On Borderline, you can contact founders and buy the codebase, domain, customers and revenue streams, etc of their apps. For 8 years, we've helped founders sell over $2m in apps.
Sometimes, founders run out of time, money or motivation to continue building thier app. Borderline helps founders sell their app for cash so they can reinvest in whatever you're most excited about next!
Buyers & Sellers always talk directly
We don't take a cut, you keep 100% of the sale
Designed for SAAS, mobile & desktop apps
Sell apps that have yet to make a profit
No listing fees, no commission, no hidden costs
$4,900
StatementSheet turns a bank statement PDF into a clean Excel or CSV file. Unlike most converters it recomputes the running balance on every row and flags the exact rows where the printed balance does not match, so a bookkeeper checks three flagged rows instead of re-reading four hundred. It handles US and European layouts, scanned or digital, and stores nothing: the PDF is processed in memory and released when the request ends. Built August and September 2026. What transfers: the domain statementsheet.org (two years paid), the full source, 91 bank landing pages, six guides, a comparison page against eight rivals, demo videos, the Vercel, Clerk and PostHog projects, a market map of who pays for this today, and 30 days of email support. Honest about traction: no external revenue, one outside signup. The one paid test on X cost $40 for 80 clicks and produced no real uploads, because people reading a feed on a phone have no statement in hand. The engineering and the SEO groundwork are done; distribution is what the next owner brings. Buyers who fit: anyone already running a converter without a balance check, or a bookkeeping tool whose clients keep asking for PDF import. Payment through Escrow.com.
Valuation reason: Cost to rebuild, not a revenue multiple, since there is no revenue yet. Roughly six weeks of engineering: a statement parser with per-row balance reconciliation, 91 bank landing pages, six guides, working payments, auth and a bookkeeper dashboard. Comparable pre-revenue micro-SaaS sales sit around $3-5k. Open to offers.
Tech Stack: Next.js 15, TypeScript, Postgres on Neon via Drizzle, Clerk auth, Polar billing, Gemini through the Vercel AI SDK, hosted on Vercel, PostHog analytics, 43 files of Vitest tests
The seller has uploaded supporting documents like screenshots of revenue, traffic, or other sensitive data.
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