Comparison

Simple Circuit Interval Timer vs Interval Timer

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Simple Circuit Interval Timer

This app provides customizable interval timers for HIIT, circuit training, and yoga. It also features a daily plank challenge to build core strength at home without equipment. Enjoy stunning visuals and offline workout capabilities.

Highlights
  • Customizable interval timers
  • HIIT, circuit, and Tabata support
  • Daily plank challenge
  • Offline workout capability
  • Customizable themes and layouts
  • REP meter for pace tracking
Features
Read full description

Working from home? Need some exercise? Simple Circuit Interval Timer is an easy-to-use fitness interval timer app for your High Intensity Interval Training (HIIT timer) workouts and yoga practises. Now also includes PLANK CHALLENGE APP- a daily challenge to encourage working out at home with one of the best core strengthening and fitness activities available, with no gym equipment needed! Customize intervals to suit your needs. PLANK A DAY Daily Planking Challenge - are you down? Join the challenge - plank for up to 1 minute, every hour, every day Fun and easy home workout Lots of variations to try Set your own workout schedule and times Play with family and friends, or by yourself Helpful and fun reminders (but you can totally turn them off) Customized workouts Plank Challenge is for beginners and pros alike Healthy lifestyle benefits and results! High Intensity Interval Training Timer for all sports and activities Lots of people use circuit training for weight loss and strength training Regular circuit, HIIT, and Tabata intervals AMRAP and Supersets Hold yin yoga and pilates poses Cardio (spinning, running) intervals and Calisthenics For use at home and in the gym Plank and core training exercises Push-ups and pull-ups Boxing rounds WOD and x-fit 7 Minute workouts (and longer!) Meditation and breathing Great for working out at home and exercises without equipment Fitness Features Set number of sets, and repeating interval timers for circuits and rest periods REP meter to help to maintain your pace Colorful, customizable themes Helpful countdowns in and out of each circuit Workout offline, anywhere Stunning visuals Awesome color themes DARK MODE GLOW UP MODE for a little razzle-dazzle Mesmerizing animations Circular or Squircular layouts Big and clear interfaces Simple, intuitive menus PRO MODE Unlock PRO MODE to access all themes, colors, layouts and features forever Be the first to get access to new features Maximize your workout with this free fitness interval timer. Keep that heart pumping! BENEFITS OF PLANKING Planking is one of *the top exercises* that anyone can do, anywhere, anytime! Planking challenges every one of your major muscle groups and has dozens of benefits. Ab definition and core strength - including obliques (side abs) Overall strength and full body fitness and strength Improved posture Greater flexibility and balance Body weight training of any kind improves weight lifting performance, improves cardiovascular health Relief from back pain and muscle tension Decrease risk of back injuries Improved metabolism Feel happier with exercise Great results for toned abs, butts, arms and legs Take a break from work and exercise while working from home with the PLANK CHALLENGES APP

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.

Screenshots

Simple Circuit Interval Timer4 screens
Interval Timer4 screens

Verdict

The call

The clearest difference is ads: Simple Circuit Interval Timer at none against Interval Timer's shown. Simple Circuit Interval Timer also leads on update cadence (every 5 days vs monthly) and iOS requirement (10.0 vs 15.0). On price, review sentiment, in-app purchases and monetization model 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. Simple Circuit Interval Timer sells 1 one-off in-app purchase and Interval Timer sells 12 in-app purchases, starting at $2.09 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Simple Circuit Interval Timer ships an update every 5 days, Interval Timer monthly. The most recent releases landed on October 4, 2026 and October 16, 2026 respectively.

Scorecard3 real differences · 7 level
Simple Circuit Interval Timer versus Interval Timer: the parameters behind the verdict, then further details
ParameterSimple Circuit Interval TimerInterval Timer
PriceFreeFree
Rating—4.9 (384 ratings) — better
Positive reviews100.0% of reviews — better96.6% of reviews
Number of ratings—384 — better
Update frequencyEvery 5 days — betterMonthly
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod, Apple Watch — better
Requires iOS10.0 — better15.0
Further details — not scored
Size113 MB113 MB
Age rating4+4+
DeveloperTimothy ShepherdSimpleInnovation LLC

Customer experience

Simple Circuit Interval Timer

Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Interval Timer

All ratings384 ratings
Positive99.5%
Neutral0.3%
Negative0.3%
Written reviews319 reviews
Positive96.6%
Neutral0.9%
Negative2.5%

Bugs and requests

Simple Circuit Interval Timer

Not enough reviews yet to summarise bugs or 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

In-app purchases

1 purchases

Simple Circuit Interval Timer

One-time1
  • Simple Circuit Trainer: Pro2 variants$1.99
12 purchases

Interval Timer

Subscriptions8
  • 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 5 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 - 25% OFF7 Days trial$16.491 Year
  • Interval Timer PRO for 1 year$21.991 Year
  • Tabata Timer PRO for 1 year7 Days trial$21.991 Year
One-time4
  • Interval Timer - no Ads$2.99
  • HIIT Timer PRO Forever 30% OFF$27.99
  • HIIT Timer PRO Forever 25% OFF$29.99
Show 1 more
  • Exercise Timer PRO Forever$39.99

Questions

Is Simple Circuit Interval Timer free?
Simple Circuit Interval Timer is free to download, with in-app purchases available.
Is Interval Timer free?
Interval Timer is free to download, with in-app purchases available.
Do Simple Circuit Interval Timer or Interval Timer have ads?
Interval Timer shows ads; Simple Circuit Interval Timer does not.
Which is updated more often, Simple Circuit Interval Timer or Interval Timer?
Simple Circuit Interval Timer ships an update every 5 days, and Interval Timer monthly. Most recently, Simple Circuit Interval Timer was updated on October 4, 2026 and Interval Timer on October 16, 2026.

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