ClearHiiT vs SumCha
Price, ratings, monetisation and update history for both apps, side by side — 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 interval—without 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 – 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 • Organise workouts into folders • Create separate workout libraries for yourself, clients, friends, or family • Unlimited custom workouts • Quick-start workout presets • Full control over every workout phase • Standard, Tabata, Treadmill, Circuit, and Spin modes • Dedicated Tabata session configuration • Per-interval treadmill speed and incline targets • Named exercises for circuit workouts • Per-interval difficulty and power targets for Spin workouts • Extended voice prompts and audio cues over your music • Minimal voice prompts option • Countdown flash before every interval • Portrait and landscape workout displays • Background timing with the screen locked • Apple Watch app with live iPhone synchronisation • Tidal and Daybreak themes • English, Spanish, French, and German No clutter. No subscription. No data collected. Just your workout, on time.
SumCha
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Two minutes fast, one minute walk. Run intervals without watching the screen. · Voice, haptics, and a 3-2-1 countdown tell you when intervals change · Build your own program: warm-up, run, walk, repeats, cool-down · When a set ends the run keeps going as a free run, and you can switch between intervals and free run any time · Start, pause, and end from the Lock Screen, Dynamic Island, widgets, and Control Center · Auto-pause when you stop, resume when you run · Distance, pace, and calories, weekly/monthly/yearly summaries, and your route on a map · Sync your history across your devices through your own iCloud (the developer can't see it) Free to use. Ads appear only on the History tab and after a run summary — never on the running screen. One purchase removes all ads.
Screenshots
Verdict
The clearest difference is ads: ClearHiiT at none against SumCha's shown. ClearHiiT also leads on iOS requirement (16.4 vs 26.0). On price, 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
Both are free to download. ClearHiiT sells 1 one-off in-app purchase and SumCha sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
| Parameter | ClearHiiT | SumCha |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 5 days | — |
| Ads | No — better | Yes |
| In-app purchases | Yes | Yes |
| Devices | iPhone, Apple Watch — better | iPhone |
| Requires iOS | 16.4 — better | 26.0 |
| Further details — not scored | ||
| Size | 32 MB | 7 MB |
| Age rating | 12+ | 4+ |
| Developer | George Gaskin | Iksang Hwang |
In-app purchases
ClearHiiT
- Lifetime Unlock$3.99
SumCha
- Remove Ads$1.99









