
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

Alpha Vantage
Twelve Data
Polygon.io
Financial Modeling Prep
SiftingIO
FinancialData.net
Finage
Developer-first market data API

Which is more popular?
Website, pricing, platforms and company facts side by side.
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|---|---|---|
| Website | devfinancetools.com | finfeedapi.com |
| Pricing | ||
| Company | 2026 | Startup from the United Kingdom · 1 - 9 employees · 2025 |
| 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...
FinFeedAPI is the simplest and most useful stock & currency exchanges information API for developers building financial applications. Get real-time stock prices, currency exchange information, company financials, and corporate actions through a single, developer-friendly endpoint. Simple...
What each product offers, as listed by its team.


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


As answered by people managing DevFinanceTools and FinFeedAPI.
FinFeedAPI's answer:
FinFeedAPI is a product developed by the team behind CoinAPI. CoinAPI was founded in 2017 by Artur Pietrzyk, initially stemming from a personal project to build high-frequency market-making models for cryptocurrency markets. Recognizing the broader need for reliable and unified access to exchange data, he launched CoinAPI to provide this infrastructure to others.
FinFeedAPI represents an evolution and expansion of this expertise. It leverages the CoinAPI team's experience in collecting, processing, and delivering complex financial data (initially focused on cryptocurrencies) to offer similar high-quality services for a broader range of traditional financial assets, specifically stocks and fiat currencies, alongside crypto. The aim is to provide a superior, cleaner, and more structured way for users to access this vital financial information.
FinFeedAPI's answer:
While we maintain confidentiality regarding specific client names unless publicly disclosed as partners or in case studies, our target customers mirror the high standards and diverse needs of those served by our sister company, CoinAPI.
The team behind FinFeedAPI has a strong track record, through CoinAPI, of serving a demanding global clientele. This includes:
FinFeedAPI is committed to providing this same caliber of robust data solutions and dedicated support to businesses and developers across the traditional and digital financial markets, from startups to established enterprises. We focus on building long-term partnerships by delivering exceptional data quality and service.
FinFeedAPI's answer:
FinFeedAPI's answer:
Our primary audience consists of businesses, developers, and financial professionals who require accurate and timely financial market data to power their applications, strategies, and decision-making processes. This includes:
FinFeedAPI's answer:
FinFeedAPI's answer:
Share your experience with using DevFinanceTools and FinFeedAPI. For example, how are they different and which one is better?
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