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Track what you do. Discover what actually works.

Log daily behaviors in seconds, rate your outcomes, and see which habits actually drive your best days.

Free. No account. Your data stays on your device.

Download on the App Store
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You already know what to do. You just don't know what's working.

You've tried morning routines, meditation apps, diet changes, and productivity hacks. Some weeks feel great. Others don't. But you can't pinpoint why. Because you're relying on memory and gut feeling. That's not a strategy. That's guessing.

Three steps to self-knowledge

  1. 1

    Track

    Log what you did today from 165+ activities. Takes 30 seconds.

  2. 2

    Rate

    Mark your day: good, neutral, or rough. One tap.

  3. 3

    Discover

    Voila shows which behaviors show up on your best days vs. your worst. Patterns you'd never spot on your own.

Features

Everything you need to track behaviors and discover what works.

Track anything that matters

Quitting smoking? Improving sleep? Boosting focus? Create a goal, pick your daily activities, and start collecting data on what drives your results.

Log your day in 30 seconds

Choose from 165+ built-in activities or add your own. Rate your outcome. Done. No journals, no essays. Just quick daily check-ins.

Spot what's actually working

See which activities appear on your good days vs. bad days. Voila surfaces correlations you'd miss, like that afternoon walks predict your most productive evenings.

Watch your streaks grow

Calendar heatmaps, weekly charts, and success rates show your momentum at a glance. Every green square is proof you're building something.

100% private. Zero cloud.

Your behavior data never touches a server. No account needed. No tracking. Everything stays on your iPhone. Always.

See what your gut can't

You think morning coffee helps you focus. But your data shows it's the 20-minute walk before work that predicts your best days. Voila reveals correlations you'd never notice on your own.

Voila See what your gut can't screen

Your data. Your breakthroughs.

Every insight is built from your real behavior, not generic advice from a blog. After 2-3 weeks of tracking, you'll see patterns unique to your life that no habit tracker could show you.

Voila Your data. Your breakthroughs. screen

What we're building next

Download now and start building your data. It'll be ready when these features land.

AI-Powered Analysis

Let AI analyze your tracking data to reveal hidden correlations and give you actionable recommendations on what drives your success.

Smart Notifications

Get personalized reminders based on your tracking patterns. The app learns when you're most likely to log and nudges you at the right time.

Advanced Statistics

Deeper trend analysis, monthly reports, and cross-protocol comparisons to understand your behaviors over longer periods.

Questions

The same answers I'd give over a coffee, if you asked.

Oussama Bouthouri

Hey, I'm Oussama

Oussama Bouthouri

I'm a software engineer obsessed with self-improvement, but tired of guessing what actually worked. I tried every habit and productivity app out there. None answered the real question: which behaviors actually correlate with my best days? So I built Voila. Real data, not just checkmarks.

Other apps I've shipped:

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Your patterns are waiting

Start tracking today. Your first insight is 2 weeks away.

Download on the App Store

Free. No account. 100% private.