Comparison

HIIT Interval Timer vs GymFit

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

Head to head
About

HIIT Interval Timer

This app provides a flexible interval timer for high-intensity training. Customize workout cycles, rest periods, and receive color, voice, and sound navigation cues. It runs in the background and offers a built-in music player.

Highlights
  • Customizable interval and rest times
  • Background and screen-locked operation
  • Color, voice, and sound navigation
  • Built-in music player
  • Create and manage custom timers
  • Multiple themes
Features
Read full description

Run in foreground, background and screen locked, the HIIT app allows you to specify an overall time as well as program High/Low intensity interval and rest time between cycles. + Flexible and Advanced Timer + Clean, simple and easy to use (There is no learning curve here) + Create your own timers with some taps + Create fully customized timers with a complex of cycles and sets, + Run in the background, foreground, screen locked + Color, Voice and Sound Navigations (Customizable) + Built in Music Player (in sync with iOS Music Player) + Multiple themes to select + Manage your timers and data of training (you can even delete unwanted timer or junk data) + Create your own alarms right in the app + Work on iPhone, iPad and iPod + And a lot more features will be added in over time. How to use this app: There is no user manual here! -> Download it -> tap on play button -> you will see -> It’s super easy

About

GymFit

This app helps experienced gym-goers optimize their workouts by providing customizable interval timers. It allows users to create, save, and edit workout routines, track progress, and manage time efficiently to maximize productivity during gym sessions.

Highlights
  • Create customizable workouts
  • Add unlimited intervals
  • Edit and rearrange intervals
  • Save custom workout routines
  • Integrates with Apple HealthKit
  • Easy-to-use interface
Features
Read full description

Intervals Workout Timer is designed for intelligent, efficient, and hard-working individuals who are seasoned in the gym. We're not here for beginners. The app helps you manage time and follow workout circuits easily. Manage Time Easily - Do you hate it when you plan on going to the gym for a quick 30-45-minute workout and you don't end up leaving for another hour or two? How about when a group is spending their time talking over the bench that YOU'RE waiting on using? No need to waste time or wait anymore! Improve Gym Workouts - Intervals is designed to get you in and out of the gym, while still giving you the workout you intended. You have been to the gym plenty of times and are definitely not a beginner. You know exactly what you want to do at the gym before you show up to workout. But every time you get to your gym, you end up wasting valuable time that you could be spending elsewhere. 
Features of Intervals Workout Timer: CREATE WORKOUTS: - Create workouts that are fully customizable. Save the intervals in your device so you only need to build your workout once! Add as many workouts as you want and set different timers for every workout to manage time and exercise easily. ADD INTERVALS: - Add as many intervals as you want to your workout so that you can maximize the productivity of your workout! No need to stop between exercises to figure out what to do next as this feature will enable you to keep a track of your progress, view remaining time as well as get a clue on what to do next. EDIT WORKOUTS: - Each interval is completely customizable and editable. All you need to do is create a chart and figure out the best workout course. You can create and edit as many workouts as you want.Edit the name, time, and assign a color so that it's easier for you to recognize during training. Eliminate distractions and clutter so you can focus on more important things like finishing your sets CUSTOMIZE YOUR CIRCUIT: - Are you planning on switching to a new workout routine to reach your next fitness goal? How about doing multiple workouts in a single day? By using this app, you can customize your circuits easily. Customize your circuit by editing, rearranging or deleting any interval that seems out of place! EASY TO USE: - The Intervals Workout Timer is very easy to us – all thanks to its simple and easy UI/UX. The app offers clear menus and options to navigate to the right feature and customize it accordingly. Enjoy smooth controls and seamless performance as you create new plans and enjoy your workouts. APPLE HEALTH KIT - Intervals Workout Timer is now integrated with Apple HealthKit. This gives you the ability to receive credit for workouts you complete with Intervals, on your Apple Activity rings. It also gives you the ability to track previous workout sessions so you can more easily monitor your workout progress. Are you ready to maximize the productivity of your workout plans by learning time management? Download and use Intervals Workout Timer today! EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

HIIT Interval Timer4 screens
GymFit4 screens

Verdict

The call

The clearest difference is update cadence: GymFit at every 11 days against HIIT Interval Timer's every 5 months. GymFit also leads on rating (4.6 vs 4.2) and review sentiment (62% vs 53%). HIIT Interval Timer's advantage is ratings volume (102 vs 17) and iOS requirement (15.6 vs 17.0). On price, ads, 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 Interval Timer sells 1 one-off in-app purchase and GymFit sells 12 in-app purchases, starting at $1.99 per 7 days. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

GymFit holds the better App Store score, 4.6 against 4.2. That said, the two scores are not equally well evidenced: HIIT Interval Timer has 102 ratings behind it against 17, so its average is the more settled of the two. Written reviews point the same way: 53% of HIIT Interval Timer's written reviews are positive against 62% of GymFit's.

UpkeepUpdate frequency

HIIT Interval Timer ships an update every 5 months, GymFit every 11 days. The most recent releases landed on October 8, 2026 and October 1, 2026 respectively.

Scorecard5 real differences · 5 level
HIIT Interval Timer versus GymFit: the parameters behind the verdict, then further details
ParameterHIIT Interval TimerGymFit
PriceFreeFree
Rating4.2 (102 ratings)4.6 (17 ratings) — better
Positive reviews52.6% of reviews61.5% of reviews — better
Number of ratings102 — better17
Update frequencyEvery 5 monthsEvery 11 days — better
AdsYesYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.6 — better17.0
Further details — not scored
Size10 MB55 MB
Age rating4+4+
DeveloperThang NguyenPoutier Ventures LLC

Customer experience

HIIT Interval Timer

All ratings102 ratings
Positive78.4%
Neutral7.8%
Negative13.7%
Written reviews19 reviews
Positive52.6%
Neutral10.5%
Negative36.8%

GymFit

All ratings17 ratings
Positive88.2%
Neutral5.9%
Negative5.9%
Written reviews13 reviews
Positive61.5%
Neutral7.7%
Negative30.8%

In-app purchases

1 purchases

HIIT Interval Timer

One-time1
  • Pro Upgrade$4.99
12 purchases

GymFit

Subscriptions10
  • Weekly Subscription$1.997 Days
  • Monthly Subscription$4.991 Month
  • Yearly Subscription7 Days trial$19.991 Year
Show 7 more
  • Yearly Subscription3 Days trial$19.991 Year
  • Yearly Subscription3 Days trial$29.991 Year
  • Yearly Subscription7 Days trial$29.991 Year
  • Yearly Subscription$29.991 Year
  • 3 Day Trial Then Yearly Trial3 Days trial$39.991 Year
  • Week Trial Yearly Subscription7 Days trial$39.991 Year
  • Yearly Subscription$49.991 Year
One-time2
  • Remove All Ads$1.99
  • Ad & Workout Generator Bundle$2.99

Questions

Is HIIT Interval Timer free?
HIIT Interval Timer is free to download, with in-app purchases available.
Is GymFit free?
GymFit is free to download, with in-app purchases available.
Which has better reviews, HIIT Interval Timer or GymFit?
GymFit is rated higher. HIIT Interval Timer averages 4.2 out of 5 from 102 ratings, while GymFit averages 4.6 from 17 ratings.
Do HIIT Interval Timer or GymFit have ads?
Both HIIT Interval Timer and GymFit show ads.
Which is updated more often, HIIT Interval Timer or GymFit?
HIIT Interval Timer ships an update every 5 months, and GymFit every 11 days. Most recently, HIIT Interval Timer was updated on October 8, 2026 and GymFit on October 1, 2026.

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