Comparison

HIIT vs Interval timer

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

Head to head
About

HIIT

This app offers short, high-intensity interval training (HIIT) workouts that can be done anywhere with no equipment. It provides scientifically proven exercises, custom timer templates, and progress tracking to help users achieve fitness results quickly.

Highlights
  • Short, high-intensity workouts
  • Customizable timer templates
  • Step-by-step instructions
  • Calendar and weight tracking
  • Voice and video guidance
  • Apple Health integration
Features
Read full description

Get our HIIT Workout app to get results FAST! Just 4 minutes of high intensity tabata intervals training will make you sweat and get your heart pumping. Replace long cardio workouts with shorter and more effective HIIT workouts. No equipment needed. Workout anytime,anywhere. No excuses. Features: • Scientifically proven short high intensity workouts to improve your health. • Custom templates so you can build your own timers. • Step by step instructions suitable for beginners and intermediates alike. • Calendar and weight tracker to track your progress. • Voice and video instructions. It's like having a personal trainer in your pocket. • This app is integrated with Apple Health to track your workouts,calories and weight. Free,quick and effective. What are you waiting for? Download the app,and get sweating! 7M - We heart fitness! SUBSCRIPTION PRICING AND TERMS We offer the following auto-renewing subscriptions: $29.99 per year $2.99 per week These prices are for United States customers. Pricing in other countries may vary and actual charges may be converted to your local currency depending on the country of residence. The subscription will automatically renew unless turned off in your iTunes Account Settings at least 24 hours before current period ends. You can go to your iTunes Account settings to manage your subscription and turn off auto-renew. Your iTunes Account will be charged when the purchase is confirmed. If you subscribe before your free trial ends,the rest of your free trial period will be forfeited as soon as your purchase is confirmed. Read more about our terms and conditions here: Terms of Use: https://7mfitness.com/terms-of-use/ Privacy Policy: https://7mfitness.com/privacy-policy/

About

Interval timer

This app helps you structure workouts with customizable timers for high-intensity intervals and rest periods. Track your progress, create personalized training plans, or use recommendations to achieve fitness goals. Enhance your sessions with customizable themes, sounds, and voiceovers.

Highlights
  • Customizable interval timers
  • Workout logging
  • Personalized training programs
  • Recommended routines
  • Customizable themes and sounds
  • Multiple voiceover options
Features
Read full description

An easy-to-use timer app useful for gym and home workouts and for separating periods of high activity and rest to stay most productive during your day. Create your own training programs or use our recommendations to suit your goals. Keep a daily workout log and motivate yourself to achieve new goals. Many options for customizing the appearance of the application, such as color themes, sounds and multiple voiceover choises. You will never miss a signal again. With this app you can get in shape, lose weight, keep a clear and focused mind and became more healthfull person. Privacy policy: https://timer.works/privacy.html Terms of Use: https://timer.works/terms.html

Screenshots

HIIT4 screens
Interval timer3 screens

Verdict

The call

The clearest difference is ads: Interval timer at none against HIIT's shown. Interval timer also leads on update cadence (daily vs monthly) and iOS requirement (14.0 vs 16.0). HIIT's advantage is ratings volume (31K vs 37). On price, rating, in-app purchases and monetization model 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. HIIT sells 11 in-app purchases, starting at $2.99 per 7 days and Interval timer sells 3 in-app purchases, starting at $2.49 per 7 days. 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 HIIT against 4.8 for Interval timer. That said, the two scores are not equally well evidenced: HIIT has 31K ratings behind it against 37, so its average is the more settled of the two.

UpkeepUpdate frequency

HIIT ships an update monthly, Interval timer daily. The most recent releases landed on September 25, 2026 and August 30, 2026 respectively.

Scorecard4 real differences · 6 level
HIIT versus Interval timer: the parameters behind the verdict, then further details
ParameterHIITInterval timer
PriceFreeFree
Rating4.8 (31K ratings)4.8 (37 ratings)
Positive reviews90.8% of reviews—
Number of ratings31K — better37
Update frequencyMonthlyDaily — better
AdsYesNo — better
In-app purchasesYesYes
MonetizationFreemiumFreemium
DevicesiPhone, iPadiPhone, iPod
Requires iOS16.014.0 — better
Further details — not scored
Size159 MB28 MB
Age rating4+4+
DeveloperFast Builder LimitedDmitriy Beloglazov

Customer experience

HIIT

All ratings31,065 ratings
Positive96.7%
Neutral2.4%
Negative0.8%
Written reviews382 reviews
Positive90.8%
Neutral3.1%
Negative6.0%

Interval timer

All ratings37 ratings
Positive94.6%
Neutral0.0%
Negative5.4%

Bugs and requests

HIIT

Reported bugs

2 issues
  • Some videos or links not working
  • Occasional crashes or performance issues

Requested features

4 requests
  • Option to create custom workouts
  • More workout types beyond just HIIT
  • Integration with fitness tracking apps
  • Ability to save favorite workouts

Interval timer

Not enough reviews yet to summarise bugs or requests.

In-app purchases

11 purchases

HIIT

Subscriptions11
  • Lock-in our cheapest price!3 Days trial$2.997 Days
  • 7M Pro$2.997 Days
  • Get Yearly Premium!$9.991 Year
Show 8 more
  • Interval Timer Pro + Workouts$12.991 Month
  • Interval Timer X premium7 Days trial$19.993 Months
  • 7M Pro$19.993 Months
  • Get Monthly Premium!$19.991 Month
  • Get Yearly Premium!$19.991 Year
  • Interval Timer X premium$29.991 Year
  • 7M Pro7 Days trial$29.991 Year
  • Interval Timer Pro + Workouts7 Days trial$39.991 Year
3 purchases

Interval timer

Subscriptions3
  • Premium - Week3 Days trial$2.497 Days
  • Premium - Month3 Days trial$5.991 Month
  • Premium - Year$19.491 Year

Questions

Is HIIT free?
HIIT is free to download, with in-app purchases available.
Is Interval timer free?
Interval timer is free to download, with in-app purchases available.
Which has better reviews, HIIT or Interval timer?
HIIT and Interval timer are both rated 4.8 out of 5 on the App Store, from 31K and 37 ratings respectively.
Do HIIT or Interval timer have ads?
HIIT shows ads; Interval timer does not.
Which is updated more often, HIIT or Interval timer?
HIIT ships an update monthly, and Interval timer daily. Most recently, HIIT was updated on September 25, 2026 and Interval timer on August 30, 2026.

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