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 interval timer is designed for HIIT and interval training. Easily set work and rest periods, sets, and rounds to guide your workouts. It supports background operation and music playback, with an Apple Watch companion app for heart rate monitoring.

Highlights
  • Customizable work and rest periods
  • Set number of sets and rounds
  • Background operation support
  • Music playback compatibility
  • Apple Watch integration
  • Heart rate monitoring (Apple Watch)
Features
Read full description

This app is handy interval timer that helps you keep track of your work and rest periods during your HIIT interval training and workouts. The application is very easy to use, enter the Work, Rest, Sets, Rounds and start workout. You can listen to music during workouts or use the timer in the background. There is also app on the Apple Watch that will allow you to monitor your heart rate during workouts. Apple Watch app features: - iCloud sync with iPhone - integration with the Health app - monitoring heart rate during workouts

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 every 2 months) and review sentiment (100% vs 84%). On price, in-app purchases, monetization model 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. Simple Circuit Interval Timer sells 1 one-off in-app purchase and Interval Timer sells 1 one-off in-app purchase. 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 every 2 months. The most recent releases landed on October 4, 2026 and October 15, 2026 respectively.

Scorecard4 real differences · 6 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 (246 ratings) — better
Positive reviews100.0% of reviews — better83.5% of reviews
Number of ratings—246 — better
Update frequencyEvery 5 days — betterEvery 2 months
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 — better13.0
Further details — not scored
Size113 MB12 MB
Age rating4+4+
DeveloperTimothy ShepherdYosyp Hameliak

Customer experience

Simple Circuit Interval Timer

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

Interval Timer

All ratings246 ratings
Positive97.6%
Neutral0.8%
Negative1.6%
Written reviews85 reviews
Positive83.5%
Neutral4.7%
Negative11.8%

In-app purchases

1 purchases

Simple Circuit Interval Timer

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

Interval Timer

One-time1
  • Remove Ads$4.99

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 every 2 months. Most recently, Simple Circuit Interval Timer was updated on October 4, 2026 and Interval Timer on October 15, 2026.

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