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The drawing app to express, grasp, and organize your thoughts and ideas.

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Free, no-signup calculators for the money side of building software and freelancing

Which is more popular?
Based on our record, Ok! So... seems to be more popular. It has been mentioned 8 times since March 2021.
Website, pricing, platforms and company facts side by side.
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|---|---|---|
| Website | okso.app | devfinancetools.com |
| Pricing | ||
| Platforms | — | |
| Company | 2022 | 2026 |
| Listed in |
In their own words, as submitted to SaaSHub.


No description of Ok! So... yet.
DevFinanceTools is a collection of free, no-signup calculators for the money side of building software and freelancing. Everything runs in your browser — no account, no tracking beyond basic page-view analytics — and every tool shows its formulas and benchmarks so you can check the maths...
What each product offers, as listed by its team.


Possible disadvantages
Walkthroughs and reviews on video.
OkSo app demo
No DevFinanceTools videos yet. You could help us improve this page by suggesting one.
How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using Ok! So... and DevFinanceTools. For example, how are they different and which one is better?
Recommendations tracked on public social media and blogs since March 2021.


Okso.app - Minimalistic online drawing app. Allows to create fast sketches and visual notes. Exports sketches to PNG, JPG, SVG, and WEBP. Also installable as PWA. Free to use for everyone (no registration is needed). - Source: dev.to / over 2 years ago
I used Waterfox, a fork of Firefox, and got one with a transparent background: https://okso.app/. Source: over 3 years ago
Okso.app - Minimalistic online drawing app. Allows creating fast sketches and visual notes. Exports sketches to PNG, JPG, SVG, and WEBP. Also installable as PWA. Free to use for everyone (no registration is needed). - Source: dev.to / almost 4 years ago
Tracking DevFinanceTools since Aug 2026.
When comparing Ok! So... and DevFinanceTools, you can also consider the following products.

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Helping you make rational decisions, one calculation at a time.
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Minimal sketching app for iPad that focuses on ease of use.
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Online calculator for quick calculations, along with a large collection of calculators on math, finance, fitness, and more, each with related in-depth information.
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Should you build an internal tool? Or just buy it?
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