
DealCheck.io
Mashvisor
PropStream
Rehab Valuator
REIkit House Flipping Software
ProAPOD
PropertyMetrics
Analyze any rental property deal in seconds with 18 free calculators: cash flow, cap rate, cash-on-cash, NOI, BRRRR, DSCR and more. No sign-up, no downloads, no paywall, and every result shows the math so you can trust it.

StackSource
AI-native commercial mortgage brokerage. One submission, lender matching, and human support through closing. No upfront fees.

Which is more popular?
Website, pricing, platforms and company facts side by side.
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| Website | cashflowcalcs.com | yieldstack.ai |
| Pricing | ||
| Platforms | — | |
| Company | Startup from the United Kingdom · 1 - 9 employees · 2026 | Startup from the United States · 1 - 9 employees · 2025 |
| Listed in |
In their own words, as submitted to SaaSHub.


CashflowCalcs is a free suite of 18 calculators that lets US rental property investors and landlords analyze any deal in seconds. No account, no downloads, no paywall, and every calculator shows its formula and a worked example, so you are never trusting a black box. Most rental-analysis tools...
YieldStack helps real estate investors, developers, and brokers find commercial mortgage financing from third-party lenders. Borrowers submit a financing request through one platform. AI supports deal preparation and lender-program matching, while YieldStack’s brokerage team helps compare offers,...
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 CashflowCalcs 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 CashflowCalcs and YieldStack.
YieldStack's answer:
The largest CRE Lenders in the USA
CashflowCalcs's answer
It's a static site built with Astro and lightweight vanilla JavaScript for the calculators, so pages load fast and run entirely in the browser. It's hosted on Cloudflare Pages, with Cloudflare handling DNS and analytics. There's no backend or database, which is what keeps it fast and private, since the numbers you enter never leave your browser.
YieldStack's answer:
AI integrations supporting the platform’s workflows.
CashflowCalcs's answer
CashflowCalcs brings the whole rental-property analysis workflow into one free, no-sign-up place. Instead of a single cap-rate or mortgage calculator, it offers 18 connected tools spanning deal analysis, investing strategies, financing, and taxes, and every calculator shows its formula and a worked example rather than acting as a black box. It runs entirely in your browser, the numbers you enter never leave your device, and it stays free with no account and no paywall.
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.
CashflowCalcs's answer
Most rental-analysis tools make you create an account, start a trial, or pay before you can run a single number. CashflowCalcs lets you analyze any deal in seconds with no sign-up, no downloads, and no paywall. It's fast, mobile-friendly, and transparent about the math, so it's ideal for quickly checking whether a deal actually cash flows before you commit time to it or pay for heavier software. It's also honest about its limits: results are clearly labeled as educational estimates, not financial advice.
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.
CashflowCalcs's answer
US-based rental property investors and landlords, especially beginner-to-intermediate investors who want a quick, reliable way to run the numbers on a potential deal. It also fits people weighing their first rental purchase, house hackers, and small-portfolio landlords who need cash flow, cap rate, and financing math without a subscription.
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.
CashflowCalcs's answer
CashflowCalcs started from a simple frustration: every time its founder wanted to quickly check whether a rental property cash flows, he hit a login wall or a "start your free trial" button just to calculate a cap rate. So he built the tool he wanted, a set of free calculators that run the numbers on any rental deal in seconds, right in the browser, with no account and no downloads. It launched in 2026 and has grown into 18 connected calculators covering the full rental-analysis workflow, and it stays free, supported by ads.
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.
Share your experience with using CashflowCalcs and YieldStack. For example, how are they different and which one is better?
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