Koi: Calm Habit Tracker
DANIEL DESMOND MEDCALF Health & Fitness iPhoneiPadiPod touch
Koi: Calm Habit Tracker is a free Health & Fitness app for iPhone and iPad by DANIEL DESMOND MEDCALF. Rated 4.9/5 from 43 ratings. Requires iOS 15.0.
- Rating
- 4.9
- 43 ratings
- Price
- Free
- on the App Store
- Size
- 152 MB
- Age 4+
- Updated
- Oct 19
- 2026 · v1.27.2
Screenshots
About Koi: Calm Habit Tracker
Koi: a calm habit tracker with goals, a journal and a koi pond you grow. Koi is a calm, gentle habit tracker and self care app that helps you stay consistent without pressure. Build a daily routine, track your goals, keep a journal and work through your to-do lists, all in one flexible space. Koi focuses on progress, not perfection, so you can keep moving forward even when life gets busy. What you can do with Koi • Habit tracker: create daily habits and set reminders • Goal tracker: set personal goals with milestones and track progress • Journal: write reflections with photos and audio • To-do lists: simple, structured and nested lists • Mood tracker, plus water, food, exercise and more • Custom trackers for anything you want to measure • Focus timers and meditation with natural sounds • Home screen widgets to check in at a glance • Personalise your experience with beautiful themes • View your progress over time • Plan your day with everything organised in one place Why Koi? In Japanese culture, the koi fish (鯉) represents perseverance, strength, and transformation, swimming upstream against strong currents, one day at a time. “Koi” (恋) also means love. Building habits is an act of self-care. Small, repeated actions are how real change happens. Koi is designed around that idea. Your Koi Pond Your koi are your self care pets. Collect coins and feed them, and watch them grow from fry to elder as you build consistency. Each one a living reflection of your progress. Name them, care for them, and raise your collection one day at a time. Designed to feel natural Koi is built to be lightweight, distraction-free, and easy to return to, even after time away. Whether you’re starting a new routine or rebuilding one, Koi meets you where you are. Who Koi is for • Anyone building habits without pressure • People who struggle with strict streaks • Users who want simple structure, not complexity • Those who prefer a calm, simple design Build momentum. One day at a time. Privacy & Terms Your privacy matters. • Privacy Policy: https://koi-calm.app/privacy • Terms of Service: https://koi-calm.app/terms Contact If you have any questions or need support, feel free to reach out: Email: [email protected]
Ratings & reviews
4.9
43 ratings
What’s new
Version 1.27.2 · Updated October 19, 2026
We've polished the pond - A fresh look across the app, clear on every theme. - Faster to open, tap and type. - Koi Gold app icons in any theme's colours. - Areas with colours, habit ideas and a week view. - Kind Ripples: small kind acts for friends and strangers. - Earn Koins from activities and Koi Aid. - Shop items open on their own page with a big preview. - Invite a friend with a koi you pick for them. Bug fixes to keep the water clear.
App privacy
The developer, DANIEL DESMOND MEDCALF, reported these privacy practices to Apple.
Data Used to Track You
The following data may be used to track you across apps and websites owned by other companies:
- Identifiers: User ID, Device ID
- Usage Data: Product Interaction
Data Linked to You
The following data, which may be collected and linked to your identity, may be used for the following purposes:
- Identifiers: User ID, Device ID
- Usage Data: Product Interaction
- Contact Info: Email Address, Name
- User Content: Photos or Videos, Audio Data, Other User Content
Used for: Developer’s Advertising or Marketing, Analytics, App Functionality
Data Not Linked to You
The following data, which may be collected but is not linked to your identity, may be used for the following purposes:
- Usage Data: Product Interaction
- Diagnostics: Crash Data, Performance Data
- Location: Coarse Location
- Purchases: Purchase History
Used for: Third-Party Advertising, Analytics, Product Personalization, App Functionality
Alternatives to Koi: Calm Habit Tracker
Looking for apps like Koi: Calm Habit Tracker? Here are 6 similar apps on the App Store. The highest rated is Nooma: pill reminder (5.0/5), and all 6 are free to download.
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Plant The World: Step Tracker
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Pawchi: Pets & Plushies
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Capybara Walk
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Nooma: pill reminder
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Mosaik: 66-Day Habit Tracker
5.0
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Psyfy: Self-care Companion
4.8
| App | Rating | Price | Last updated | Compare |
|---|---|---|---|---|
| Koi: Calm Habit Tracker | 4.9 / 5 (43 ratings) | Free | October 19, 2026 | |
| Plant The World: Step Tracker | 4.6 / 5 (120) | Free | Oct 15, 2026 | Compare |
| Pawchi: Pets & Plushies | 4.4 / 5 (123) | Free | Jul 26, 2026 | Compare |
| Capybara Walk | 4.5 / 5 (52) | Free | Oct 17, 2026 | Compare |
| Nooma: pill reminder | 5.0 / 5 (11) | Free | Oct 14, 2026 | Compare |
| Mosaik: 66-Day Habit Tracker | 5.0 / 5 (1) | Free | Oct 3, 2026 | Compare |
| Psyfy: Self-care Companion | 4.8 / 5 (340) | Free | Oct 18, 2026 | Compare |