YieldStack VS thecalcs

YieldStack's answer

YieldStack helps borrowers evaluate the whole financing offer: rate, leverage, fees, reserves, prepayment terms, and closing requirements. Its platform organizes the process, while its brokerage team helps borrowers find suitable lenders and move the deal forward. One submission gives borrowers a coordinated financing process without an upfront brokerage fee.

thecalcs's answer:

Because thecalcs combines the precision of technical calculators with the usability of modern SaaS design. It’s not just a library of calculators — it’s a solution hub:

Every calculator is fast, mobile-optimized, and completely free.

Users get instant, interactive results with professional explanations.

Businesses can request custom calculators built to match their brand and needs. It’s the most practical, transparent, and scalable calculator platform available online.

YieldStack's answer

YieldStack combines AI-assisted lender matching with hands-on commercial mortgage brokerage. Borrowers submit once, compare financing options, and work with a team that handles structuring, negotiation, and closing coordination. Borrowers approve lender outreach, with no upfront fees and a broker fee paid only at closing.

thecalcs's answer:

Thecalcs is the world’s first large-scale platform dedicated entirely to professional-grade, free calculators across every industry — from finance and real estate to engineering, education, and marketing. Each calculator is built with verified formulas, instant results, and clean, ad-free design, making it both developer-friendly and business-ready. Unlike generic calculator sites, thecalcs focuses on accuracy, speed, and conversion — helping users solve problems while inspiring businesses to create their own custom tools.

YieldStack's answer

Commercial real estate investors, developers, operators, and mortgage brokers seeking bridge, DSCR, fix-and-flip, construction, multifamily, and permanent financing across the United States.

thecalcs's answer:

Professionals, entrepreneurs, and students who need fast, accurate tools for daily work.

Companies and agencies looking to add interactive calculators to their websites to improve engagement, lead generation, and conversions.

Educators and content creators who embed or reference calculators for learning and data-driven explanations.

YieldStack's answer

Rommin Adl and Daniel Chesney founded YieldStack to simplify commercial real estate financing. The platform brings deal preparation, lender matching, offer comparison, and closing coordination into one workflow, combining AI-assisted analysis with human brokerage expertise.

thecalcs's answer:

Thecalcs began as a personal experiment by Souhayb Kamal, a full-stack developer, to make technical calculators more usable and beautiful. After realizing that most online calculators were outdated, inaccurate, or overloaded with ads, he started building modern, responsive, and precise tools powered by clean code and real-world formulas. What started with a few math and finance tools grew into a full SaaS-style calculator library — now trusted by thousands of users and used by companies worldwide to develop custom tools for their own websites.

YieldStack's answer

AI integrations supporting the platform’s workflows.

thecalcs's answer:

Frontend: Next.js, React, Tailwind CSS, TypeScript

Data & SEO: JSON Schema for formulas, custom metadata indexing

Infrastructure: Vercel for deployment and performance

Analytics & Automation: Google Search Console, IndexNow, Ahrefs integration

YieldStack's answer

The largest CRE Lenders in the USA

thecalcs's answer:

Financial planning agencies – ROI and investment calculators

Marketing consultancies – Campaign ROI tools

Construction and home improvement businesses – Cost estimator calculators

Educational and training platforms – Math and science calculation tools