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

Final Round AI - Interview Copilot
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Daily Coding Problem
LockedIn AI
Free, anonymous technical interview practice
Which is more popular?
Based on our record, interviewing.io seems to be more popular. It has been mentioned 102 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | devfinancetools.com | interviewing.io |
| 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 interviewing.io yet.
What each product offers, as listed by its team.


Possible disadvantages
An editorial look at what each product does well and who it suits.


No analysis of DevFinanceTools yet.
Overall verdict
Why this product is good
Recommended for
Walkthroughs and reviews on video.
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Technical Interviewing Anonymous: Aline Lerner, CEO @ Interviewing.io
How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using DevFinanceTools and interviewing.io. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.


We have no reviews of DevFinanceTools yet. Be the first one to post
Interviewing.io takes a very unique approach to coding interview prep. Rather than providing content and practice coding challenges, Interviewing.io has a library of actual video interviews that you can watch, and you...
Recommendations tracked on public social media and blogs since March 2021.


Tracking DevFinanceTools since Aug 2026.
Interviewing.io charges $100–225 per session. Genuinely useful, but you can't do 5 sessions a day for a month. And a stranger on a 45-minute call doesn't know your history. - Source: dev.to / 7 months ago
Mock interviews: Pramp, Interviewing.io (free tier), or batchmates. Aim for 8–10 mocks. - Source: dev.to / 8 months ago
Interviewing is very performative so along the way you should absolutely do mock interviews just to get the nerves out and to practice being calm under pressure. I paid for several using Interviewing.io. They were certainly helpful, but... - Source: dev.to / about 1 year ago
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