Comparison

OpenHIIT vs Interva

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

Head to head
About

OpenHIIT

This open-source interval timer app helps optimize various activities like workouts, work sprints, and study sessions. It offers customizable timing, precise controls, and clear auditory and visual alerts to keep you motivated and on track. Users can also join a collaborative community to contribute to its development.

Highlights
  • Customizable interval timing
  • Precise and user-friendly controls
  • Auditory and visual alerts
  • Open-source community collaboration
  • Ad-free experience
Features
Read full description

Enhance your daily routines with OpenHIIT, the versatile open-source interval timer app. Tailored for various activities, including but not limited to High-Intensity Interval Training (HIIT), OpenHIIT is a dynamic tool designed to optimize your tasks and foster a collaborative environment. OpenHIIT is free of ads and committed to providing an experience without in-app purchases or premium versions. Customizable Timing: Set intervals tailored to your preferences, whether it's for focused workouts, work sprints, or study sessions. Adapt OpenHIIT to your needs and make the most of your time. Precise Timing and User-Friendly Controls: Enjoy seamless sessions with accurate timing and intuitive controls. OpenHIIT ensures precision in intervals, allowing you to concentrate on your activities without disruptions. Stay in sync and maintain a steady pace throughout your tasks. Auditory and Visual Alerts: Stay informed and motivated with clear audio and visual alerts. OpenHIIT provides signals and indicators, keeping you aware of time changes without the need to glance at your device constantly. Keep your momentum going and stay on track. Open Source Collaboration: Join the collaborative spirit and become part of the OpenHIIT open-source community. Contribute to the app's development, suggest improvements, and share your ideas with users from various backgrounds. Together, we can shape the evolution of interval timers for diverse activities. Download OpenHIIT now to experience the flexibility and efficiency of an open-source interval timer. Take charge of your sessions, boost your productivity, and explore the full potential of OpenHIIT in various aspects of your daily life. Note: OpenHIIT is a project led by one individual with contributions from the community. Committed to quality and alignment with platform policies, OpenHIIT respects intellectual property rights.

About

Interva

Features
Read full description

Interva is a minimalist interval timer for HIIT and Tabata workouts, designed to get out of your way so you can focus on training. No accounts. No ads. No tracking. Everything stays on your device. FEATURES - Fully customizable intervals: set rounds, exercises, work and rest times exactly how you want - Clear countdown with voice cues and vibration, so you always know what's next without looking at your phone - Save unlimited workouts and start them with one tap - Track your weekly streak and workout history - Keep-screen-on option so your phone never sleeps mid-set - Clean, distraction-free design built for focus WHY INTERVA Most timer apps are cluttered with features you don't need. Interva does one thing: interval training, and does it well. Just open the app, pick a workout, and go. Whether you're doing a quick 4-minute Tabata or a full 45-minute HIIT circuit, Interva keeps you moving without getting in your way. PRIVACY FIRST Interva stores all your data locally on your device. We don't collect analytics, don't require an account, and don't share your information with anyone - because we never receive it in the first place. Interva is currently free to use.

Screenshots

OpenHIIT2 screens
Interva4 screens

Verdict

The call

The clearest difference is update cadence: Interva at every 6 days against OpenHIIT's monthly. OpenHIIT's advantage is iOS requirement (13.0 vs 15.1). On price, ads, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

OpenHIIT ships an update monthly, Interva every 6 days. The most recent releases landed on October 7, 2026 and October 8, 2026 respectively.

Scorecard2 real differences · 8 level
OpenHIIT versus Interva: the parameters behind the verdict, then further details
ParameterOpenHIITInterva
PriceFreeFree
Rating5.0 (8 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings8 — better—
Update frequencyMonthlyEvery 6 days — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.0 — better15.1
Further details — not scored
Size26 MB28 MB
Age rating4+4+
DeveloperAbigail MabeKarolina Wronska

In-app purchases

None

OpenHIIT

No in-app purchases

None

Interva

No in-app purchases

Questions

Is OpenHIIT free?
OpenHIIT is free to download, with no in-app purchases.
Is Interva free?
Interva is free to download, with no in-app purchases.
Do OpenHIIT or Interva have ads?
Neither OpenHIIT nor Interva shows ads.
Which is updated more often, OpenHIIT or Interva?
OpenHIIT ships an update monthly, and Interva every 6 days. Most recently, OpenHIIT was updated on October 7, 2026 and Interva on October 8, 2026.

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