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 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

Screenshots

Simple Circuit Interval Timer4 screens
Interval Timer4 screens

Verdict

The call

The clearest difference is monetization model: Simple Circuit Interval Timer at free with in-app purchases against Interval Timer's subscription. Simple Circuit Interval Timer also leads on review sentiment (100% vs 67%) and update cadence (every 5 days vs every 4 weeks). On price, ads and in-app purchases 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 $1.99 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 every 4 weeks. The most recent releases landed on October 4, 2026 and October 17, 2026 respectively.

Scorecard5 real differences · 5 level
Simple Circuit Interval Timer versus Interval Timer: the parameters behind the verdict, then further details
ParameterSimple Circuit Interval TimerInterval Timer
PriceFreeFree
Rating—4.7 (3.5K ratings) — better
Positive reviews100.0% of reviews — better66.5% of reviews
Number of ratings—3.5K — better
Update frequencyEvery 5 days — betterEvery 4 weeks
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchases — betterSubscription
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS10.0 — better16.0
Further details — not scored
Size113 MB243 MB
Age rating4+4+
DeveloperTimothy ShepherdHIIT Apps Sp. z o.o.

Customer experience

Simple Circuit Interval Timer

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

Interval Timer

All ratings3,466 ratings
Positive92.1%
Neutral2.3%
Negative5.6%
Written reviews442 reviews
Positive66.5%
Neutral7.9%
Negative25.6%

Bugs and requests

Simple Circuit Interval Timer

Not enough reviews yet to summarise bugs or 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

In-app purchases

1 purchases

Simple Circuit Interval Timer

One-time1
  • Simple Circuit Trainer: Pro2 variants$1.99
12 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-time4
  • Intervals | PRO version$14.99
  • Intervals | Membership$14.99
  • Intervals | Membership$34.99
Show 1 more
  • Intervals | Membership$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?
Neither Simple Circuit Interval Timer nor Interval Timer shows ads.
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 4 weeks. Most recently, Simple Circuit Interval Timer was updated on October 4, 2026 and Interval Timer on October 17, 2026.

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