thumbs.work
Calculator, variables, history
About
This app functions as a smart notepad that instantly calculates results as you type in plain language. It offers extensive scientific calculations, unit conversions, and time zone translations. Manage multiple scratchpads for different purposes and export your data in various formats.
What's New in thumbs.work
1.0
August 27, 2026
Developer apps
FAQ
What is thumbs.work?
thumbs.work is a smart notepad that performs calculations as you type in plain language. It offers scientific functions, unit conversions, and time zone calculations without needing an equals button or app switching.
How does thumbs.work handle calculations?
Every line of text you type is evaluated instantly. You can add numbers, split bills, work out budgets, and perform complex scientific calculations like square roots, powers, and logarithms.
Can thumbs.work convert units?
Yes, thumbs.work can convert a wide range of units including length, volume, weight, temperature, speed, area, data, and CSS units. Simply type the conversion, like '10 km to miles'.
Does thumbs.work support time zone calculations?
Absolutely. You can easily calculate time differences by typing phrases like '9am PST to UTC' or 'time in Tokyo'.
How does thumbs.work manage multiple notes?
The app allows you to create separate scratchpads for different purposes, such as groceries, travel, or bills. These scratchpads can be renamed, reordered, and searched.
What data formats can thumbs.work import and export?
You can import and export your data in JSON, Markdown, CSV, or plain text formats. The app also supports its own .calc file format.
Is thumbs.work free to use?
Yes, the core functionality of thumbs.work, including unlimited documents, sync, themes, and import/export, is free. A Pro subscription is available to remove the in-app promo card and support the developer.
What are the subscription options for thumbs.work Pro?
thumbs.work Pro offers two subscription tiers: Pro Monthly at $2.99 per month and Pro Yearly at $19.99 per year. Subscriptions auto-renew unless turned off at least 24 hours before the current period ends.
