HIITime vs Interval Walking
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
HIITime
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HIITime began as a HIIT timer and grew into the only workout app you need. High-intensity intervals, strength training and cardio now live together on iPhone and Apple Watch — fast, native, and saved straight to Apple Health. INTERVAL & HIIT TIMER • Build routines with work, rest and recovery phases, plus warm-up and cool-down • A full-screen countdown you can read across the room • Spoken cues, countdown beeps and interval chimes call every phase, so you never look down • Circuit mode links real library exercises into timed stations STRENGTH TRAINING • Reusable templates with supersets, target sets, reps and rest • Log sets live — weight, reps and automatic rest timers • Personal records detected and celebrated the moment you hit them • Estimated 1-rep-max using Epley, Brzycki or Lombardi CARDIO • Track runs, cycling and functional cardio live, or log them by hand • Distance, time, heart rate and calories, all saved to Apple Health 870+ EXERCISE LIBRARY • Every move with muscle groups, equipment and instructions • Search and filter by muscle or gear, and save your favourites • Add custom exercises and build your own variants BUILD WORKOUTS WITH AI • Copy a ready-made prompt into ChatGPT or Claude, then paste the result to import a full workout • Or share workout text from any app straight into HIITime • Nothing leaves your device — the app does no AI calls of its own APPLE WATCH • Start and follow HIIT workouts on your wrist • Log strength sets with the Digital Crown, with haptics between sets • Live heart rate the whole way through APPLE HEALTH & HEART-RATE ZONES • Workouts, heart rate and active calories written to Health • Zones that match Apple Watch (Heart Rate Reserve), or switch to % of max HR STATS & HISTORY • One timeline across HIIT, strength and cardio • Streaks, training volume, 1-rep-max trends and full PR history LIVE ACTIVITIES • Follow your HIIT workout from the Lock Screen and Dynamic Island MADE YOURS • Five colour themes, full Dark Mode, VoiceOver and Dynamic Type HIITime Pro Unlock advanced stats and analytics with HIITime Pro, an auto-renewing monthly subscription. Payment is charged to your Apple Account and renews automatically unless cancelled at least 24 hours before the period ends. Manage or cancel any time in your Account settings. Start your next workout in HIITime — free to download, everything above included. Terms: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy: https://github.com/pantry-org/HIITime-Support/blob/main/PRIVACY.md
Interval Walking
This app guides you through interval walking workouts to build a consistent fitness routine. It offers spoken cues, haptic feedback, and progress tracking on your iPhone and Apple Watch. Designed for everyday walkers, it focuses on low-impact cardio and sustainable health benefits.
- Guided interval walking workouts
- Apple Watch control and mirroring
- Lock Screen and Dynamic Island Live Activity updates
- Optional spoken cues and haptic feedback
- Built-in workout presets and history
- iCloud syncing for presets and history
- Daily walk reminders
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Interval walking is the scientifically proven, low-impact method to boost cardiovascular health, burn calories, and build endurance without stressing your joints. Interval Walking - Splits provides the cleanest, distraction-free interval coaching experience on iOS. Designed specifically for the Japanese interval walking method (alternating fast and moderate walking paces), our app keeps you focused on your stride with clear audio cues, precise split metrics, and zero intrusive ads. WHY INTERVAL WALKING? Studies show that alternating between 3 minutes of brisk walking and 3 minutes of moderate walking yields superior fitness and blood pressure improvements compared to continuous steady walking. KEY FEATURES - Audio Coaching & Haptic Wrist Alerts: Gentle audio chimes and watch vibrations prompt you the exact second to accelerate and recover without looking at your screen. - Standalone Apple Watch App: Feel every phase transition on your wrist with haptic feedback, live pace, heart rate, and split metrics—no phone needed. - Custom Interval Programs: Set custom walk/rest durations, split targets, and warm-up/cool-down periods in seconds. - Offline & Private: No mandatory account creation, no tracking, and no cloud requirement. Your workout data stays on your device and syncs securely via Apple Health. - Battery-Efficient Background Tracking: Track outdoor walks with low-power GPS and indoor treadmill sessions with step cadence. - Full Apple Health & Fitness Integration: Automatically writes workouts, active calories, and heart rate data to Apple Health. NO SUBSCRIPTION TRAPS Unlike bloated fitness apps with confusing paywalls and full-screen mid-workout ads, Interval Walking - Splits gives you a reliable, ad-free training companion built for daily consistency. Start your fast-and-slow interval walking routine today and experience the difference in every step!
Screenshots
Verdict
The clearest difference is update cadence: Interval Walking at every 3 weeks against HIITime's every 4 months. 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
Both are free to download. HIITime sells 1 in-app purchase, starting at $0.99 per month and Interval Walking sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
HIITime ships an update every 4 months, Interval Walking every 3 weeks. The most recent releases landed on November 5, 2026 and October 31, 2026 respectively.
| Parameter | HIITime | Interval Walking |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (2 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 2 — better |
| Update frequency | Every 4 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | — | Freemium |
| Devices | iPhone, iPad, Apple Watch — better | iPhone, Apple Watch |
| Requires iOS | 26.0 — better | 26.2 |
| Further details — not scored | ||
| Size | 9 MB | 26 MB |
| Age rating | 4+ | 4+ |
| Developer | Nathan Cairns | krffl llc |
In-app purchases
HIITime
- HIITime Pro$0.991 Month
Interval Walking
- Splits Pro$4.99









