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

User Interviews
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Zoho Survey
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Respondent helps you find any target audience in the world for in-person and remote research studies across all research methods including interviews, focus groups, surveys, and more. Respondent works with any research tool you already use.

Which is more popular?
Based on our record, Respondent seems to be more popular. It has been mentioned 23 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | devfinancetools.com | respondent.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 Respondent yet.
What each product offers, as listed by its team.


Walkthroughs and reviews on video.
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Respondent Review - High Paying or BS? (Inside Look)
More videos
How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using DevFinanceTools and Respondent. 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
Respondent – Online and in-person consumer research studies w/ average pay rates of $140 an hour! Check out our full Respondent review for more.
Recommendations tracked on public social media and blogs since March 2021.


Tracking DevFinanceTools since Aug 2026.
Respondent.io is great as well. Lots and lots of studies every day posted, these can pay very well depending on your specialty. Source: almost 3 years ago
Hi! No, this is a legitimate project. You can visit our website respondent.io to know more about the company. Thank you! Source: over 3 years ago
If you have a bit more budget, you can also recruit participants from online panels (like userinterviews.com or respondent.io). For an incentive, you can screen the right people to participate in your playtest. Keep in mind you will need... Source: over 3 years ago
When comparing DevFinanceTools and Respondent, you can also consider the following products.

Helping you make rational decisions, one calculation at a time.
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User Interviews is a tool to recruit participants for product tests and market research.
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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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Usability testing has never been easier. Get videos of real people speaking their thoughts as they use websites, mobile apps, prototypes and more!
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Should you build an internal tool? Or just buy it?
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Capture feedback and turn it into actionable insight.
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