Spiral - Fibonacci Focus Timer

Tired of The Pomodoro Technique? Try the Fibonacci Technique!

Here is how it works:

Use the Fibonacci sequence (1, 2, 3, 5, 8, 13, 21, 34, 55, up to 89) as focus estimates for your tasks. For example, can you finish the task youre working on in under 55 minutes? What about under 34?

This approach helps you start with the end in mind. If you still have work to do after your estimate, no problem—just make a second estimate. Maybe you can finish up in under 8 minutes or under 5.

By setting time estimates, you introduce positive time pressure while you work. This isn’t about stress—it’s about focus. Learning to work with positive time pressure will better prepare you for real-world situations, where working efficiently and within deadlines is often the key to success.

The Fibonacci Technique also encourages you to break down your work into small goals. If youre having trouble making an estimate for a task, its likely because you havent clearly defined what you are trying to accomplish.

Free Tier - includes the Fibonacci Sequence estimate timer and unlimited break optimization as you work to help you achieve mindful balance.

Pro Tier - A 15 hour free trial of pro tier will start automatically when you create your first project (no credit card required). Pro tier includes optional reflections and time tracking features. You can also sync your free trial with desktop by going to www.spiralzen.com and creating an account.

The Science Behind Fibonacci Estimates

Imagine youre holding two rocks—one weighs 1 pound and the other 2 pounds. Even without seeing them, you can likely feel that the 2-pound weight is noticeably heavier.

Now, picture holding a 40-pound rock and a 41-pound rock. Even though the difference is still 1 pound, you’d have a much harder time telling which one is heavier.

This happens because of Weber’s Law, which states that the noticeable difference between objects is based on a relative percentage rather than an absolute amount.

The jump from 1 pound to 2 pounds is a 100% increase, which makes it easy to tell the difference. But the change from 40 to 41 pounds is only about a 2.5% difference, making it much harder to distinguish.

The Fibonacci sequence is useful for estimating because it reflects Weber’s Law. After the first two numbers, each value is roughly 60% greater than the previous one. This keeps the differences large enough to be noticeable, making it easier to differentiate between estimates.

In short, the Fibonacci values are spaced in a way that mirrors how we naturally perceive differences, helping us make more accurate distinctions when estimating task size.

Some additional use cases:

Spiral will help you estimate -

- How fast you can complete a simple task (to encourage you to get it done faster).

- The smallest bearable time you can devote to a tedious task before needing a break (this helps with motivation).

- How long youre ready to focus on a larger task given your current energy.

- The maximum time you should let yourself spend on a less important task.

Download Spiral today, and enjoy a more flexible, mindful, and effective approach to time management!

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