals. **24/7 AI COACH** Have questions? Your AI coach is always available. Ask for exercise alternatives, nutrition advice, form tips, or motivation - get instant, personalized responses based on your fitness profile and recent activity. **MID-WORKOUT ASSISTANCE** Need to swap an exercise during your workout? Just ask. Our AI chat works right inside your active workout, letting you modify exercises on the fly without breaking your flow. Supports voice commands for hands-free interaction. **COMPREHENSIVE PROGRESS TRACKING** See your transformation with detailed analytics: • Weight trends with historical data • Volume progression (total weight lifted) • Workout frequency charts • Body measurements • Progress photos with comparison views • Automatic personal record detection **SEAMLESS HEALTHKIT INTEGRATION** LiftLab Pro connects with Apple Health to sync your weight history, active calories, steps, and more. Your fitness data flows seamlessly between your Apple Watch and the app. **ACHIEVEMENT SYSTEM** Stay motivated with 20+ achievements including workout milestones, streak rewards, volume records, and more. Celebrate your progress with satisfying unlock animations. **WORKOUT BUDDY** Connect with friends for accountability. Share your workout activity, see when your buddy trains, and stay motivated together. **FEATURES AT A GLANCE** AI-generated personalized workout programs Photo-based food recognition Barcode scanner for nutrition tracking 200+ exercise database with proper form guidance Rest timer with audio alerts Progress charts and analytics Body measurements tracking Progress photo gallery Personal records tracking HealthKit sync Dark mode support Metric and Imperial units YOUR DATA, YOUR CONTROL Your fitness journey is personal. All data is stored securely with optional iCloud sync. No data is shared with third parties. Download LiftLab Pro today and experience the future of fitness coaching.

Screenshots

Interval Timer HIIT Workout4 screens
Lift Lab Pro4 screens

Verdict

The call

The clearest difference is in-app purchases: Lift Lab Pro at none against Interval Timer HIIT Workout's 5. Lift Lab Pro also leads on ads (none vs shown). Interval Timer HIIT Workout's advantage is update cadence (weekly vs every 2 months). 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Interval Timer HIIT Workout sells 5 in-app purchases, starting at $1.99 per month. Lift Lab Pro asks for nothing beyond the download.

UpkeepUpdate frequency

Interval Timer HIIT Workout ships an update weekly, Lift Lab Pro every 2 months. The most recent releases landed on October 18, 2026 and September 30, 2026 respectively.

Scorecard3 real differences · 7 level
Interval Timer HIIT Workout versus Lift Lab Pro: the parameters behind the verdict, then further details
ParameterInterval Timer HIIT WorkoutLift Lab Pro
PriceFreeFree
Rating4.8 (334 ratings) — better—
Positive reviews66.7% of reviews—
Number of ratings334 — better—
Update frequencyWeekly — betterEvery 2 months
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, Apple Watch — betteriPhone, iPad
Requires iOS18.017.0 — better
Further details — not scored
Size96 MB5 MB
Age rating4+4+
DeveloperRoli LLCTrace Hildebrand

In-app purchases

5 purchases

Interval Timer HIIT Workout

Subscriptions4
  • Monthly Subscription7 Days trial$1.991 Month
  • Monthly Subscription$2.991 Month
  • Yearly Subscription1 Year trial$29.991 Year
Show 1 more
  • Yearly Subscription7 Days trial$29.991 Year
One-time1
  • One Time Purchase$19.99
None

Lift Lab Pro

No in-app purchases

Questions

Is Interval Timer HIIT Workout free?
Interval Timer HIIT Workout is free to download, with in-app purchases available.
Is Lift Lab Pro free?
Lift Lab Pro is free to download, with no in-app purchases.
Do Interval Timer HIIT Workout or Lift Lab Pro have ads?
Interval Timer HIIT Workout shows ads; Lift Lab Pro does not.
Which is updated more often, Interval Timer HIIT Workout or Lift Lab Pro?
Interval Timer HIIT Workout ships an update weekly, and Lift Lab Pro every 2 months. Most recently, Interval Timer HIIT Workout was updated on October 18, 2026 and Lift Lab Pro on September 30, 2026.

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