Historical review from 2026-10-21. Current price and availability are unconfirmed; check the original marketplace.
ZeroGPT Plus delivers $5.4K/mo revenue with an exceptional 90% profit margin and a 2.59x annual profit multiple—both well below market for recurring SaaS. Verified financials, 400+ active subscribers, and a 3-year operating track record form a solid foundation. The AI content-detection niche addresses a genuine market need. Key confirmations remain: customer acquisition cost, churn/retention metrics, and revenue concentration by subscription tier.
The core detection algorithm—text classification, plagiarism-detection APIs, and file-upload logic—can be prototyped in 4–6 weeks using OpenAI/Anthropic APIs, open-source ML libraries (scikit-learn), and managed hosting (Vercel, AWS Lambda). Material cost: $8–16K for AI subscriptions, hosting infrastructure, and third-party API integrations. However, the listing captures 3 years of paying-customer relationships, Paddle-integrated billing, a verified recurring-revenue base of $4.8K/mo profit, and 400+ active subscribers—none of which a solo founder can replicate in weeks. The 90% margin and 2.59x valuation justify acquisition over build, provided churn and customer concentration are confirmed as acceptable risk. The verdict leans BUY because durable, verified subscriber traction and profitable unit economics exceed the marginal cost of rebuilding the software layer.
Cash estimate includes the AI tools, APIs and infrastructure needed for a solo founder to recreate the software. Build time is informational and lightly weighted. The verdict is driven mainly by customers, users, verified earnings, retention, distribution, brand, data and operating history.
ZeroGPT Plus is an AI content detection SaaS. Users paste text or upload files to check if content looks AI-generated. Monetized via Paddle subscriptions (~$4.6k MRR, 400+ active subscribers). High-ma
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Preliminary screening based on marketplace and public data. Verify all financial, legal, technical, customer, and operational claims independently before making an acquisition decision. This is not financial or legal advice.