Comparison

Interval Timer □ HIIT Timer vs Adrenaline Performance

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 Timer

Create custom workout timers with adjustable intervals for exercise and rest. Track your progress with detailed history and statistics, and repeat past workouts easily. Enjoy audio cues without interrupting your music.

Highlights
  • Customizable intervals
  • Workout and rest timers
  • Voice or beep guides
  • Background audio support
  • Workout history and statistics
  • Repeat previous workouts
Features
Read full description

A simple and beautiful interval timer. 1. Drag to set your custom intervals for workout, rest, rounds, etc 2. Tap to start. Interval Timer doesn't interfere with your music or other apps: ∙ Listen to your music apps while you workout. ∙ Voice or beep guides for every workout. ∙ You can leave the app and still listen to the audio guides, in order to follow a workout you found online. And no need to manually record your workouts: ∙ Detailed history and statistics pages to track your progress. ∙ Repeat a previous workout from your history, so you don't need to set it again. If you have any ideas for how to improve the app, just tap "Contact Support' inside the app and let us know! We are always trying to improve Interval Timer This app includes an optional auto-renewable subscription (Premium Pass): Premium Pass beings with a free trial period, then an auto-renewable monthly subscription when trial ends. Payment will be charged to your Apple account at confirmation of purchase and will automatically renew (at the duration/price selected) unless auto-renew is turned off at least 24 hrs before the end of the current period. Account will be charged for renewal within 24-hours prior to the end of the current period. Current subscription may not be cancelled during the active subscription period; however, you can manage your subscription and/or turn off auto-renewal by visiting your Apple Account Settings after purchase. Any unused portion of the free initial period will be forfeited when you purchase a subscription. Privacy Policy: https://float.support/interval-timer/privacy Terms of Use: https://float.support/interval-timer/terms

About

Adrenaline Performance

Features
Read full description

Get strong, explosive and ready for every run. Adrenaline Performance is the training app built for skiers: it turns your goals, your schedule and your gym into a plan, then coaches you through every session. Stop guessing in the gym. Show up to first chair with legs that last until last chair. A PLAN BUILT AROUND YOU Tell us how you ride, which days you can train, what equipment you have and anything that hurts. You get a program that fits where you are in the year: pre-season, in-season or off-season. Open today's session and go. YOUR ADAPTIVE COACH (PRO) Move a session, swap an exercise, plan around a ski trip, or ask what to focus on this week. The coach knows your program, your logged sessions, your check-ins and your personal records, so every answer is about your training. It can build or adjust your plan, and nothing changes until you approve it. TRAIN WITH FOCUS Work through each session set by set, with rest timers, your previous numbers and load suggestions right on screen. Personal records are tracked the moment you set them. Day, week and block views show exactly where you are in the plan. BUILD THE HABITS THAT WIN SEASONS Daily check-ins for sleep, soreness and energy. Habits that keep you consistent. A Sunday recap of how your week went and what is coming next. FUEL LIKE AN ATHLETE (PRO) Snap a photo of your meal or describe it, and see your calories and macros against your daily targets. CONNECT YOUR WEARABLES (PRO) Apple Health, Garmin and other wearables fill in your check-in for you. THE SHRED SHACK Train alongside a crew of skiers and riders. Share a session, ask a question, and see what everyone else is putting in. Reporting and blocking are built in. TRY PRO FREE FOR 14 DAYS Start a 14-day free trial of Pro right in the app, with no payment details needed. After that, keep Pro with a monthly plan, a six-month season pass or a yearly plan. Prices are shown in the app before you buy. Health and nutrition answers show their sources. The coach is not a substitute for medical advice. Subscriptions renew automatically until you cancel. Manage or cancel yours in your App Store subscription settings. Terms: https://app.adrenalineperformance.co/terms Privacy: https://app.adrenalineperformance.co/privacy Health sources: https://app.adrenalineperformance.co/health-sources Support: https://app.adrenalineperformance.co/support

Screenshots

Interval Timer □ HIIT Timer4 screens
Adrenaline Performance4 screens

Verdict

The call

The clearest difference is ratings volume: Interval Timer □ HIIT Timer at 87K against Adrenaline Performance's 2. Adrenaline Performance's advantage is update cadence (every 11 days vs every 5 weeks). On price, rating, ads and in-app purchases 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 Timer sells 5 in-app purchases, starting at $1.99 per month and Adrenaline Performance sells 3 in-app purchases, starting at $49.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Adrenaline Performance holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Interval Timer □ HIIT Timer has 87K ratings behind it against 2, so its average is the more settled of the two.

UpkeepUpdate frequency

Interval Timer □ HIIT Timer ships an update every 5 weeks, Adrenaline Performance every 11 days. The most recent releases landed on November 6, 2026 and November 5, 2026 respectively.

Scorecard2 real differences · 8 level
Interval Timer □ HIIT Timer versus Adrenaline Performance: the parameters behind the verdict, then further details
ParameterInterval Timer □ HIIT TimerAdrenaline Performance
PriceFreeFree
Rating4.8 (87K ratings)5.0 (2 ratings) — better
Positive reviews60.6% of reviews—
Number of ratings87K — better2
Update frequencyEvery 5 weeksEvery 11 days — better
AdsNoNo
In-app purchasesYesYes
MonetizationFreemium—
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS15.615.1 — better
Further details — not scored
Size34 MB44 MB
Age rating4+12+
DeveloperFloat Tech, LLCMARCUSG360 HOLDINGS INC.

Bugs and requests

Interval Timer □ HIIT Timer

Reported bugs

3 issues
  • Timer not always accurate
  • Favorites/saved workouts feature not working
  • Inconsistent behavior when pausing/resuming

Requested features

3 requests
  • Ability to save and name custom workouts
  • More flexibility in exercise/rest time settings
  • Option to adjust volume of voice prompts

Adrenaline Performance

Not enough reviews yet to summarise bugs or requests.

In-app purchases

5 purchases

Interval Timer □ HIIT Timer

Subscriptions2
  • Premium Pass7 Days trial$1.991 Month
  • Premium Pass7 Days trial$2.991 Month
One-time3
  • Lifetime Pass$14.99
  • Lifetime Pass$19.99
  • Premium Forever Promo$29.99
3 purchases

Adrenaline Performance

Subscriptions3
  • Pro$49.991 Month
  • Pro 6 Months$249.006 Months
  • Pro Yearly$449.001 Year

Questions

Is Interval Timer □ HIIT Timer free?
Interval Timer □ HIIT Timer is free to download, with in-app purchases available.
Is Adrenaline Performance free?
Adrenaline Performance is free to download, with in-app purchases available.
Which has better reviews, Interval Timer □ HIIT Timer or Adrenaline Performance?
Adrenaline Performance is rated higher. Interval Timer □ HIIT Timer averages 4.8 out of 5 from 87K ratings, while Adrenaline Performance averages 5.0 from 2 ratings.
Do Interval Timer □ HIIT Timer or Adrenaline Performance have ads?
Neither Interval Timer □ HIIT Timer nor Adrenaline Performance shows ads.
Which is updated more often, Interval Timer □ HIIT Timer or Adrenaline Performance?
Interval Timer □ HIIT Timer ships an update every 5 weeks, and Adrenaline Performance every 11 days. Most recently, Interval Timer □ HIIT Timer was updated on November 6, 2026 and Adrenaline Performance on November 5, 2026.

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