Comparison

Interval Timer vs Gym Rest 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

This interval timer is designed for HIIT and interval training. Easily set work and rest periods, sets, and rounds to guide your workouts. It supports background operation and music playback, with an Apple Watch companion app for heart rate monitoring.

Highlights
  • Customizable work and rest periods
  • Set number of sets and rounds
  • Background operation support
  • Music playback compatibility
  • Apple Watch integration
  • Heart rate monitoring (Apple Watch)
Features
Read full description

This app is handy interval timer that helps you keep track of your work and rest periods during your HIIT interval training and workouts. The application is very easy to use, enter the Work, Rest, Sets, Rounds and start workout. You can listen to music during workouts or use the timer in the background. There is also app on the Apple Watch that will allow you to monitor your heart rate during workouts. Apple Watch app features: - iCloud sync with iPhone - integration with the Health app - monitoring heart rate during workouts

About

Gym Rest Timer

Features
Read full description

The simple, powerful timer made for weightlifters, HIIT, and gym training. Gym Rest Timer is your no-fuss workout timer - built for strength training, HIIT, sets, circuits, and even yoga or Tabata. Whether you’re lifting heavy or doing interval workouts, this app helps you rest the right amount and stay on track. Made for Weights, Sets, and Circuits • Quick-start buttons for 30, 60, 90, or 180 seconds • Easy-to-edit custom times to match any routine • Perfect for progressive overload, supersets, and timed rest between sets Clean, Focused Interface • Visual countdown with haptic feedback • Set counter to track your progress • Optional screen-on mode to keep timer visible Custom Alerts & Smart Notifications • Vibration or sound alert when rest ends • Works even while using other apps • Fully customizable notification settings Simple, Effective, Reliable No complicated features. Just a smooth gym timer that works exactly how you need it to. Whether you’re training for strength, endurance, or recovery, this timer helps you stay focused, efficient, and consistent. Download now and upgrade your gym sessions. Privacy Policy: https://ninetysixsoftware.co.uk/simple-gym-rest-timer-privacy-policy Terms of Use: https://apple.com/legal/internet-services/itunes/dev/stdeula

Screenshots

Interval Timer4 screens
Gym Rest Timer4 screens

Verdict

The call

The clearest difference is update cadence: Gym Rest Timer at monthly against Interval Timer's every 2 months. Interval Timer's advantage is device support (4 vs 2) and iOS requirement (13.0 vs 16.0). On price, 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 sells 1 one-off in-app purchase and Gym Rest Timer sells 2 in-app purchases, starting at $0.39 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Interval Timer ships an update every 2 months, Gym Rest Timer monthly. The most recent releases landed on October 24, 2026 and October 10, 2026 respectively.

Scorecard3 real differences · 7 level
Interval Timer versus Gym Rest Timer: the parameters behind the verdict, then further details
ParameterInterval TimerGym Rest Timer
PriceFreeFree
Rating4.9 (250 ratings) — better—
Positive reviews84.1% of reviews—
Number of ratings250 — better—
Update frequencyEvery 2 monthsMonthly — better
AdsYesYes
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPod, Apple Watch — betteriPhone, iPad
Requires iOS13.0 — better16.0
Further details — not scored
Size12 MB81 MB
Age rating4+4+
DeveloperYosyp HameliakNinety Six Software Ltd

Bugs and requests

Interval Timer

Reported bugs

9 issues
  • App pauses when phone is locked
  • Sound notifications are inconsistent
  • App doesn't run in background
  • Watch app not opening or syncing
  • In-app purchase issues
Show 4 more
  • Timer not counting when phone is locked
  • Voice/sound stops during exercises
  • Incorrect number of sets displayed
  • App crashes or freezes

Requested features

12 requests
  • Option for different/upbeat voice
  • Ability to reorder saved timers
  • Larger font size option
  • Vibrate option
  • Naming individual sets/exercises
Show 7 more
  • Audio configuration for set completion
  • Syncing workouts with health apps
  • Option to keep app running when phone is locked
  • Customizable warm-up per saved timer
  • Option for giant font size for numbers
  • Ability to move saved timers
  • More sound options

Gym Rest Timer

Not enough reviews yet to summarise bugs or requests.

In-app purchases

1 purchases

Interval Timer

One-time1
  • Remove Ads$4.99
2 purchases

Gym Rest Timer

Subscriptions1
  • Premium Monthly7 Days trial$0.391 Month
One-time1
  • Lifetime Premium$2.99

Questions

Is Interval Timer free?
Interval Timer is free to download, with in-app purchases available.
Is Gym Rest Timer free?
Gym Rest Timer is free to download, with in-app purchases available.
Do Interval Timer or Gym Rest Timer have ads?
Both Interval Timer and Gym Rest Timer show ads.
Which is updated more often, Interval Timer or Gym Rest Timer?
Interval Timer ships an update every 2 months, and Gym Rest Timer monthly. Most recently, Interval Timer was updated on October 24, 2026 and Gym Rest Timer on October 10, 2026.

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