Comparison

HIIT Interval Timer vs Kruhac | Circuit Timer

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

Head to head
About

HIIT Interval Timer

This app provides customizable interval timers for various workout styles like HIIT, Tabata, EMOM, and AMRAP. It offers structured programs, progress tracking, and motivational reminders to help users achieve their fitness goals. Users can save custom presets and track their performance over time.

Highlights
  • Customizable interval timers
  • HIIT, Tabata, EMOM, AMRAP modes
  • Structured 4-week programs
  • Workout reminders and goal tracking
  • Save custom presets
  • Calorie estimation
  • Progress statistics and calendar
Features
Read full description

An interval timer for Tabata, HIIT, EMOM and AMRAP. Open it, set it, start. No subscription and no account. When you first open it, choose how many workouts a week and when to be reminded. The app reminds you then. ■ Free • Three modes (HIIT, EMOM, AMRAP) and built-in presets such as Tabata 20/10 × 8 • Week 1 of the 4-week program: pick a goal (build fitness, lose weight or feel refreshed) and get three workouts a week that get a little harder each week • Save your own presets (up to 2) • A weekly goal with "this week 2/3" progress on the home screen • After your first workout of the week, pick your next one: tomorrow, the day after, or in 3 days. With notifications on, you get a one-time reminder • A weekly review and a rest pass (once a week) to protect your streak • Coach reminders that tell you how many workouts are left to your goal (only if you turn them on) • Estimated calories for each workout, with food equivalents • Share cards: This workout, Last 30 days, and Over a photo (a transparent image) • A calendar and stats that show the weeks you kept going, plus a preview of your trends and all-time totals • Sound effects and haptics; choose a whistle or wood block for the cues • Three themes (new installs start with White) and tidy, grouped settings ■ HIIT Timer Pro (one-time purchase, no subscription) • No ads • The 4-week program from week 2 to the end • Unlimited presets, in your own order • Weekly plan: set a time and a preset for each day of the week and get a reminder then • Preset colors: the calendar marks each day with the color of the preset you did • The My Record share card and the Receipt style • All-time calories and food equivalents, trends (last 4 weeks) and a weight log • All-time stats and CSV export ■ Try Pro for 7 days • Use everything in Pro free for 7 days (once). • No automatic charge. The trial ends on its own after 7 days and ads come back. Your records and presets stay. • To keep Pro, buy HIIT Timer Pro once. ■ Peace of mind • Your weight stays on your device. No account needed. • Calories are estimates based on your weight and exercise intensity (MET). Actual burn varies from person to person. Great for home HIIT and Tabata, strength intervals, EMOM and AMRAP WODs, circuits, jump rope and boxing rounds.

About

Kruhac | Circuit Timer

Features
Read full description

Kruhač is the circuit-training timer built for gym trainers and group-fitness coaches who need a reliable, distraction-free tool on the gym floor. Set up in seconds Dial in your stations, rounds, workout duration, and rest time — then hit Start. Kruhač takes it from there, driving the full session loop from countdown to celebration. Never miss a transition Configurable audio warnings count down the final seconds of every phase. Choose from 5 beep styles and 5 go-signal sounds, set independently for workout and rest starts, so your athletes always know what's coming. Save your favourite workouts Store up to 4 named presets — each with its own station/round config, audio settings, and optional Spotify playlist link. Start any preset in two taps. Track your sessions Every completed workout is logged automatically. Review session history, track participant numbers, and analyse training intensity and duration trends over day, week, month, or year. Built for the gym environment Full-screen phase backgrounds switch colour for instant peripheral-vision feedback. Six colour themes, per-phase gradient styles, and adjustable font sizes keep the display readable across any lighting condition. Screen stays on throughout the entire session. Spotify integration Link a playlist to any preset. When the session starts, Spotify opens straight to your playlist. Clean and focused No ads. No account required. No data leaves your device. Everything is stored locally and deleted with the app.

Screenshots

HIIT Interval Timer4 screens
Kruhac | Circuit Timer3 screens

Verdict

The call

The clearest difference is in-app purchases: Kruhac | Circuit Timer at none against HIIT Interval Timer's 1. Kruhac | Circuit Timer also leads on ads (none vs shown). HIIT Interval Timer's advantage is update cadence (fortnightly vs every 2 months) and iOS requirement (15.0 vs 17.0). On price 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. HIIT Interval Timer sells 1 one-off in-app purchase. Kruhac | Circuit Timer asks for nothing beyond the download.

UpkeepUpdate frequency

HIIT Interval Timer ships an update fortnightly, Kruhac | Circuit Timer every 2 months. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

Scorecard4 real differences · 4 level
HIIT Interval Timer versus Kruhac | Circuit Timer: the parameters behind the verdict, then further details
ParameterHIIT Interval TimerKruhac | Circuit Timer
PriceFreeFree
Positive reviews100.0% of reviews—
Update frequencyFortnightly — betterEvery 2 months
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.0 — better17.0
Further details — not scored
Size107 MB9 MB
Age rating4+4+
Developertsyk-appLukas Vysusil

In-app purchases

1 purchases

HIIT Interval Timer

One-time1
  • HIIT Timer Pro$4.99
None

Kruhac | Circuit Timer

No in-app purchases

Questions

Is HIIT Interval Timer free?
HIIT Interval Timer is free to download, with in-app purchases available.
Is Kruhac | Circuit Timer free?
Kruhac | Circuit Timer is free to download, with no in-app purchases.
Do HIIT Interval Timer or Kruhac | Circuit Timer have ads?
HIIT Interval Timer shows ads; Kruhac | Circuit Timer does not.
Which is updated more often, HIIT Interval Timer or Kruhac | Circuit Timer?
HIIT Interval Timer ships an update fortnightly, and Kruhac | Circuit Timer every 2 months. Most recently, HIIT Interval Timer was updated on November 3, 2026 and Kruhac | Circuit Timer on October 31, 2026.

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