Hydrate vs Japanese Walker Pro
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Hydrate
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The electrolyte and water tracker for real days — long shifts, workouts, keto and fasting. Log water, salt mixes and coffee in one tap on iPhone or Apple Watch, and see fluid, sodium and caffeine together. No account. No guilt. Reminders that stay quiet when you're already on track. LOG WATER, ELECTROLYTES, COFFEE & MORE • Choose from 40+ drinks, custom recipes, and saved favorites • See goal credit before you confirm every log • Track fluid, sodium, and caffeine in one clear daily picture • Edit history or undo mistakes without losing the original day KNOW YOUR PACE • Set your own daily goal and waking schedule • See where your progress should be right now—not just a midnight total • Use pace-aware reminders that can stay quiet when you are already on track • Choose intervals, active hours, quiet time, and rotating or night-shift schedules FAST ON EVERY APPLE SURFACE • Log from Apple Watch, Home Screen and Lock Screen widgets, Siri, complications, Control Center, or the Action Button • Keep favorite drink-and-size combinations ready for one-tap logging • See consistent units, goal credit, and daily progress across surfaces PRIVATE SIPSCAN • Point your camera at a drink for an on-device category suggestion • Get a typical amount or one learned from your confirmed habits • Nothing is uploaded, the photo is not stored, and you always confirm before logging ELECTROLYTES & APPLE HEALTH Hydrate tracks sodium from the drinks you log. Potassium and magnesium aren't tracked yet. • Log electrolyte mixes, salt water, bone broth, and custom drinks • See sodium from logged drinks in mg beside fluid and caffeine totals • Optionally sync confirmed water and sodium entries to Apple Health PROGRESS WITHOUT PRESSURE • Review seven-day patterns, goal days, timing, and recent drinks • Correct past entries and keep a clear, dependable history • Try guided routines for mornings, focused work, travel, and warm days PRIVATE BY DESIGN • No account or sign-up • No advertising IDs and no ad tracking • Hydration history stays on your device • Optional anonymous diagnostics are off by default DAILY LOGGING STAYS FREE Hydrate Pro is optional. It adds longer progress history, weekly reflection reports, guided routines, and data export. Hydrate Pro is optional and available as a monthly or annual auto-renewing subscription, or as a one-time Lifetime purchase. Eligible new annual subscribers can start with a 14-day free trial. Payment is charged to your Apple Account at confirmation. Subscriptions renew automatically unless canceled at least 24 hours before the end of the current period and can be managed in App Store account settings. Terms of Use: https://alexmackenzievancouver.github.io/hydrate-support/terms.html Privacy Policy: https://alexmackenzievancouver.github.io/hydrate-support/privacy.html
Japanese Walker Pro
This app provides a dedicated timer for the Japanese Walking Method, featuring audio cues and lock screen integration. It offers customizable session lengths and modes for outdoor or treadmill use, with calorie estimates and progress tracking.
- Dedicated Japanese Walking Method timer
- Audio cues for phase transitions
- Lock screen and Dynamic Island Live Activity
- Outdoor and Treadmill modes
- Calorie estimation
- Streak counter and session history
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Three minutes fast. Three minutes slow. For 30 minutes. That's the Japanese Walking Method, and this is the timer for it. THE METHOD Dr. Hiroshi Nose and his team at Shinshu University in Japan developed Interval Walking Training. The protocol: 3 minutes of brisk walking, then 3 minutes slower. Repeat for 30 minutes, three times a week. Their research has followed people on this regimen for more than 15 years. WHY THIS APP Most interval walking apps feel like a gym timer with a sticker on it. This one wasn't. — Audio cues at every transition, so your phone can stay in your pocket — A 5-second beep countdown before each phase changes — Live Activity on the lock screen and Dynamic Island — Voice cue subtitles, for walking with one earbud or none — Sakura petals on the screen. They speed up when you do, and slow down when you do. — Drawn from Tokyo, not from a HIIT app FREE. NO ADS. NO TRACKING. The whole app — every session length — free. No ads. No upsells. No nag screens. The Japanese Walking Method should not cost money to run. FEATURES — Three session lengths: 18, 30, or 42 minutes — Outdoor mode and Treadmill mode. Treadmill mode shows your target fast and slow mph and lets you adjust them mid-session. — Calorie estimate per session, based on your weight, height, age, and activity level — Streak counter and history of your last 30 sessions — Keeps running when your screen is locked or your phone is in your pocket — Audio mixes with your music, no fighting your playlist — Nothing leaves your phone. Sessions, streaks, settings — all local. WHO IT'S FOR For anyone who wants to walk on purpose. The 50-year-old whose doctor said "walk more." The TikTok viewer who saw the method and wants to do it right. The office worker getting back into movement. People watching their blood pressure who don't want to start jogging. HOW IT WORKS 1. Open the app 2. Pick 18, 30, or 42 minutes 3. Pick Outdoor or Treadmill 4. Tap START 5. Put the phone in your pocket 6. Walk. The app tells you when to switch. NOTES This is a fitness timer, not a medical device. Nothing here is medical advice. Check with your doctor before starting any new exercise routine, especially if you have a heart condition, are pregnant, or have blood-pressure concerns. Questions or feedback: contact link in Settings.
Screenshots
Verdict
Hydrate and Japanese Walker Pro are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
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. Hydrate sells 3 in-app purchases, starting at $3.99 per month and Japanese Walker Pro sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
| Parameter | Hydrate | Japanese Walker Pro |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Number of ratings | — | 1 — better |
| Update frequency | Every 6 days | — |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | — | Free |
| Devices | iPhone, Apple Watch — better | iPhone |
| Requires iOS | 18.0 | 17.0 — better |
| Further details — not scored | ||
| Size | 22 MB | 3 MB |
| Age rating | 4+ | 12+ |
| Developer | ALEXANDER DAVID GRUINARD MACKENZIE | Chunky Senanayake |
In-app purchases
Hydrate
- Hydrate Pro — Monthly3 Days trial$3.991 Month
- Hydrate Pro — Annual14 Days trial$24.991 Year
- Lifetime Pro$34.99
Japanese Walker Pro
- Full method unlock$4.99









