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 app provides a simple and intuitive interval timer for workouts like HIIT, EMOM, and CrossFit. It features quick setup, guiding tones and colors, and background functionality to keep you focused on your training.

Highlights
  • Instant interval setup
  • Guiding tones and colors
  • HealthKit integration
  • Background functionality
  • Save and sync favorite timers
  • Preparation countdown
  • Pause and resume workouts
Features
Read full description

Discover the World’s Simplest Interval Timer — Bit Timer gets you off your phone or watch and into your workout in no time. ---------------- Key Features: Instant Setup — With a clean, no-frills design, set your work, rest, and repeat intervals in seconds. Guiding Tones and Colors — Navigate your workout with distinct tones and colors for each phase, keeping you on track effortlessly. Seamless HealthKit Integration (watchOS) — Automatically save your workouts and close those rings with Apple Health integration. Background Functionality — Keep your workout going even when your phone is locked or you’re using other apps, thanks to sound and haptics. Favorites Sync — Save and sync your favorite timers across iPhone, iPad, and Apple Watch for quick access. Why You’ll Love Bit Timer: - Quick Setup: Press and drag to set work, rest, and repeat intervals swiftly. - Preparation Countdown: Get ready with a 10-second countdown before your workout starts (3 seconds on Apple Watch). - Clear Audio Cues: Three distinct sounds indicate different stages of your workout, ensuring you stay on track. - Warning Tone: A countdown tone alerts you before the work phase begins. - Pause & Resume: Pause your workout anytime and resume right where you left off. - Easy Reset: Start from the beginning if interrupted, with a simple reset. ----------- Bit Timer promises to be the ‘World’s Simplest Interval Timer Ever.’ It is.” - Fast Company Design.* ----------- Privacy Policy: https://www.bittimer.com/privacy-policy Terms of Service: https://www.bittimer.com/terms-of-service End User License Agreement: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

Gym Rest Timer

This app helps you manage rest periods during workouts without interrupting your flow. It offers multiple modes, including lock screen control and volume gesture activation, to keep your training seamless. You can even use voice commands to start timers.

Highlights
  • Lock screen control
  • Notification mode
  • Media player mode
  • Volume gesture control
  • Siri integration
  • Widget support
Features
Read full description

Tired of constantly unlocking your phone to restart your rest timer? Gym Rest Timer is designed to minimise this and be as unobtrusive to your workout as possible, with 3 modes to choose from: 1. Notification mode - When your rest timer completes it sends you a notification which you can use to start the next one. 2. Media Player mode - Control and track your timer straight from the lock screen using the media player controls. 3. Volume Gesture mode - When listening to music just reach into your pocket or headphone remote and press volume down-up in quick succession. The app will detect this gesture and restart the timer. Install the accompanying widget to your widget screen and access timer controls straight from your lock screen. Use Siri to start a timer even from across the room!

Screenshots

Interval Timer4 screens
Gym Rest Timer4 screens

Verdict

The call

The clearest difference is in-app purchases: Gym Rest Timer at none against Interval Timer's 4. Gym Rest Timer also leads on review sentiment (92% vs 77%) and iOS requirement (11.0 vs 17.0). Interval Timer's advantage is update cadence (every 4 weeks vs every 8 months) and ratings volume (534 vs 73). On price, rating, ads and device support 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 4 in-app purchases, starting at $1.99 per month. Gym Rest Timer asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.7 for Interval Timer against 4.8 for Gym Rest Timer. That said, the two scores are not equally well evidenced: Interval Timer has 534 ratings behind it against 73, so its average is the more settled of the two. Written reviews are what separate them: 77% of Interval Timer's written reviews are positive against 92% of Gym Rest Timer's.

UpkeepUpdate frequency

Interval Timer ships an update every 4 weeks, Gym Rest Timer every 8 months. The most recent releases landed on October 4, 2026 and October 8, 2026 respectively.

Scorecard6 real differences · 4 level
Interval Timer versus Gym Rest Timer: the parameters behind the verdict, then further details
ParameterInterval TimerGym Rest Timer
PriceFreeFree
Rating4.7 (534 ratings)4.8 (73 ratings) — better
Positive reviews76.8% of reviews92.3% of reviews — better
Number of ratings534 — better73
Update frequencyEvery 4 weeks — betterEvery 8 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, Apple WatchiPhone, iPad, iPod
Requires iOS17.011.0 — better
Further details — not scored
Size15 MB23 MB
Age rating4+4+
DeveloperPeiter BuickDavid Blake

Customer experience

Interval Timer

All ratings530 ratings
Positive93.4%
Neutral1.7%
Negative4.9%
Written reviews185 reviews
Positive76.8%
Neutral7.0%
Negative16.2%

Gym Rest Timer

All ratings73 ratings
Positive94.5%
Neutral2.7%
Negative2.7%
Written reviews26 reviews
Positive92.3%
Neutral0.0%
Negative7.7%

Bugs and requests

Interval Timer

Reported bugs

2 issues
  • Timer continues counting down even after app is closed
  • Issues with music volume reduction while app is in use

Requested features

4 requests
  • Ability to save and load custom workout routines
  • Option to increase work interval duration beyond 4 minutes
  • Apple Watch app integration
  • More sound effect options

Gym Rest Timer

Not enough reviews yet to summarise bugs or requests.

In-app purchases

4 purchases

Interval Timer

Subscriptions3
  • Bit Timer Pro$1.991 Month
  • Bit Timer Pro$4.991 Year
  • Bit Timer Pro$9.991 Year
One-time1
  • Bit Timer Pro Lifetime$17.99
None

Gym Rest Timer

No in-app purchases

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 no in-app purchases.
Which has better reviews, Interval Timer or Gym Rest Timer?
Gym Rest Timer is rated higher. Interval Timer averages 4.7 out of 5 from 534 ratings, while Gym Rest Timer averages 4.8 from 73 ratings.
Do Interval Timer or Gym Rest Timer have ads?
Neither Interval Timer nor Gym Rest Timer shows ads.
Which is updated more often, Interval Timer or Gym Rest Timer?
Interval Timer ships an update every 4 weeks, and Gym Rest Timer every 8 months. Most recently, Interval Timer was updated on October 4, 2026 and Gym Rest Timer on October 8, 2026.

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