Stop estimating badly.
Start executing with clarity.

Write every task. Set your time estimate. Track execution in real time. The only productivity app that turns your work into measurable skill.

Explore Workflow ↓
Interactive Workflow

One continuous loop, zero friction.

Laptop
01
Todo List

Capture task + estimate

Write the task name and immediately commit to a time estimate. Attach a note if needed.

Cognitive Science

Estimation is a training rep.

Estimation accuracy is a learnable skill. Most tools hide your history. Write.Set.Done! surfaces it so you can actually improve - week over week, month over month.

68%

of workers chronically underestimate task duration due to the planning fallacy.

3.2×

higher completion rate when tasks are split into smaller, clearly estimated steps.

21 Days

average time to measurably improve estimation accuracy with daily feedback tracking.

Features

Built for how serious work actually happens.

Not a list app. Not a calendar app. A complete execution system - from idea to archive.

Scheduler

Visual Scheduling

Drop tasks onto your week. The scheduler visualizes time as a resource, not just a list.

Live Tracking

Live Tracking

Press play to start. Watch progress update in real time - your task highlights instantly when you exceed the estimate, giving immediate focus feedback.

Archive

Timeline

Every action, timestamped. A daily timeline logs every task creation, edit, start, pause, and completion.

Analytics

Performance Reports

Every month you get a full breakdown: daily average hours, tasks completed, estimation accuracy score, and personalized suggestions for next month's focus.

Estimation Accuracy 78%
Tasks Completed 91%
Avg. Daily Focus 4h 20m
Activity Heatmap · 90 Days
Philosophy

Why This App Exists

Have you ever felt like your mind was running a browser with a hundred tabs open?

That is how many people live today. We constantly analyze, overthink, and juggle dozens of responsibilities at once. We try to keep track of everything in our heads - tasks, ideas, deadlines, plans, promises. Eventually, the mental load becomes too much.

You start forgetting things.

You lose clarity.

You jump from one task to another without making real progress.

Even adding a new responsibility creates anxiety because you're afraid something else will slip through the cracks.

Over time, this affects more than productivity. It affects confidence. You begin to feel less capable than you actually are.

For years, I relied on simple note-taking and to-do list apps. Whenever an idea or task appeared, I immediately wrote it down on my phone. Since our phones are always within reach, this became a convenient way to clear my mind and stop carrying everything in my head.

And it helped - at first.

But eventually, another problem appeared.

The list kept growing.

I was adding tasks faster than I was completing them.

I realized that writing things down and setting reminders does not solve the problem. It only stores it for later.

A lesson from my former manager completely changed my perspective.

At the time, he was a 71-year-old businessman with decades of experience. One piece of advice he gave me stayed with me:

"Estimate how long things will take."

Simple, but powerful.

He taught me to break large tasks into smaller pieces and assign realistic time estimates to each one. He often said:

"Even if your estimate is wrong, keep doing it. It's a skill, and skills improve with practice."

That idea changed how I approached work.

Once you know roughly how long something takes, planning becomes much easier.

When you have realistic estimates, you can finally start building a day that matches reality instead of wishful thinking.

Some people prefer planning first thing in the morning. Others prefer planning the night before so they can clear their minds and relax. Both approaches work.

What matters is deciding when something will be done - and then honoring that commitment.

No app can do that part for you.

At some point, you have to train yourself to trust your own word. Most people keep promises they make to others. The real challenge is keeping promises you make to yourself.

One insight became increasingly clear to me:

Planning and execution are different mental activities.

Many people waste enormous amounts of energy switching between them.

They sit down to work, but instead of executing, they start planning. Then they start analyzing. Then they reconsider priorities. Then they organize again.

By the time they finally begin, much of their focus is already gone.

State 01

Planning should happen during dedicated planning time.

State 02

Execution should happen during execution time.

When it's time to work, the decision should already be made. You shouldn't need to negotiate with yourself every few minutes.

That realization eventually became the foundation of this app.

What started as a personal productivity experiment became a tool that helped me improve my planning skills, understand where my time actually goes, and build greater consistency in my daily life.

For the first time, I could clearly see patterns that were previously invisible.

I could see how much time I spent on meaningful work versus distractions.

I could compare my estimates with reality and gradually become better at planning.

I could identify bottlenecks, unfinished projects, and habits that were slowing me down.

Most importantly, I felt more in control Less overwhelmed More focused More intentional

This app was never about being busy. It was about making meaningful progress.

It was about doing the right things with greater clarity.

And if you've ever felt like you're carrying too much in your head, constantly switching between tasks, or struggling to turn plans into action, what you've been missing may not be more effort - it may be more clarity.

Pricing

Start free. Upgrade when ready.

Free

Write every task.

$0

forever

  • Up to 30 tasks/month
  • Full scheduler + tracking
  • Daily timeline visibility
Most Popular

Pro

Deep work intelligence.

$8

per month, billed annually

  • Unlimited tasks + projects
  • Monthly accuracy reports
  • Historical activity heatmaps
  • Rich notes attached to tasks

Team

Elite tactical scaling.

$18

per seat / month

  • Everything in Pro
  • Shared project clusters
  • Team performance dashboard
Ready?

The only way to improve your work is to measure it.

Write.Set.Done! is free to start. No credit card. No setup. Just open it and write your first task.