TrueCap vs RentCast: rent estimates vs full underwriting
RentCast is a property-data + rent-estimation platform — get rent comps, property value estimates, and API access. TrueCap uses reviewed inputs to model cash flow and returns. RentCast can supply inputs; TrueCap runs the analysis.
Free analyzer: no card or signup
TL;DR
Use TrueCap when
- You want a full underwriting analysis with cap rate, DSCR, and cash flow.
- You want financing math baked in (PITI, amortization, DSCR ratios).
- You want a portfolio rollup across saved deals.
- You want a free tier that doesn't cap analyses.
Use RentCast when
- You want listings-based rent comps with comparable property addresses.
- You need API access to integrate rent data into your own software.
- You want automated property value estimates (AVM).
- You're building a tool and need a data feed, not a UI.
Feature-by-feature
Side-by-side on every dimension that matters for a comparison-shopping investor.
| Feature | TrueCap | RentCast |
|---|---|---|
Primary purpose | Per-deal underwriting calculator | Rent + property value estimation |
Cap rate / CoC / DSCR analysis | Yes — full engine, free tier | Not modeled |
10-year projection | Pro — rent + expense + appreciation | Not modeled |
Secondary Screening Index | Free — 0-100 triage score + factor breakdown | Not applicable |
Rent comp data | HUD Fair Market Rent (county-level, gov-published) | Yes — listings-based comps with addresses |
Property value estimate | Purchase price as user input | Yes — automated valuation model |
API access for developers | No | Yes — REST API for rent + value |
Starting values (rent/rate/tax) | HUD rent + FRED rate + manual local property tax | Property data only |
Mortgage + financing math | Yes — full PITI + DSCR + amortization | Not included |
Pricing (entry tier) | Free core; paid Pro — see live pricing | Free + paid tiers ~$15-$74/mo (as of 2026) |
Free tier | Yes — core cap rate, CoC, DSCR, and cash flow | Limited free lookups |
Shareable read-only deal link | Free — read-only public link; Pro adds co-branding | Not the use case |
PDF deal report | Included with Pro | PDF reports available on paid |
Investor dashboard (saved deals) | Free — dashboard + save up to 5 deals; Pro adds unlimited saves + portfolio rollup | Property-list dashboard |
RentCast details based on publicly available product info as of 2026. See rentcast.io for their current state.
How TrueCap + RentCast fit together
- Get a tighter rent estimate in RentCast. Their listings-based comps give you a more specific number than the HUD county-level baseline.
- Plug that rent into TrueCap. Override the auto-filled HUD rent with RentCast's number. Everything downstream recalculates.
- Run the stabilized-rental underwrite in TrueCap. Cap rate, DSCR, cash flow, sensitivity, and a 10-year cash-flow and equity projection.
- Save the deal + revisit later. TrueCap's saved-deal feature lets you re-run with updated assumptions when market data shifts.
Want to turn those two estimates into a verdict? RentCast's rent and value figures are the only inputs the free 1% rule calculator needs; the full TrueCap analyzer takes it from there — cap rate, DSCR, and cash flow. Our guide on 60-second underwriting walks through the workflow end-to-end.
Common questions about TrueCap vs RentCast
Quick answers to the questions investors comparison-shopping these tools actually ask.
Is TrueCap a RentCast alternative?
How accurate is RentCast vs TrueCap's HUD-based rent estimate?
Does RentCast do cap rate or DSCR calculations?
Which has a better free tier?
Can I use RentCast's data in TrueCap?
Sources & methodology: Feature and pricing rows reflect RentCast's publicly listed information, last reviewed June 2026. Vendors change features and prices often — verify current details on RentCast's own site. Where TrueCap claims “sourced defaults,” that refers specifically to an editable HUD area-rent benchmark and the FRED owner-occupied 30-year mortgage-rate benchmark. Property tax is a manual local input with a disclosed generic fallback, not a state-data auto-fill.
On price, plainly
Tools in this space run from free to well above TrueCap — check RentCast's live pricing for their current number. What TrueCap's price buys is the decision layer, not more calculation: an Offer Ceiling under your selected targets, rule-fit results for your Buy Box with reasons, the downside stress test, and assumptions that are source-labeled instead of silently defaulted. Whether that workflow justifies the price depends on your volume, verification process, and existing tools.
Ready to run a real deal and compare the screening results yourself?
Free 60-second analysis with labeled starting assumptions and no signup. Pro calculates the highest modeled Offer Ceiling that still meets your selected targets under the assumptions shown.
Underwrite the next deal — free.
TrueCap free covers cap rate, CoC, DSCR, NCF, and monthly cash flow. Pro adds 10-year cash-flow and equity projections, sensitivity, Offer Ceiling, co-branded share links, and PDF reports with Pro; see live pricing for current terms. No card to start.