ClearHiiT vs IntervalRunner
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
ClearHiiT
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ClearHiiT is the workout interval timer built for HIIT, Tabata, Treadmill, Circuit, and Spin training. Build workouts in seconds, organise them into folders, and let clear voice cues guide you through every intervalβwithout constantly checking your screen. Build Better Workouts : Start with a quick preset or build your workout from scratch. Set warm-up, work, recovery, cooldown, and transition intervals with complete control. Create unlimited workouts and organise them into folders by training style, fitness goal, athlete, client, or family member. Dedicated Tabata Sessions: Create dedicated Tabata workouts with the classic work and recovery structure built in. Optionally enter the exercise on each work phase, then start training. Track Your Progress: After each workout, tell the app how it felt β Too Easy, Just Right or Too Hard. Your history shows every session, your current and longest streak, and a training heatmap of your active minutes by week, month or all time, so you can see your consistency build. Train Without Watching the Screen: Press Start and focus on your workout. Clear voice prompts and audio cues play over your music, podcast, or audiobook, telling you when to work, recover, and transition. Choose extended voice prompts for more guidance, or use minimal prompts when you want fewer interruptions. Landscape Workout Display: Turn your iPhone sideways for a clear, easy-to-read landscape workout display. See the current interval, countdown, and workout information at a glance while training, making it ideal for treadmill sessions, gym workouts, or when your phone is positioned at a distance. Choose Your Workout Mode Standard: Flexible interval training for HIIT, strength training, boxing, rowing, bodyweight workouts, and more. Tabata: A dedicated Tabata session with optional exercise descriptions on the work phases. Treadmill: Set target speed and incline for every interval, so you know exactly what to set for each phase. Circuit: Name every exercise and follow your circuit without having to remember what's next. Spin: Set target difficulty and power for every interval, giving every effort a clear goal. Train From Your Wrist: Start and follow workouts directly from Apple Watch, with live synchronisation to your iPhone. Keep Training With Your Phone Locked: Put your phone in your pocket and concentrate on the workout. ClearHiiT keeps your intervals running with the screen locked and delivers your cues when you need them. When the final interval ends, you'll know you've finished exactly the workout you planned. Features β’ Organise workouts into folders β’ Create separate workout libraries for yourself, clients, friends, or family β’ Unlimited custom workouts β’ Quick-start workout presets β’ Full control over every workout phase β’ Standard, Tabata, Treadmill, Circuit, and Spin modes β’ Dedicated Tabata session configuration β’ Per-interval treadmill speed and incline targets β’ Named exercises for circuit workouts β’ Per-interval difficulty and power targets for Spin workouts β’ Extended voice prompts and audio cues over your music β’ Minimal voice prompts option β’ Countdown flash before every interval β’ Portrait and landscape workout displays β’ Background timing with the screen locked β’ Apple Watch app with live iPhone synchronisation β’ Tidal and Daybreak themes β’ English, Spanish, French, and German No clutter. No subscription. No data collected. Just your workout, on time.
IntervalRunner
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Run every interval exactly as planned. IntervalRunner checks your pace against your target and tells you the moment you drift β by voice, by tone and with a tap on your wrist β so you never have to look at the screen. ALERTS YOU CAN TRUST β’ Smoothed pace instead of jumpy GPS, with a tolerance band you choose β’ Different tones and haptics for too fast and too slow β’ Natural AI-generated voice cues that lower your music and keep working with the screen locked BUILD ANY INTERVAL β’ Time or distance steps with a target pace or speed β’ 7 ready-to-run presets: walk-run starter, 1 min fast / 1 min easy, 400 m and 800 m repeats, tempo, slow running and Zone 2 (Zone 2 with Pro) β’ Three count modes: start when you reach target pace, count only while on target, or count right away β’ Auto-pause per workout, km or miles, pace or speed WITH OR WITHOUT APPLE WATCH With Apple Watch, the watch measures and taps your wrist while iPhone shows the numbers and speaks. No watch? Run with iPhone alone β or with just the watch. Treadmill mode needs no GPS: run on time at the speed you set on the machine, then confirm the distance from its display. After each run, see target vs. actual for every step. Workouts are saved to Apple Health. SHARE SHOTS Turn any run into a photo, video or Live Photo with your stats β free. β’ Your own photo or video (up to 15 s) or one of 8 designed themes (4 free), with stickers and text in 13 fonts β’ Count-up video: your numbers roll up from zero to the final result FREE Everything you need to run: the builder, presets, all alerts and count modes, treadmill mode, unlimited history, Apple Health, Live Activity, GPX/JSON export and 3 saved workouts of your own. Step analysis is open for your first two runs. INTERVALRUNNER PRO β’ Step analysis, trends and personal bests β’ Heart-rate zone targets, and recovery that ends when your heart rate drops β’ Unlimited saved workouts and folders β’ Nested repeats and ladder, pyramid and Yasso 800 generators β’ Per-second CSV export β’ 4 premium themes and 3 premium templates (Gradient, Big route, Titanium) for share shots, plus logo-free share shots Heart-rate features need Apple Watch or a Bluetooth heart-rate monitor. SUBSCRIPTION IntervalRunner Pro is an auto-renewing subscription: $0.99 per month or $9.99 per year in the US (prices vary by region). The yearly plan includes a 7-day free trial for eligible new subscribers; the monthly plan has no trial. Payment is charged to your Apple Account when you confirm the purchase, or when the free trial ends. The subscription renews automatically unless canceled at least 24 hours before the end of the current period. Manage or cancel anytime in Settings > [your name] > Subscriptions. Any unused portion of a free trial is forfeited when you purchase a subscription. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://juki-j.github.io/privacy-policy/intervalrunner-en.html PRIVACY No account and no server of ours. Your runs, routes and health data stay on your devices and are never sent to us, to advertisers or to analytics. Firebase collects crash reports and usage statistics to keep the app stable; they are never used to track you or for ads. If you allow it, workouts are saved to Apple Health, which Apple manages and syncs. Voice cues are AI-generated speech.
Screenshots
Verdict
The clearest difference is iOS requirement: ClearHiiT at 16.4 against IntervalRunner's 26.0. On price, update cadence, ads and in-app purchases there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Both are free to download. ClearHiiT sells 1 one-off in-app purchase and IntervalRunner sells 2 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.
ClearHiiT ships an update every 5 days, IntervalRunner every 3 days. The most recent releases landed on October 13, 2026 and October 18, 2026 respectively.
| Parameter | ClearHiiT | IntervalRunner |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 5 days | Every 3 days β better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Devices | iPhone, Apple Watch | iPhone, Apple Watch |
| Requires iOS | 16.4 β better | 26.0 |
| Further details β not scored | ||
| Size | 32 MB | 177 MB |
| Age rating | 12+ | 4+ |
| Developer | George Gaskin | JUKI JUNG |
In-app purchases
ClearHiiT
- Lifetime Unlock$3.99
IntervalRunner
- IntervalRunner Pro Monthly$0.991 Month
- IntervalRunner Pro Annual7 Days trial$9.991 Year








