Water Note vs Mizu
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Water Note
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Water Note is a simple app to track and manage your daily water intake. FEATURES - One-tap Recording Quickly log your water intake with preset buttons (200ml, 350ml, 500ml) or enter a custom amount. - Visual Progress See your daily intake and goal achievement at a glance. - Statistics View weekly and monthly charts to track your hydration trends. - Reminders Set notifications to remind you to drink water throughout the day. - Customizable Goals Set your own daily water intake target. PERFECT FOR - Anyone wanting to build healthy hydration habits - People starting their health journey - Those looking for a simple tracking app - Anyone trying to drink more water PRIVACY All data is stored locally on your device. No data is sent to external servers. [Premium Subscription] - Premium plan (monthly): ad-free experience, unlimited reminders, button customization - Payment will be charged to your Apple ID account at confirmation of purchase - Subscription automatically renews unless auto-renew is turned off at least 24 hours before the end of the current period - You can manage and cancel your subscriptions in Settings > Apple ID > Subscriptions Privacy Policy: https://appstake35.github.io/water-note-lp/privacy-policy-en.html Terms of Use: https://appstake35.github.io/water-note-lp/terms-en.html
Mizu
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Water is the simplest habit with the biggest impact. Mizu Drop helps you drink enough every day — and makes it feel like a mission you want to complete. Record in seconds No typing. No sliders. Just tap your container and drink type — and you're done. Choose from Cup, Mug, Bottle, or Glass. Pick Water, Coffee, Tea, Non-Alcohol Beer, and more. Every sip is logged instantly with a timestamp. See your progress, all day A clear progress ring shows exactly where you stand toward your daily goal. Set time-block targets for Morning, Afternoon, and Evening. Get a gentle nudge when you're falling behind. Watch your streak build A GitHub-style heatmap fills in blue, day by day. The longer the streak, the harder it is to break. That's the point. Log how you feel Note your condition each day. Over time, you'll start to see the pattern — hydration and how you feel are more connected than you think. Pro Features Weekly and monthly charts Annual heatmap Time-block goal setting Unlimited custom reminders Condition memo Custom containers and drinks Ad-free experience One-time purchase available. No subscription required. ml or fl oz — your choice. Mizu means "water" in Japanese. Simple. Clean. Effective.
Screenshots
Verdict
The clearest difference is update cadence: Water Note at weekly against Mizu's every 6 weeks. Water Note also leads on iOS requirement (13.0 vs 18.2). 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. Water Note sells 1 in-app purchase, starting at $1.99 per month and Mizu sells 3 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.
Water Note ships an update weekly, Mizu every 6 weeks. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.
| Parameter | Water Note | Mizu |
|---|---|---|
| Price | Free | Free |
| Update frequency | Weekly — better | Every 6 weeks |
| Ads | Yes | Yes |
| In-app purchases | Yes | Yes |
| Devices | iPhone, iPod — better | iPhone |
| Requires iOS | 13.0 — better | 18.2 |
| Further details — not scored | ||
| Size | 42 MB | 5 MB |
| Age rating | 4+ | 4+ |
| Developer | TAKERU YAMASHITA | Fumihiro Kawasaki |
In-app purchases
Water Note
- Premium Plan$1.991 Month
Mizu
- Pro$0.991 Month
- Pro$2.991 Year
- Pro$4.99









