
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

BinderDex
SleeveUp.app
TCG Catalogue
Collectr
Dex
CollX
Cardabase
AI-powered Pokémon TCG collection tracker: real-time value for any card, in any condition and language, plus wishlist target prices and master set tracking.

Which is more popular?
Website, pricing, platforms and company facts side by side.
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|---|---|---|
| Website | devfinancetools.com | darkdex.app |
| Pricing | ||
| Platforms | — | |
| Company | 2026 | Startup from Italy · 1 - 9 employees · 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...
DarkDex is a web app for Pokémon TCG collectors. Its core is an AI-powered pricing engine that estimates the value of any card in any condition and any language, not just English near mint like most other apps, so you always know what your collection is really worth. Beyond pricing, DarkDex gives...
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 DarkDex.app.
DarkDex.app's answer:
DarkDex estimates the value of any Pokémon card, in any condition and any language, not just English near mint like most trackers. What sets it apart:
DarkDex.app's answer:
Most competitors are mobile scanner apps focused on English near-mint prices. DarkDex is different:
DarkDex.app's answer:
Pokémon TCG collectors who want to know the real value of their collection and manage it seriously:
DarkDex.app's answer:
DarkDex began as a personal tool. A Pokémon collector wanted to know what his collection was really worth and got tired of English-only, near-mint-only prices and checking values by hand. It grew into a full web app and is now open to everyone, still shaped by feedback from the collector community.
Share your experience with using DevFinanceTools and DarkDex.app. For example, how are they different and which one is better?
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Should you build an internal tool? Or just buy it?
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