CotzCotz：コツコツ続ける習慣アプリ

RHYTHMAP

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About this app

"Continuing consistently" is actually difficult.

It's easy to give up after three days. Even with effort, there's no sense of accomplishment. It can feel lonely when you're alone. —But what if there was an app that was cute, fun, clearly showed progress, and had family and friends cheering you on? That would surely help you continue.

'CotzCotz' is a habit-tracking app that helps you build your own "amusement park" and "you (Cotz)" by stacking small blocks each day.

🧱 You can see the progress. Put what you want to do on a single card. Every day, simply "long-press" to stamp. Days you complete become blocks that stack up, and the more you continue, the rarer your cards become. Because your efforts take "shape," you'll feel a real sense of accomplishment.

🎡 The more you continue, the more your own amusement park grows. Small, consistent efforts build up like a tree → bench → slide → Ferris wheel → castle… creating a "Small-in-One Amusement Park." The reward for your persistence comes back to you in the form of an exciting world.

🤝 You're not alone. Supporting each other, you continue. Connect with "important people" like family, friends, and loved ones, and support each other. You can send each other confirmation stamps and short messages, so just knowing "someone is watching" gives you the strength to keep going for another day.

🐣 Dress up your very own Cotz. Collect and choose colors, faces, heads, hats, glasses… to create your own unique companion. The more attached you become, the more you'll want to open it every day.

🔔 Gentle reminders. "It's almost time for some small steps." A gentle reminder at the scheduled time to motivate you to continue.

🧩 Check without opening with the home screen widget. By placing "Today's Cotz" and "Waiting for Confirmation" on your home screen, you can see at a glance where you left off today and receive "Done!" messages from your supervisor, without even opening the app. It's compatible with both iPhone and Android home screen widgets.

👶 Safe for parents and children. Coin purchases require adult confirmation. The text (hiragana/kanji) changes according to age, making it suitable for young children and adults alike.

Recommended for:

Those who want to overcome procrastination and establish habits

Those who want to visualize daily progress in areas like studying, exercise, bedtime, and chores

Those who want to continue their child's "to-do list" in a fun way with their child

Those who want to encourage each other with friends, family, or their partner

Those who like to see the rewards for their progress


Daily small steps will one day become "treasures." Let's start with CotzCotz today!

What’s new

【新機能・改善】
・過去の体重をさかのぼって入力・修正できるようになりました。
・起動直後の「よくきたね」の画面で、コッツがキョロキョロと周りを見渡すようにアニメーションを改善しました。
・過去の記録をまとめて修正した際の通知を、3日分を超えた場合は1通にまとめるようにしました。
【不具合修正】
・「確認したよ」を送信した後に、ホーム画面が操作できなくなってしまう不具合を修正しました。
・記録がサーバーに届く前に「届いたよ」という通知だけが先に出てしまう問題を修正しました。
・ホーム画面が表示される前にシートが出てくると、画面が縮んで固まってしまう不具合を修正しました。
・「ヘルスコネクト」連携に関する細かな不具合を修正しました。