Interval Timer vs HIITLY
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Interval Timer
This app provides a simple and intuitive interval timer for workouts like HIIT, EMOM, and CrossFit. It features quick setup, guiding tones and colors, and background functionality to keep you focused on your training.
- Instant interval setup
- Guiding tones and colors
- HealthKit integration
- Background functionality
- Save and sync favorite timers
- Preparation countdown
- Pause and resume workouts
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Discover the World’s Simplest Interval Timer — Bit Timer gets you off your phone or watch and into your workout in no time. ---------------- Key Features: Instant Setup — With a clean, no-frills design, set your work, rest, and repeat intervals in seconds. Guiding Tones and Colors — Navigate your workout with distinct tones and colors for each phase, keeping you on track effortlessly. Seamless HealthKit Integration (watchOS) — Automatically save your workouts and close those rings with Apple Health integration. Background Functionality — Keep your workout going even when your phone is locked or you’re using other apps, thanks to sound and haptics. Favorites Sync — Save and sync your favorite timers across iPhone, iPad, and Apple Watch for quick access. Why You’ll Love Bit Timer: - Quick Setup: Press and drag to set work, rest, and repeat intervals swiftly. - Preparation Countdown: Get ready with a 10-second countdown before your workout starts (3 seconds on Apple Watch). - Clear Audio Cues: Three distinct sounds indicate different stages of your workout, ensuring you stay on track. - Warning Tone: A countdown tone alerts you before the work phase begins. - Pause & Resume: Pause your workout anytime and resume right where you left off. - Easy Reset: Start from the beginning if interrupted, with a simple reset. ----------- Bit Timer promises to be the ‘World’s Simplest Interval Timer Ever.’ It is.” - Fast Company Design.* ----------- Privacy Policy: https://www.bittimer.com/privacy-policy Terms of Service: https://www.bittimer.com/terms-of-service End User License Agreement: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
HIITLY
This interval timer app allows for quick setup of custom workouts with adjustable intervals, rest periods, and rounds. It offers voice cues or beeps, background functionality, and detailed workout history to track progress. Ideal for HIIT, Tabata, and circuit training.
- Customizable intervals, rest, and rounds
- Voice cues or beeps
- Background functionality
- Detailed workout history and stats
- Repeat past workouts
- Unlimited custom timer creation
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A simple and beautiful interval timer built for your workouts. Set it up in seconds: Just drag to customize your intervals workout, rest, rounds, and more. Tap to start. That’s it. Your music stays in control: ∙ Continue using your favorite music apps during workouts. ∙ Choose between voice cues or beeps for each interval. ∙ Multitask freely — audio guides keep you on track even when you switch apps or follow an online workout. No more manual tracking: ∙ Access detailed history and stats to monitor your progress. ∙ Instantly repeat past workouts without setting them up again. Perfect for HIIT, Tabata, Stretch and circuit training. The app is designed for high-intensity interval training with features made for serious results: Display rounds, cycles, and durations clearly. Built-in interval stopwatch. Fully functional in the background. Create and save unlimited custom timers. Voice guidance to keep you focused. Got ideas to make the app better? Tap “Contact Support” in the app and share them with us — we’re always working to improve our Interval Timer!
Screenshots
Verdict
The clearest difference is in-app purchases: HIITLY at none against Interval Timer's 4. HIITLY also leads on update cadence (every 6 days vs every 4 weeks) and rating (5.0 vs 4.7). Interval Timer's advantage is ratings volume (534 vs 2). On price, 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. Interval Timer sells 4 in-app purchases, starting at $1.99 per month. HIITLY asks for nothing beyond the download.
HIITLY holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Interval Timer has 534 ratings behind it against 2, so its average is the more settled of the two.
Interval Timer ships an update every 4 weeks, HIITLY every 6 days. The most recent releases landed on October 12, 2026 and September 24, 2026 respectively.
| Parameter | Interval Timer | HIITLY |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (534 ratings) | 5.0 (2 ratings) — better |
| Positive reviews | 76.8% of reviews | — |
| Number of ratings | 534 — better | 2 |
| Update frequency | Every 4 weeks | Every 6 days — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad, Apple Watch — better | iPhone, iPod |
| Requires iOS | 17.0 | 15.1 — better |
| Further details — not scored | ||
| Size | 15 MB | 27 MB |
| Age rating | 4+ | 4+ |
| Developer | Peiter Buick | Matys Bouziane |
Customer experience
Interval Timer
HIITLY
Bugs and requests
Interval Timer
Reported bugs
2 issues- Timer continues counting down even after app is closed
- Issues with music volume reduction while app is in use
Requested features
4 requests- Ability to save and load custom workout routines
- Option to increase work interval duration beyond 4 minutes
- Apple Watch app integration
- More sound effect options
HIITLY
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Interval Timer
- Bit Timer Pro$1.991 Month
- Bit Timer Pro$4.991 Year
- Bit Timer Pro$9.991 Year
- Bit Timer Pro Lifetime$17.99
HIITLY
No in-app purchases
Questions
Is Interval Timer free?
Is HIITLY free?
Which has better reviews, Interval Timer or HIITLY?
Do Interval Timer or HIITLY have ads?
Which is updated more often, Interval Timer or HIITLY?
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