
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

TraderSync
Edgewonk
Stonk Journal
Trademetria
TradesViz
Alpha Trader
MyPnL.pro
Trading psychology and behavioral analytics that help traders understand their patterns, build discipline, and make better decisions.

Which is more popular?
Website, pricing, platforms and company facts side by side.
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|---|---|---|
| Website | devfinancetools.com | pnlapp.co |
| Pricing | ||
| Platforms | — | |
| Company | 2026 | Startup from the United Arab Emirates · 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...
PnL App is a trading psychology platform built to help traders understand their behavior, strengthen discipline, and make better trading decisions. Smart Trading Journal automatically imports or manually tracks trades alongside emotions, mistakes, strategies, and context. AI-powered analytics...
What each product offers, as listed by its team.


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


As answered by people managing DevFinanceTools and PnL App.
PnL App's answer:
Most trading tools analyze a trade after it happens. PnL also tries to stop the bad trade before you even enter it. It learns from your trading behavior, emotions and recurring mistakes to spot when you’re most likely to make an impulsive decision. And when knowing you should stop isn’t enough, Discipline Mode can actually block your trading apps. Because sometimes the best trade is the one you never take.
PnL App's answer:
Another chart showing your win rate won’t stop a revenge trade. PnL combines smart journaling, AI analytics and behavioral analysis with tools designed to change what happens next. We help traders understand why they lose discipline, recognize dangerous patterns before the next trade, and use Discipline Mode to physically remove access to trading apps when needed. The goal isn’t just to analyze losing trades. It’s to prevent avoidable ones before they happen.
PnL App's answer:
Traders who know the strategy but don't always follow it. PnL is built for retail and prop traders across crypto, forex, stocks, futures, options and other markets who struggle with FOMO, revenge trading, overtrading, inconsistent risk or simply want to become more disciplined.
PnL App's answer:
PnL started with a frustrating realization of our founder, Minwoo Lim: knowing how to trade and actually trading that way are two very different things. A good strategy can still be destroyed by fear, greed, FOMO or one impulsive decision. We built PnL around the part of trading most platforms leave to the trader to “just control” - human behavior.
Share your experience with using DevFinanceTools and PnL App. For example, how are they different and which one is better?
When comparing DevFinanceTools and PnL App, you can also consider the following products.

Helping you make rational decisions, one calculation at a time.
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Biometric trading journal to trade without emotion
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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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Edgewonk is an automated online trading journal for Forex, stocks, Futures, Crypto, and CFD trading. Easily import your trades and the Edgewonk analytics show you how to improve your edge.
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Should you build an internal tool? Or just buy it?
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Free trading journal with an AI coach that reviews your trades and helps you improve.
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