
Omni Calculator
calculator.net
Build vs. Buy Calculator
DeveloperToolStack
DevNestTools
DevTools Advanced
DevTools.fit
Free, no-signup calculators for the money side of building software and freelancing

Waverly
Medium
Threads
ReadPo
MagicPost
PromptAlphabet
useOrionix
A platform built for writers, bloggers and content creators.

Which is more popular?
Based on our record, Persumi seems to be more popular. It has been mentioned 11 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | devfinancetools.com | persumi.com |
| Pricing | ||
| Company | 2026 | — |
| Listed in |
In their own words, as submitted to SaaSHub.


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...
No description of Persumi yet.
What each product offers, as listed by its team.


Possible disadvantages
How often each product is chosen within a category, 0–100% relative to the other.


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


Tracking DevFinanceTools since Aug 2026.
- Location: Melbourne, Australia - Remote: Yes, preferred - Willing to relocate: No - Technologies: Elixir, Ruby, JavaScript, LLMs - CV: https://persumi.com/u/fredwu/cv - Email: ifredwu at gmail dot com My name’s Fred Wu, I’m an... - Source: Hacker News / 9 months ago
I've been working on three micro-saas, all built in Elixir/Phoenix: https://feedbun.com - a browser extension that decodes food labels and recipes on any website for healthy eating, with science-backed research summaries and... - Source: Hacker News / about 1 year ago
I'm "half-half" so to speak. I work as a CTO in my day job (as an employee). Also I'm self-employed (via a company structure) to build https://persumi.com - a blogging platform, and https://rizz.farm - a lead gen platform, as well as to... - Source: Hacker News / over 2 years ago
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