Comparison

Interval Timer vs Ironhold

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 interval timer for various training routines, including HIIT and Tabata. Easily set up custom workouts, track your progress, and stay motivated with visual cues and audio notifications. It's suitable for a wide range of activities from fitness to productivity.

Highlights
  • Customizable workout setup
  • Progress tracking with calendar
  • Saveable custom presets
  • Color-coded notifications
  • Listen to music/audiobooks
  • Large, full-screen display
  • Widget for easy access
Features
Read full description

Interval Timer: Tabata and HIIT is a customizable timer for sports. Use it for High-intensity interval training and workout. It's a free sports interval timer app that makes it easy to create your custom training routine. Use it as your timer for training or exercise. This sports timer is great for crossfit, fitness and running. The sports timer will also be useful for various activities such as crossfit, jogging, boxing,circuit training,breathing exercises and yoga. You can use this circuit timer as a productivity timer to focus on your work tasks. Key features: Setup workout Tracking your progress Customizable presets Notifications & colors Motivation Listening music or books Huge digits Widget SETUP WORKOUT Set up, edit and save your own workouts with the customizable feature. Add as many intervals as you like. You can add a 10 second rest period and a 20 second work period, as well as a 5 second interval between exercises. TRACKING PROGRESS Track your workouts with a Calendar. Plan and track events, and get notified when you have a training scheduled. With this feature, you will not miss a single workout and will keep track of your progress. CUSTOMIZABLE PRESETS Save your workouts in the presets section. It's also possible to create your own custom intervals. You can add an unlimited number of presets. NOTIFICATIONS & COLORS Each training phase is easy to distinguish by a different color and is initiated by an individually adjustable signal (sound, vibration, voice) MOTIVATION Each completed exercise motivates you to achieve higher goals. Enjoy your training and achieve your fitness goals with the interval timer. LISTENING MUSIC Listen to motivational audiobooks or your favorite music and get inspired and energized. Full screen color coded display is easy to read from a distance. Widget helps you train without being distracted by the constant unlocking of your phone. Interval Timer: Tabata and HIIT is an easy to use sports workout timer for your daily fitness training at home, at the gym or everywhere else.

About

Ironhold

Features
Read full description

Ironhold is a macro tracker and workout log in one app. Count calories and protein, log every set, and watch your consistency turn into progress. NUTRITION IN SECONDS • Search a huge food database, with instant matches from your own history • Scan barcodes on packaged foods • Snap a photo of your meal and let AI estimate portions and macros (Pro) • Copy yesterday's meals in one tap; favorites, recipes and water tracking • Daily targets for calories, protein, carbs and fat WORKOUTS THAT FLOW • Fast set logging with smart pre-fill from your last session • Rest timer with Live Activity and an Apple Watch app • Live heart rate and calories from Apple Watch, AirPods Pro 3 or a chest strap • 13 cardio activities, from running to padel • Training programs with progression, automatic personal records, import from Strong and Hevy MOTIVATION THAT LASTS • XP for every meal and workout, 15 ranks from Novice to Legend • Daily missions, streaks and a weekly boss to beat • Share your month in food with friends BUILT RIGHT • Home Screen widgets, Siri shortcuts and a Control Center control • Apple Health and iCloud sync; your data stays yours • No ads, no data selling Ironhold Pro unlocks unlimited food searches, AI meal photo scanning (150 scans per month), full history, custom programs and more. Monthly or annual, cancel anytime. SUBSCRIPTION DETAILS Ironhold Pro is an auto-renewing subscription. Payment is charged to your Apple Account at confirmation of purchase. The subscription renews automatically unless it is cancelled at least 24 hours before the end of the current period. Manage or cancel anytime in your Apple Account settings. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://zoco94.github.io/Ironhold/privacy-policy.html

Screenshots

Interval Timer4 screens
Ironhold4 screens

Verdict

The call

The clearest difference is ads: Ironhold at none against Interval Timer's shown. Interval Timer's advantage is iOS requirement (15.0 vs 26.2). On price, update cadence, in-app purchases 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 10 in-app purchases, starting at $2.09 per month and Ironhold sells 3 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Interval Timer ships an update monthly, Ironhold every 2 weeks. The most recent releases landed on November 7, 2026 and November 6, 2026 respectively.

Scorecard2 real differences · 8 level
Interval Timer versus Ironhold: the parameters behind the verdict, then further details
ParameterInterval TimerIronhold
PriceFreeFree
Rating4.9 (392 ratings) — better—
Positive reviews96.6% of reviews—
Number of ratings392 — better—
Update frequencyMonthlyEvery 2 weeks — better
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPod, Apple Watch — betteriPhone, iPad, Apple Watch
Requires iOS15.0 — better26.2
Further details — not scored
Size112 MB19 MB
Age rating4+4+
DeveloperSimpleInnovation LLCAdrian Nicolaysen

Bugs and requests

Interval Timer

Reported bugs

2 issues
  • Occasional app crashes
  • Compatibility issues with older devices

Requested features

3 requests
  • More pre-designed workout routines
  • Ability to name and customize exercises
  • Option to adjust countdown time between intervals

Ironhold

Not enough reviews yet to summarise bugs or requests.

In-app purchases

10 purchases

Interval Timer

Subscriptions7
  • Timer PRO for 1 month: 30% OFF7 Days trial$2.091 Month
  • Timer PRO for 1 month: 25% OFF7 Days trial$2.291 Month
  • Interval Timer PRO for 1 month$2.991 Month
Show 4 more
  • Interval Timer PRO for 1 month7 Days trial$2.991 Month
  • Interval Timer PRO - 30% OFF7 Days trial$15.001 Year
  • Interval Timer PRO for 1 year$21.991 Year
  • Tabata Timer PRO for 1 year7 Days trial$21.991 Year
One-time3
  • Interval Timer - no Ads$2.99
  • HIIT Timer PRO Forever 30% OFF$27.99
  • Exercise Timer PRO Forever$39.99
3 purchases

Ironhold

Subscriptions3
  • Pro Monthly$2.991 Month
  • Pro Monthly7 Days trial$4.991 Month
  • Pro Annual7 Days trial$49.991 Year

Questions

Is Interval Timer free?
Interval Timer is free to download, with in-app purchases available.
Is Ironhold free?
Ironhold is free to download, with in-app purchases available.
Do Interval Timer or Ironhold have ads?
Interval Timer shows ads; Ironhold does not.
Which is updated more often, Interval Timer or Ironhold?
Interval Timer ships an update monthly, and Ironhold every 2 weeks. Most recently, Interval Timer was updated on November 7, 2026 and Ironhold on November 6, 2026.

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