HydroRing vs おみず シンプル水分記録
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
HydroRing
Read full descriptionHide full description
Tap once to log a drink and watch your ring fill up. See how much water you've had today at a glance. A simple hydration tracker that's easy to stick with, even on busy days. KEY FEATURES - One-tap logging: set your favorite amounts as buttons, or enter a custom amount - Progress ring: turns gold when you go past your goal - See how much is left to reach today's goal - Choose what you're drinking (water, tea and more) - Confetti and haptics when you hit your goal - Daily streaks and 13 badges to earn - Calendar view of your past days - Weekly chart, average intake, goal days and best streak - Reminder notifications at the times you choose - Daily goal from 500 ml to 5000 ml - Switch between ml and oz - Available in English and Japanese GREAT FOR - Anyone who gets busy and forgets to drink water - Building a daily water habit - Seeing how coffee and tea fit into your day - People who gave up on trackers that ask for too much input - Staying on top of your water intake in hot or dry weather PRIVACY - No account needed - Your logs are stored only on your iPhone or iPad and are never sent to a server - No tracking - To show our other apps, the app reads public App Store information (your logs are never sent) PLEASE NOTE HydroRing is a wellness app for logging everyday drinks. It is not a medical device or a medical app. Please talk to a doctor or other qualified professional about your health.
おみず シンプル水分記録
Read full descriptionHide full description
おみずは、毎日の水分補給をかんたんに記録できるアプリです。 アカウント登録なし・完全無料ですぐに使い始められます。 ■ ワンタップでかんたん記録 コップやペットボトルのボタンをタップするだけで、すぐに記録完了。 忙しい毎日でもサッと記録できます。 ■ リマインダーで飲み忘れ防止 お好みの間隔で「お水飲んだ?」とやさしく通知。 起床時間と就寝時間に合わせて、あなたの生活リズムにぴったりの通知をお届けします。 ■ 1日の目標量を自動計算 体重を入力すると、あなたに合った1日の水分摂取目標量を自動で計算。 プログレスリングで達成状況がひと目でわかります。 ■ 10種類の飲み物に対応 水、緑茶、麦茶、ほうじ茶、紅茶、コーヒー、牛乳、ジュース、味噌汁、スポーツドリンク。 すべて無料で記録できます。 ■ グラフで振り返り 日別・週別・月別のグラフで水分摂取量の推移を確認。 目標達成日数や連続達成記録もチェックできます。 ■ 20色のテーマカラー くすみカラーのかわいいテーマの中から好きな色を選んで、アプリの雰囲気を自分好みに着せ替えられます。 ■ プライバシーを大切に すべてのデータはお使いの端末にのみ保存されます。サーバーへの送信やアカウント登録は一切ありません。安心してお使いください。 毎日の水分補給を、もっとかんたんに。 ぜひ「おみず」をお試しください。
Screenshots
Verdict
The clearest difference is in-app purchases: おみず シンプル水分記録 at none against HydroRing's 1. おみず シンプル水分記録 also leads on update cadence (every 5 days vs every 6 weeks). On price, ads, device support and iOS requirement 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. HydroRing sells 1 one-off in-app purchase. おみず シンプル水分記録 asks for nothing beyond the download.
HydroRing ships an update every 6 weeks, おみず シンプル水分記録 every 5 days. The most recent releases landed on October 31, 2026 and November 6, 2026 respectively.
| Parameter | HydroRing | おみず シンプル水分記録 |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 6 weeks | Every 5 days — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Devices | iPhone, iPad | iPhone, iPod |
| Requires iOS | 16.0 | 15.1 — better |
| Further details — not scored | ||
| Size | 2 MB | 44 MB |
| Age rating | 4+ | 4+ |
| Developer | torankirite | Ryotaro Shimada |
In-app purchases
HydroRing
- HydroRing Premium$3.99
おみず シンプル水分記録
No in-app purchases









