Comparison

HIIT (Watch) Timer vs Time2Heat

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

Head to head
About

HIIT (Watch) Timer

This app offers a straightforward interval timer designed for Apple Watch, iPhone, and iPad. It features a clean interface, live heart rate monitoring, haptic feedback, and detailed workout summaries, seamlessly integrating with the Health app.

Highlights
  • Apple Watch independent app
  • Live heart rate monitoring
  • Haptic feedback and audio alerts
  • Workout summary with calories and heart rate
  • Health app integration
  • Customizable intervals (warm-up, cooldown, rest)
  • Complications for quick access
Features
Read full description

A simple HIIT app specifically engineered for Apple Watch. It also provides a simple HIIT timer for iPhone/iPad. With easy setup, clean display, live heart rate, haptic feedback, workout summary and completely independent Apple Watch app experience, your interval workouts will undoubtedly be fun. The workout also adds up to the move and exercise rings on Apple Watch. Features: • Super easy setup Digital crown makes setting intervals a breeze. The app remembers your previous settings. • Clean display Large fonts, vivid colors, live heart rate • Workout summary Calories burned, average and max heart rate, total time • Health app integration Workouts are saved to the Health app • Audio alerts and haptic feedback Subtle haptic feedback guiding you through the intervals. You can also set audio beep alerts if you want. • Runs in background A completely independent Apple Watch app experience • Complications They show the time left for the workout. Also, they are a quick way to launch the app. • More settings + Warm up interval + Cooldown interval + Last rest interval + Halfway alert + 8 sec warning during rest + Interval change warning (when 5 seconds are remaining) • Extra A simple HIIT timer for iPhone/iPad * Note: Though this app is primarily designed for Apple Watch, it also provides a simple iPhone/iPad HIIT timer.

About

Time2Heat

Features
Read full description

Customizable HIIT Timer: Take control of your workouts with a fully customisable timer. Tailor intervals, rest periods, and rounds to match your unique fitness goals and intensity level. Light and Dark Modes: Adapt your workout environment to your mood. Switch seamlessly between light and dark modes for a personalized and comfortable exercise experience, day or night. Intuitive Design: Experience a sleek and user-friendly interface that simplifies your workout setup. With Time2Heat, focusing on your fitness goals has never been more intuitive.

Screenshots

HIIT (Watch) Timer3 screens
Time2Heat4 screens

Verdict

The call

The clearest difference is price: Time2Heat at Free against HIIT (Watch) Timer's $3.99. Time2Heat also leads on update cadence (weekly vs every 2 months). HIIT (Watch) Timer's advantage is in-app purchases (none vs 1). On ads, device support and iOS requirement 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

Time2Heat is free to download; HIIT (Watch) Timer costs $3.99 up front. Time2Heat sells 1 one-off in-app purchase. HIIT (Watch) Timer asks for nothing beyond the download.

UpkeepUpdate frequency

HIIT (Watch) Timer ships an update every 2 months, Time2Heat weekly. The most recent releases landed on October 10, 2026 and October 3, 2026 respectively.

Scorecard3 real differences · 7 level
HIIT (Watch) Timer versus Time2Heat: the parameters behind the verdict, then further details
ParameterHIIT (Watch) TimerTime2Heat
Price$3.99Free — better
Rating4.2 (12 ratings) — better—
Positive reviews80.0% of reviews—
Number of ratings12 — better—
Update frequencyEvery 2 monthsWeekly — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationPaid—
DevicesiPhone, iPad, Apple WatchiPhone, iPad, iPod
Requires iOS16.015.0 — better
Further details — not scored
Size44 MB5 MB
Age rating4+4+
DeveloperRhythmicWorksPAURTECH

In-app purchases

None

HIIT (Watch) Timer

No in-app purchases

1 purchases

Time2Heat

One-time1
  • Buy Time2Heat$12.99

Questions

Is HIIT (Watch) Timer free?
HIIT (Watch) Timer costs $3.99, with no in-app purchases.
Is Time2Heat free?
Time2Heat is free to download, with in-app purchases available.
Do HIIT (Watch) Timer or Time2Heat have ads?
Neither HIIT (Watch) Timer nor Time2Heat shows ads.
Which is updated more often, HIIT (Watch) Timer or Time2Heat?
HIIT (Watch) Timer ships an update every 2 months, and Time2Heat weekly. Most recently, HIIT (Watch) Timer was updated on October 10, 2026 and Time2Heat on October 3, 2026.

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