Comparison

Interval Timer vs GYM Clock

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 is a versatile interval timer designed for various training styles like Tabata and HIIT. It offers customizable workout parameters, voice guidance, and music ducking for an enhanced training experience. Save your custom workouts and track your progress.

Highlights
  • Customizable interval settings
  • Voice assistant with text-to-speech
  • Music ducking for audio integration
  • Save custom workouts
  • Tabata, Rounds, Stopwatch modes
  • Apple Health integration
Features
Read full description

Special timer for interval training. This Interval Timer offers: • Very intuitive interface. After installing this timer you need to press one button to start a tabata workout with classic settings. • Ability to set up prepare, work, rest, rest between sets, cool down time, number of cycles and sets. • Intervals can be configured individually. With this interval training timer you can create any interval workout with any sequence of intervals. • Voice assistant with text-to-speech. • Add descriptions to intervals that will be displayed on the timer screen and will be voiced. • Bright and nice colors. • Ability to lower the volume in your music player while playing the timer sounds (ducking). • List of your saved workouts. • NEW! Quick workout - setup your workout with fast and ease. The opportunity to display mode: - Tabata Protocol. - Rounds. - Stopwatch. - Intervals. Tabata is a form of high-intensity interval training (HIIT): • Workout hard for 20 seconds • Rest for 10 seconds • Complete 8 rounds It's time to train, good luck! Application supports Apple Health to track activity during workout. You can download the app for free. Further use requires a subscription. At our discretion, we may decide to offer you a free trial per the terms displayed in the app. Please note that: When opting for a subscription, you pay the fixed price for your country, which is displayed in the app. Payment will be charged to your Apple ID Account upon confirmation of purchase. Subscription automatically renews and free trial automatically converts into subscription unless auto-renewal is turned off at least 24 hours before the end of the current period. Your Account will be charged for renewal within 24 hours prior to the end of the current subscription period. You can manage your subscriptions and turn off auto-renewal by going to Account Settings after purchase. When canceling a subscription or a free trial, your subscription/free trial will stay active until the end of the current period. Auto-renewal will be disabled, but the current subscription will not be refunded. Terms of Use and Privacy Policy: https://docs.google.com/document/d/1FMzBsd_mSO69xuzkpOKljPPtxRMWMTzt2iGs6wJIhik

About

GYM Clock

Features
Read full description

Plan your workout time, press start, and find your rhythm! GYM Clock is a clear, easy-to-read interval timer for workouts and rest breaks. Use it for HIIT, fitness, boxing, home workouts, and more. PLAN YOUR WORKOUT TIME Choose a ready-made WORK/REST interval: 30/30, 60/30, 45/30, or 45/15 seconds. Start training with a single tap. SET YOUR TIME AND GET READY! An orange 3-2-1 countdown gives you time to prepare before training starts. Preparation does not reduce your WORK time. YOUR FIRST SET HAS STARTED! Stay focused with the green WORK timer. When it reaches zero, the app automatically switches to the red REST timer. The cycle continues until you stop it. TRACK YOUR SET COUNT See your current set number as you train. Pause, resume, or move to the next phase whenever you need. RESTART YOUR SET ANYTIME Tap RESET to restart WORK in the current set after the orange 3-2-1 countdown. Your set number stays the same—even if you reset during REST. SET YOUR OWN WORKOUT TIME Create a custom loop by choosing your own WORK and REST durations, tailored to your training rhythm. REST Follow the red rest timer and get ready for your next work interval. Use optional sound and vibration feedback to suit your preferences. GYM Clock is completely free: no ads, subscriptions, or in-app purchases. No account or sign-in required. Available in 10 languages: Turkish, English, Russian, Spanish, German, Brazilian Portuguese, Arabic, French, Simplified Chinese, and Hindi. GYM Clock: Set your pace. Focus on your workout.

Screenshots

Interval Timer4 screens
GYM Clock4 screens

Verdict

The call

The clearest difference is in-app purchases: GYM Clock at none against Interval Timer's 10. GYM Clock also leads on update cadence (every 2 days vs every 4 weeks) and device support (3 vs 1). On price, ads and iOS requirement 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 10 in-app purchases, starting at $1.99 per month. GYM Clock asks for nothing beyond the download.

UpkeepUpdate frequency

Interval Timer ships an update every 4 weeks, GYM Clock every 2 days. The most recent releases landed on November 7, 2026 and October 29, 2026 respectively.

Scorecard3 real differences · 7 level
Interval Timer versus GYM Clock: the parameters behind the verdict, then further details
ParameterInterval TimerGYM Clock
PriceFreeFree
Rating4.7 (3.6K ratings) — better—
Positive reviews66.5% of reviews—
Number of ratings3.6K — better—
Update frequencyEvery 4 weeksEvery 2 days — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationSubscription—
DevicesiPhoneiPhone, iPad, iPod — better
Requires iOS16.015.0 — better
Further details — not scored
Size243 MB18 MB
Age rating4+4+
DeveloperHIIT Apps Sp. z o.o.OGUZ BARLAS

Bugs and requests

Interval Timer

Reported bugs

3 issues
  • Workouts disappearing
  • App crashes and freezes
  • Timing issues with intervals

Requested features

4 requests
  • Apple Watch integration
  • More customization options
  • Additional audio cues and prompts
  • Improved workout tracking and history

GYM Clock

Not enough reviews yet to summarise bugs or requests.

In-app purchases

10 purchases

Interval Timer

Subscriptions8
  • Intervals: monthly membership7 Days trial$1.991 Month
  • Intervals: membership7 Days trial$3.993 Months
  • Intervals: monthly membership$4.991 Month
Show 5 more
  • Intervals: yearly membership$6.991 Year
  • Intervals: yearly membership1 Year trial$9.991 Year
  • Intervals: yearly membership7 Days trial$19.991 Year
  • Intervals: yearly membership7 Days trial$24.991 Year
  • Intervals: membership7 Days trial$24.991 Year
One-time2
  • Intervals | PRO version$14.99
  • Intervals | Membership$34.99
None

GYM Clock

No in-app purchases

Questions

Is Interval Timer free?
Interval Timer is free to download, with in-app purchases available.
Is GYM Clock free?
GYM Clock is free to download, with no in-app purchases.
Do Interval Timer or GYM Clock have ads?
Neither Interval Timer nor GYM Clock shows ads.
Which is updated more often, Interval Timer or GYM Clock?
Interval Timer ships an update every 4 weeks, and GYM Clock every 2 days. Most recently, Interval Timer was updated on November 7, 2026 and GYM Clock on October 29, 2026.

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