Comparison

Interval Timer vs Gym Timer Pro

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 customizable round-based timer for various time-based activities, including HIIT, circuit training, and boxing. It features a minimalistic design with big digits and bright colors, offering hand-crafted sounds to maintain focus. Users can create complex workouts, save custom sets, and track their workout history with Apple Health integration.

Highlights
  • Customizable round-based timer
  • Minimalistic design with big digits
  • Hand-crafted sounds for focus
  • Unlimited saved intervals
  • Quick Set feature
  • Apple Health integration
  • Dark Mode support
Features
Read full description

The Interval Timer App is a minimalistic, advanced all-in-one round-based timer for iOS Devices (iPhone / iPad). Create complex workouts or sets and get them visualized simple and minimalistic with big digits, bright colors and hand-crafted sounds to support you keeping the focus. Works for all simple and complex time-based activities - use it for your exercise, hiit, tabata, wod, yoga, running, lifting weights, gym workout, cycling, boxing, stretching or even cooking! Create your own set-library with unlimited saved intervals or just hop into a quick one with the "Quick Set" feature! - Pick from a variety of sounds for different phases and cycles - Separate Sound-Volume Setting - Does not interrupt background music - Phone won't lock automatically during sets - Supports Dark Mode - Battery friendly - Customizable color representation for every set - Save your workout-history with apple health! Create simple second-short or complex hour-long intervals with custom set and cycle durations including custom break- and warmup-lengths, round-counts, sounds and colors. ______________________________________________ APP USAGE INFO & SUBSCRIPTION DETAILS Should you choose to upgrade to a subscription, payment will be charged to your iTunes account at confirmation of purchase. Your subscription renews automatically unless cancelled at least 24 hours prior to the end of the current period, and cancellation of the current active subscription period is not allowed. Auto-renewal may be turned off in your Account Settings in iTunes after purchase. You can also manage your subscriptions in Account Settings after purchase. LICENSED APPLICATION END USER LICENSE AGREEMENT: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Terms of Service: https://learned-romano-d09.notion.site/Terms-Conditions-4521f83f95f44900931f5887f08b852f Privacy Policy: https://learned-romano-d09.notion.site/Privacy-Policy-3920b87376da4552be9dbc3f0d0d24bf

About

Gym Timer Pro

This free interval timer app helps you structure your workouts with customizable work, rest, and set periods. Easily configure countdowns or count-ups for up to three distinct workout items, with an optional ready time before starting.

Highlights
  • Countdown and count-up timers
  • Up to 3 workout items
  • Configurable work, rest, and sets
  • Adjustable ready time
  • Completely free with no ads or purchases
Read full description

The Gym Timer (100% free) NO Ads, NO subscriptions, NO in-app purchase Built for the author himself to use this app for his workout. You can count down or count up. You can have up to 3 workout items. You can configure WORK, REST, and SETS for each workout by simply dragging it. You can configure the ready time before the workout in the Settings. Enjoy the workout! I will update the app frequently!

Screenshots

Interval Timer4 screens
Gym Timer Pro4 screens

Verdict

The call

The clearest difference is in-app purchases: Gym Timer Pro at none against Interval Timer's 2. Gym Timer Pro also leads on rating (5.0 vs 4.8) and review sentiment (100% vs 91%). Interval Timer's advantage is ratings volume (77 vs 11) and update cadence (every 2 days vs every 4 days). On price, 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 2 in-app purchases, starting at $1.99 per month. Gym Timer Pro asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Gym Timer Pro holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Interval Timer has 77 ratings behind it against 11, so its average is the more settled of the two. Written reviews point the same way: 91% of Interval Timer's written reviews are positive against 100% of Gym Timer Pro's.

UpkeepUpdate frequency

Interval Timer ships an update every 2 days, Gym Timer Pro every 4 days. The most recent releases landed on September 29, 2026 and September 10, 2026 respectively.

Scorecard7 real differences · 3 level
Interval Timer versus Gym Timer Pro: the parameters behind the verdict, then further details
ParameterInterval TimerGym Timer Pro
PriceFreeFree
Rating4.8 (77 ratings)5.0 (11 ratings) — better
Positive reviews91.2% of reviews100.0% of reviews — better
Number of ratings77 — better11
Update frequencyEvery 2 days — betterEvery 4 days
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPadiPhone, iPod
Requires iOS17.012.0 — better
Further details — not scored
Size19 MB57 MB
Age rating4+4+
DeveloperMizo LLCDae Won Kim

Customer experience

Interval Timer

All ratings77 ratings
Positive97.4%
Neutral1.3%
Negative1.3%
Written reviews34 reviews
Positive91.2%
Neutral2.9%
Negative5.9%

Gym Timer Pro

All ratings11 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews3 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

2 purchases

Interval Timer

Subscriptions1
  • Intervals+ Monthly$1.991 Month
One-time1
  • Intervals+ Lifetime$9.99
None

Gym Timer Pro

No in-app purchases

Questions

Is Interval Timer free?
Interval Timer is free to download, with in-app purchases available.
Is Gym Timer Pro free?
Gym Timer Pro is free to download, with no in-app purchases.
Which has better reviews, Interval Timer or Gym Timer Pro?
Gym Timer Pro is rated higher. Interval Timer averages 4.8 out of 5 from 77 ratings, while Gym Timer Pro averages 5.0 from 11 ratings.
Do Interval Timer or Gym Timer Pro have ads?
Neither Interval Timer nor Gym Timer Pro shows ads.
Which is updated more often, Interval Timer or Gym Timer Pro?
Interval Timer ships an update every 2 days, and Gym Timer Pro every 4 days. Most recently, Interval Timer was updated on September 29, 2026 and Gym Timer Pro on September 10, 2026.

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