Comparison

Interval Timer HIIT Workout vs Go&Rest

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

Go&Rest

This app provides a customizable interval timer for high-intensity interval training. It features a distraction-free interface, fullscreen display for group visibility, and background operation. Users can define custom workout routines and choose from various audio cues or voice coaches.

Highlights
  • Customizable work and rest intervals
  • Unlimited routine saving
  • Fullscreen landscape mode for groups
  • Background operation
  • Multiple audio cue options
  • Optional voice coaches
Features
Read full description

Go&Rest – HIIT Interval Timer Go&Rest is a clean HIIT timer with zero distractions, built for people who just want to work. No ads interrupting your workout, no hidden subscriptions, no sign-up. Just open the app and go. All core features are free. Unlock premium features with a single one-time purchase – no monthly fees, no subscription. TRAIN BY YOUR OWN RULES Set your work and rest intervals, the number of sets and rounds, plus an optional warm-up and cool-down. Want to start right away? The default 2:1 ratio (40s work / 20s rest) gives you a solid 17-minute workout instantly. Save unlimited workouts and launch them with a single tap. GROUP TRAINING? NO PROBLEM! Switch to landscape mode with one tap. The timer fills the entire screen so everyone in the room can see it clearly – perfect for group classes, CrossFit boxes or home gyms. YOUR WORKOUT, YOUR SOUND Choose from voice coaches (motivating or concise), simple audio cues (beeps, bells) or clean vibrations. TRACK YOUR PROGRESS After every workout, rate how hard it was and watch yourself improve. Premium unlocks the full History: streaks, weekly volume, a graph of both time and intensity, and a detail view for every session. You can also back up your data and restore it anytime. PREMIUM VOICE COACHES Want a partner for your toughest sets? Unlock unique voice coaches – the relentless Warrior, the futuristic Cyborg or the magical Wizard. Try any premium voice free for 7 days with one short ad. GO&REST PREMIUM Unlock every premium feature with a single purchase, no subscription. Premium gives you the full workout History, data backup and restore, all voice coaches and characters – and removes ads. Available in English, Czech and Slovak.

Screenshots

Interval Timer HIIT Workout4 screens
Go&Rest4 screens

Verdict

The call

The clearest difference is monetization model: Go&Rest at free against Interval Timer HIIT Workout's free with in-app purchases. Go&Rest also leads on iOS requirement (15.1 vs 18.0). Interval Timer HIIT Workout's advantage is ratings volume (328 vs 8) and update cadence (weekly vs every 3 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 Workout sells 5 in-app purchases, starting at $1.99 per month and Go&Rest sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.8 for Interval Timer HIIT Workout against 4.9 for Go&Rest. That said, the two scores are not equally well evidenced: Interval Timer HIIT Workout has 328 ratings behind it against 8, so its average is the more settled of the two.

UpkeepUpdate frequency

Interval Timer HIIT Workout ships an update weekly, Go&Rest every 3 weeks. The most recent releases landed on September 30, 2026 and September 20, 2026 respectively.

Scorecard4 real differences · 6 level
Interval Timer HIIT Workout versus Go&Rest: the parameters behind the verdict, then further details
ParameterInterval Timer HIIT WorkoutGo&Rest
PriceFreeFree
Rating4.8 (328 ratings)4.9 (8 ratings) — better
Positive reviews66.7% of reviews—
Number of ratings328 — better8
Update frequencyWeekly — betterEvery 3 weeks
AdsYesYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, Apple WatchiPhone, iPad, iPod
Requires iOS18.015.1 — better
Further details — not scored
Size109 MB104 MB
Age rating4+9+
DeveloperRoli LLCRobert Dominguez

Customer experience

Interval Timer HIIT Workout

All ratings328 ratings
Positive97.0%
Neutral1.2%
Negative1.8%
Written reviews18 reviews
Positive66.7%
Neutral11.1%
Negative22.2%

Go&Rest

All ratings8 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

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
1 purchases

Go&Rest

One-time1
  • Go&Rest Premium$4.99

Questions

Is Interval Timer HIIT Workout free?
Interval Timer HIIT Workout is free to download, with in-app purchases available.
Is Go&Rest free?
Go&Rest is free to download, with in-app purchases available.
Which has better reviews, Interval Timer HIIT Workout or Go&Rest?
Go&Rest is rated higher. Interval Timer HIIT Workout averages 4.8 out of 5 from 328 ratings, while Go&Rest averages 4.9 from 8 ratings.
Do Interval Timer HIIT Workout or Go&Rest have ads?
Both Interval Timer HIIT Workout and Go&Rest show ads.
Which is updated more often, Interval Timer HIIT Workout or Go&Rest?
Interval Timer HIIT Workout ships an update weekly, and Go&Rest every 3 weeks. Most recently, Interval Timer HIIT Workout was updated on September 30, 2026 and Go&Rest on September 20, 2026.

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