Comparison

Sprint Eight vs Interval Timer HIIT Workout

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

Head to head
About

Sprint Eight

This app guides you through a high-intensity interval training workout designed for maximum calorie burn in minimal time. It provides timed intervals for sprinting and resting, allowing you to perform the exercise without specialized equipment.

Highlights
  • High Intensity Interval Training (HIIT)
  • Maximum calorie burn
  • No extra equipment needed
  • Timed sprint and rest intervals
  • 30-second sprint / 90-second rest cycle
Features
Read full description

Working out is never fun so you need to get the most out of your workout when you can do it. Sprint-8 is a form of High Intensity Interval Training (HIIT) that allows maximum calorie burn in the shortest timeframe. Usually, this particular workout is done on a treadmill or stationary bicycle. This app lets you do the Sprint-8 workout and not have to have any extra equipment. It tells you when to sprint and then when to rest. Sprint-8 does this on a 30 second sprint/90 second rest cycle.

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.

Screenshots

Sprint Eight2 screens
Interval Timer HIIT Workout4 screens

Verdict

The call

The clearest difference is rating: Interval Timer HIIT Workout at 4.8 against Sprint Eight's 4.3. Interval Timer HIIT Workout also leads on update cadence (weekly vs every 6 weeks) and ratings volume (334 vs 10). Sprint Eight's advantage is in-app purchases (none vs 5) and ads (none vs shown). On price, review sentiment 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

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. Sprint Eight asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Interval Timer HIIT Workout holds the better App Store score, 4.8 against 4.3. That said, the two scores are not equally well evidenced: Interval Timer HIIT Workout has 334 ratings behind it against 10, so its average is the more settled of the two. Written reviews point the same way: 60% of Sprint Eight's written reviews are positive against 67% of Interval Timer HIIT Workout's.

UpkeepUpdate frequency

Sprint Eight ships an update every 6 weeks, Interval Timer HIIT Workout weekly. The most recent releases landed on September 16, 2026 and October 14, 2026 respectively.

Scorecard7 real differences · 3 level
Sprint Eight versus Interval Timer HIIT Workout: the parameters behind the verdict, then further details
ParameterSprint EightInterval Timer HIIT Workout
PriceFreeFree
Rating4.3 (10 ratings)4.8 (334 ratings) — better
Positive reviews60.0% of reviews66.7% of reviews — better
Number of ratings10334 — better
Update frequencyEvery 6 weeksWeekly — better
AdsNo — betterYes
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, Apple Watch
Requires iOS10.3 — better18.0
Further details — not scored
Size21 MB96 MB
Age rating4+4+
DeveloperBrad McAnalleyRoli LLC

Customer experience

Sprint Eight

All ratings10 ratings
Positive80.0%
Neutral10.0%
Negative10.0%
Written reviews5 reviews
Positive60.0%
Neutral20.0%
Negative20.0%

Interval Timer HIIT Workout

All ratings334 ratings
Positive96.7%
Neutral1.5%
Negative1.8%
Written reviews18 reviews
Positive66.7%
Neutral11.1%
Negative22.2%

In-app purchases

None

Sprint Eight

No 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

Questions

Is Sprint Eight free?
Sprint Eight is free to download, with no in-app purchases.
Is Interval Timer HIIT Workout free?
Interval Timer HIIT Workout is free to download, with in-app purchases available.
Which has better reviews, Sprint Eight or Interval Timer HIIT Workout?
Interval Timer HIIT Workout is rated higher. Sprint Eight averages 4.3 out of 5 from 10 ratings, while Interval Timer HIIT Workout averages 4.8 from 334 ratings.
Do Sprint Eight or Interval Timer HIIT Workout have ads?
Interval Timer HIIT Workout shows ads; Sprint Eight does not.
Which is updated more often, Sprint Eight or Interval Timer HIIT Workout?
Sprint Eight ships an update every 6 weeks, and Interval Timer HIIT Workout weekly. Most recently, Sprint Eight was updated on September 16, 2026 and Interval Timer HIIT Workout on October 14, 2026.

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