100% Private · Local Storage · Free forever

Build habits that stick. Your data stays with you.

A habit tracker that lives entirely in your browser

Open App See all features

📅

Monthly
Grid

📊

Daily
Scores

💾

Export &
Import

🔒

100%
Private

⌨️

Keyboard
Friendly

📴

Works
Offline

A monthly grid that shows exactly where you stand.

📅 The Habit Grid

Each row is a habit, each column is a day. Check off completions with a single click or navigate entirely by keyboard. Scroll through all 28/30/31 days with sticky habit names on the left.
⚖️ Weight Tracker Row

Log your daily weight in kg right inside the habit grid. One unified view for all your daily metrics, no separate app needed.

Habit Grid

Every day, at a glance.

📊 Habit Ally

←

2026 / 3

→

+ Add Export

Metric / Date	17	18	19	20	21	22	23
icons	🌳	🍎	🌲	💨
Weight (kg)	70.2	70.0	69.8
Woke on time
Workout
Deep Work
Reading
No Junk Food
Slept on time
Daily Score %	83%	100%	67%	0%	—	—	—

Scores and analytics that motivate, not overwhelm.

📊 Daily Score %

Every column automatically calculates a score, the percentage of habits you completed that day. See your best days and your worst in one glance at the footer row.
🌱 Monthly Average & Legend Icons

Each day's column header shows an emoji reflecting your performance, 💨 0%, 🌱 <40%, 🌳 <80%, 🌲 <95%, 🍎 100%. The monthly average card tracks your overall momentum with an animated progress bar.

Analytics

Progress you can actually see.

74%

Monthly Average

Total Habits

Days Logged

Monthly Average 74%

Status Legend

💨

🌱

<40%

🌳

<80%

🌲

<95%

🍎

100%

Your data. Portable and always yours.

💾 Export & Import

Download your entire habit history - habits, weights, and all check data as a timestamped JSON file. Import it back any time to restore or migrate between devices.
🔄 Reset & Fresh Start

Want to start over? One-click Reset wipes everything from localStorage after a confirmation prompt. No data lingers, no account to delete, no emails to unsubscribe from.

Export & Import

Your habits, your JSON.

habit-ally-export-2026-03-20.json 3.2 KB

{
"exportDate": "2026-03-20T14:32:11Z",
"habits": [
"Woke on time",
"Workout",
"Deep Work",
"Reading",
"No Junk Food",
"Slept on time"
],
"checks": {
"2026-3-17-Workout": true,
"2026-3-18-Reading": true,
"2026-3-19-Deep Work": true
},
"weights": {
"2026-3-17": 70.2,
"2026-3-18": 70.0,
"2026-3-19": 69.8
}
}

Powerful privacy by design, not policy.

🔒

localStorage-only architecture

Habit Ally has no backend, no API, no analytics, no cookies, and no third-party scripts. Your habit data is stored exclusively in your browser's localStorage - it never leaves your device under any circumstances.

Privacy Architecture

What we collect. (Nothing.)

🔒 Data flow - Habit Ally Verified

🖥️ Data stored on device ✓ Yes

☁️ Cloud / server sync ✗ Never

👤 Account required ✗ Never

📡 Analytics / tracking scripts ✗ Never

🍪 Third-party cookies ✗ Never

📴 Works fully offline ✓ Yes

💾 Auto-saves instantly ✓ Yes

Why we built Habit Ally +

Most habit trackers require an account, sync your data to a server, and monetize through subscriptions or advertising. We wanted something different - a tool that respects your data, works offline, and never asks you to log in.

Habit Ally is the result: a fully private, browser-based habit tracker that stores everything in localStorage. No backend, no cost to run, no incentive to monetize your habits.

Who built Habit Ally? +

Habit Ally was built by Cyber Alliance India - a web development and cybersecurity collective focused on building privacy-first, open-source tools for everyday users.

We believe that useful software doesn't need to harvest your data. Visit us at cyberalliance.in to learn more about who we are and what we stand for.

What are some other projects by the developers? +

Cyber Alliance India has built a range of open-source and privacy-focused tools. You can explore the full portfolio at cyberalliance.in/portfolio.

From security utilities to productivity tools, the team builds software that puts users - not platforms - first.

🌱

Small habits. Big change.

Track what matters, privately, every single day

6 default habits 31-day grid Zero servers 100% free

💡

Ali Abdaal

Former Doctor · YouTuber · Author

✦ The inspiration behind this app

Built on an idea from Ali Abdaal's habit tracking spreadsheet

Habit Ally started as a browser-based reimagining of Ali's Google Sheets habit tracker, the one he shared on YouTube that showed how a simple monthly grid with daily check-ins could be genuinely transformative for building consistency.

His core idea was brilliant: lay out an entire month at a glance, check habits daily, and let the visual pattern do the motivating. We took that same philosophy and built it into a private offline-first web app.

If you haven't discovered Ali's work on productivity his channel and book are genuinely worth your time.

YouTube channel

Build habits that stick. Your data stays with you.

A monthly grid that shows exactly where you stand.

📅 The Habit Grid

⚖️ Weight Tracker Row

Scores and analytics that motivate, not overwhelm.

📊 Daily Score %

🌱 Monthly Average & Legend Icons

Your data. Portable and always yours.

💾 Export & Import

🔄 Reset & Fresh Start

Powerful privacy by design, not policy.

Small habits. Big change.

Built on an idea from Ali Abdaal's habit tracking spreadsheet

Start tracking habits today. Free, private, and instant.