Comparison

Interval Timer □ HIIT Timer vs Hi Timer

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

Hi Timer

Create and customize your own interval workouts with this intuitive timer app. Features include quick start templates, advanced customization, voice cues, and background operation. Seamlessly integrate with your music and save workouts to Apple Health.

Highlights
  • Customizable interval workouts
  • Quick start templates (Tabata)
  • Drag & drop interface
  • Voice and sound cues
  • Background operation
  • Music integration
  • HealthKit integration
Features
Read full description

Hi Timer, Your Personal Interval Training Companion Hi Timer makes it effortless to create and customise your own interval workouts. Whether you’re jumping into a quick Tabata session or building advanced routines like Circuits and Combinations, Hi Timer gives you the tools to stay on track and motivated. Hi Timer is designed to be simple enough for quick sessions, yet powerful enough to handle the most complex training routines. With its intuitive drag-and-drop interface, powerful customization options, and seamless background performance, Hi Timer helps you focus on your workout, not your phone. Featuring: - Quick Start Templates – Get moving right away with popular HIIT formats like Tabata. - Advanced Customisation – Build Circuits, Combinations, or fully custom routines with unlimited flexibility. - Drag & Drop Simplicity – Reorder intervals and sub-timers with ease. - Voice & Sound Cues – Interval names read aloud via text-to-speech, so you never need to glance at your screen. - Works in the Background – Keep your timer running with the screen locked or while using other apps. - Music Integration – Play your own tracks from Apple Music, your library, or other apps alongside your workout. - Smart Sounds – Choose start sounds, halfway alerts, and custom audio cues for every interval. - Cloud Sync & Sharing – Access your timers across devices or share them instantly with friends via a simple link. - HealthKit Integration – Save your completed workouts to Apple Health. This app is for timing only and does not provide medical or fitness advice. Consult a licensed healthcare professional before beginning any exercise program. This app contains optional in-app purchases that grant full access to unlimited timers and workouts, and the ability to share timers between devices. You may be offered a free trial for the Premium subscription. After the free trial period, if offered, the subscription automatically renews with the price and duration given above unless it is cancelled at least 24 hours before the end of the current period. Payment will be charged to your Apple ID account at the confirmation of purchase. Your account will be charged for renewal within 24 hours prior to the end of the current period. You can manage and cancel your subscriptions by going to your account settings on the App Store after purchase. Any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription to that publication, where applicable. Removing the app doesn’t automatically cancel the subscription. Terms of use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Interval Timer □ HIIT Timer4 screens
Hi Timer4 screens

Verdict

The call

The clearest difference is review sentiment: Hi Timer at 100% against Interval Timer □ HIIT Timer's 61%. Hi Timer also leads on rating (5.0 vs 4.8). Interval Timer □ HIIT Timer's advantage is ratings volume (86K vs 1). On price, update cadence, 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 Hi Timer sells 3 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Hi Timer 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 86K ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 61% of Interval Timer □ HIIT Timer's written reviews are positive against 100% of Hi Timer's.

UpkeepUpdate frequency

Interval Timer □ HIIT Timer ships an update every 5 weeks, Hi Timer every 3 weeks. The most recent releases landed on October 14, 2026 and October 3, 2026 respectively.

Scorecard3 real differences · 7 level
Interval Timer □ HIIT Timer versus Hi Timer: the parameters behind the verdict, then further details
ParameterInterval Timer □ HIIT TimerHi Timer
PriceFreeFree
Rating4.8 (86K ratings)5.0 (1 ratings) — better
Positive reviews60.7% of reviews100.0% of reviews — better
Number of ratings86K — better1
Update frequencyEvery 5 weeksEvery 3 weeks — better
AdsNoNo
In-app purchasesYesYes
MonetizationFreemiumFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.615.0 — better
Further details — not scored
Size34 MB17 MB
Age rating4+17+
DeveloperFloat Tech, LLCSophie Payne

Customer experience

Interval Timer □ HIIT Timer

All ratings85,854 ratings
Positive96.7%
Neutral1.2%
Negative2.1%
Written reviews1,831 reviews
Positive60.7%
Neutral6.2%
Negative33.0%

Hi Timer

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

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

Hi Timer

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

Hi Timer

Subscriptions2
  • Hi Timer Premium Monthly$0.991 Month
  • Hi Timer Premium Yearly7 Days trial$3.991 Year
One-time1
  • HiTimer Forever$6.99

Questions

Is Interval Timer □ HIIT Timer free?
Interval Timer □ HIIT Timer is free to download, with in-app purchases available.
Is Hi Timer free?
Hi Timer is free to download, with in-app purchases available.
Which has better reviews, Interval Timer □ HIIT Timer or Hi Timer?
Hi Timer is rated higher. Interval Timer □ HIIT Timer averages 4.8 out of 5 from 86K ratings, while Hi Timer averages 5.0 from 1 ratings.
Do Interval Timer □ HIIT Timer or Hi Timer have ads?
Neither Interval Timer □ HIIT Timer nor Hi Timer shows ads.
Which is updated more often, Interval Timer □ HIIT Timer or Hi Timer?
Interval Timer □ HIIT Timer ships an update every 5 weeks, and Hi Timer every 3 weeks. Most recently, Interval Timer □ HIIT Timer was updated on October 14, 2026 and Hi Timer on October 3, 2026.

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