Workout Timer Interval & HIIT vs OpenHIIT
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Workout Timer Interval & HIIT
This app offers customizable interval timers for various training styles like HIIT, Tabata, and Crossfit. Track your progress, enjoy background music, and switch between light and dark modes to enhance your fitness routine.
- Customizable interval timers
- Supports HIIT, Tabata, WOD, Crossfit, EMOM, AMRAP
- Historical workout tracking
- Background music playback
- Light and dark mode themes
- Intuitive interface
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The simplest way to time any workout. Set your intervals, hit start, and go. Free forever - no trials, no expiry, no catch. Whether you're doing HIIT, Tabata, boxing rounds, running intervals, circuit training, or just need a reliable stopwatch, Interval Trainer gets out of your way and lets you focus on the work. FREE - FOREVER - Unlimited interval timers with custom rounds, work, and rest periods - Segment-based timing with Warm-up, Prep, Work, Rest, and Cool-down phases - Color and sound cues so you never miss a transition - Runs in the background while your music keeps playing - 6 themes and light/dark mode PREMIUM - Workout history - track progress and stay consistent - Custom workout builder - save and reuse your favourite sessions - Ad-free experience Download free and start your first session in under a minute. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://www.termsfeed.com/live/6125dabf-a638-49d7-b81e-118dfbb88572
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.
- Customizable interval timing
- Precise and user-friendly controls
- Auditory and visual alerts
- Open-source community collaboration
- Ad-free experience
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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.
Screenshots
Verdict
The clearest difference is review sentiment: OpenHIIT at 100% against Workout Timer Interval & HIIT's 53%. OpenHIIT also leads on in-app purchases (none vs 3) and rating (5.0 vs 4.5). Workout Timer Interval & HIIT's advantage is ratings volume (146 vs 9). On price, update cadence, ads 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
Both are free to download. Workout Timer Interval & HIIT sells 3 in-app purchases, starting at $2.99 per month. OpenHIIT asks for nothing beyond the download.
OpenHIIT holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: Workout Timer Interval & HIIT has 146 ratings behind it against 9, so its average is the more settled of the two. Written reviews point the same way: 53% of Workout Timer Interval & HIIT's written reviews are positive against 100% of OpenHIIT's.
Workout Timer Interval & HIIT ships an update fortnightly, OpenHIIT monthly. Both last shipped on November 3, 2026.
| Parameter | Workout Timer Interval & HIIT | OpenHIIT |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (146 ratings) | 5.0 (9 ratings) — better |
| Positive reviews | 53.2% of reviews | 100.0% of reviews — better |
| Number of ratings | 146 — better | 9 |
| Update frequency | Fortnightly — better | Monthly |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, Apple Watch | iPhone, iPad, iPod — better |
| Requires iOS | 16.1 | 13.0 — better |
| Further details — not scored | ||
| Size | 29 MB | 26 MB |
| Age rating | 4+ | 4+ |
| Developer | Simon Jansen | Abigail Mabe |
Customer experience
Workout Timer Interval & HIIT
OpenHIIT
Bugs and requests
Workout Timer Interval & HIIT
Reported bugs
24 issues- App stops in background
- Timer resets when phone sleeps
- Work/Rest options not accurate
- Cannot change interval times for multiple rounds
- App stops when phone goes to sleep
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- Free version unreliable
- App dies in foreground
- Watch app only works in foreground
- Update broke purchase history
- Login screen freezes
- Incompatible with older devices
- App dies when you Lock Screen or switch to another app
- Timer stops when Watch is dark
- Cannot hear countdowns with music
- Nothing fits on screen
- Doesn't persist in background
- Voice volume too low
- Stops when leaving app
- Needs connection for a timer
- Unauthorized purchase
- Max rest time of 2 minutes
- Cannot set long work intervals
- Paid version not premium
- Limited flexibility
Requested features
18 requests- Add multiple voices
- Add sounds for cycle end
- Louder notifications/vibration
- Ability to add break between sessions
- Naming exercises
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- Skip function for faster work completion
- Increase pre-countdown time
- Create preset timers
- Ability to close app and timer keeps going
- Work:rest ratio option
- See countdown on main screen
- Pre-countdown before work starts
- Add a preparation period before starting
- Add rest at the end
- Different color and sound for rest
- Longer rest periods
- Higher work interval limits
- Add vibration capability
OpenHIIT
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Workout Timer Interval & HIIT
- Monthly subscription$2.991 Month
- Premium Yearly$14.991 Year
- Premium$29.99
OpenHIIT
No in-app purchases
Questions
Is Workout Timer Interval & HIIT free?
Is OpenHIIT free?
Which has better reviews, Workout Timer Interval & HIIT or OpenHIIT?
Do Workout Timer Interval & HIIT or OpenHIIT have ads?
Which is updated more often, Workout Timer Interval & HIIT or OpenHIIT?
Other comparisons
