Comparison

Interval Timer □ HIIT Timer vs Simple Circuit Interval Timer

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

Head to head
About

Interval Timer □ HIIT Timer

Create custom workout timers with adjustable intervals for exercise and rest. Track your progress with detailed history and statistics, and repeat past workouts easily. Enjoy audio cues without interrupting your music.

Highlights
  • Customizable intervals
  • Workout and rest timers
  • Voice or beep guides
  • Background audio support
  • Workout history and statistics
  • Repeat previous workouts
Features
Read full description

A simple and beautiful interval timer. 1. Drag to set your custom intervals for workout, rest, rounds, etc 2. Tap to start. Interval Timer doesn't interfere with your music or other apps: ∙ Listen to your music apps while you workout. ∙ Voice or beep guides for every workout. ∙ You can leave the app and still listen to the audio guides, in order to follow a workout you found online. And no need to manually record your workouts: ∙ Detailed history and statistics pages to track your progress. ∙ Repeat a previous workout from your history, so you don't need to set it again. If you have any ideas for how to improve the app, just tap "Contact Support' inside the app and let us know! We are always trying to improve Interval Timer This app includes an optional auto-renewable subscription (Premium Pass): Premium Pass beings with a free trial period, then an auto-renewable monthly subscription when trial ends. Payment will be charged to your Apple account at confirmation of purchase and will automatically renew (at the duration/price selected) unless auto-renew is turned off at least 24 hrs before the end of the current period. Account will be charged for renewal within 24-hours prior to the end of the current period. Current subscription may not be cancelled during the active subscription period; however, you can manage your subscription and/or turn off auto-renewal by visiting your Apple Account Settings after purchase. Any unused portion of the free initial period will be forfeited when you purchase a subscription. Privacy Policy: https://float.support/interval-timer/privacy Terms of Use: https://float.support/interval-timer/terms

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

Screenshots

Interval Timer □ HIIT Timer4 screens
Simple Circuit Interval Timer4 screens

Verdict

The call

The clearest difference is review sentiment: Simple Circuit Interval Timer at 100% against Interval Timer □ HIIT Timer's 61%. Simple Circuit Interval Timer also leads on update cadence (every 5 days vs every 5 weeks) and iOS requirement (10.0 vs 15.6). On price, ads, 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. Interval Timer □ HIIT Timer sells 5 in-app purchases, starting at $1.99 per month and Simple Circuit Interval Timer sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Interval Timer □ HIIT Timer ships an update every 5 weeks, Simple Circuit Interval Timer every 5 days. The most recent releases landed on October 17, 2026 and October 4, 2026 respectively.

Scorecard3 real differences · 7 level
Interval Timer □ HIIT Timer versus Simple Circuit Interval Timer: the parameters behind the verdict, then further details
ParameterInterval Timer □ HIIT TimerSimple Circuit Interval Timer
PriceFreeFree
Rating4.8 (86K ratings) — better—
Positive reviews60.7% of reviews100.0% of reviews — better
Number of ratings86K — better—
Update frequencyEvery 5 weeksEvery 5 days — better
AdsNoNo
In-app purchasesYesYes
MonetizationFreemiumFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.610.0 — better
Further details — not scored
Size34 MB113 MB
Age rating4+4+
DeveloperFloat Tech, LLCTimothy Shepherd

Customer experience

Interval Timer □ HIIT Timer

All ratings85,854 ratings
Positive96.7%
Neutral1.2%
Negative2.1%
Written reviews1,836 reviews
Positive60.7%
Neutral6.2%
Negative33.1%

Simple Circuit Interval Timer

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

Bugs and requests

Interval Timer □ HIIT Timer

Reported bugs

3 issues
  • Timer not always accurate
  • Favorites/saved workouts feature not working
  • Inconsistent behavior when pausing/resuming

Requested features

3 requests
  • Ability to save and name custom workouts
  • More flexibility in exercise/rest time settings
  • Option to adjust volume of voice prompts

Simple Circuit Interval Timer

Not enough reviews yet to summarise bugs or requests.

In-app purchases

5 purchases

Interval Timer □ HIIT Timer

Subscriptions2
  • Premium Pass7 Days trial$1.991 Month
  • Premium Pass7 Days trial$2.991 Month
One-time3
  • Lifetime Pass$14.99
  • Lifetime Pass$19.99
  • Premium Forever Promo$29.99
1 purchases

Simple Circuit Interval Timer

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

Questions

Is Interval Timer □ HIIT Timer free?
Interval Timer □ HIIT Timer is free to download, with in-app purchases available.
Is Simple Circuit Interval Timer free?
Simple Circuit Interval Timer is free to download, with in-app purchases available.
Do Interval Timer □ HIIT Timer or Simple Circuit Interval Timer have ads?
Neither Interval Timer □ HIIT Timer nor Simple Circuit Interval Timer shows ads.
Which is updated more often, Interval Timer □ HIIT Timer or Simple Circuit Interval Timer?
Interval Timer □ HIIT Timer ships an update every 5 weeks, and Simple Circuit Interval Timer every 5 days. Most recently, Interval Timer □ HIIT Timer was updated on October 17, 2026 and Simple Circuit Interval Timer on October 4, 2026.

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