coindata.app

What It Is

CoinData is a cloud-based collection management platform for coin collectors. Rather than being a generic asset spreadsheet, it is built around cataloging, valuing, researching, and supporting transactions for coin collections. It can serve everyone from circulation coin hunters to high-end numismatic investors, with fields for grade, provenance, material, weight, Krause number, special issues, error coins, and more, plus support for hosting high-resolution images.

Core Features and Integrations

Its core module is Vault inventory management, offering custom tags, folders, a mobile-optimized interface, PDF catalog generation, and CSV/PDF export. In the Pro plan, AI Vision uses OpenAI Vision to identify the year, denomination, and material from photos, while also helping assess condition. The market data module connects directly to completed eBay auction data, showing the sale date, final price, and original listing link, avoiding reliance solely on static “catalog prices.” For sellers, eBay Listing Helper can generate SEO titles, HTML descriptions, and reference prices based on Vault data. Noodle Hunt is aimed at circulation coin searching, with checklists, community logs, and hot-spot information.

Pricing and Limitations

The pricing structure is fairly straightforward: the 7-day free trial costs $0 and supports up to 10 coins, a one-time allowance of 5 AI scans, access to eBay valuations and Noodle logs, but no export and no ability to purchase Premium DLC. Pro costs $3.50/month, while the page notes annual billing at $45. It supports up to 50,000 coins, 30 AI scans per month, participation logs, data export, and unlocked research packs. Additional AI Tokens and Research Packs are also available. The terms indicate that subscriptions, Tokens, and research packs are generally non-refundable, so this should be confirmed before purchase.

Security, Collaboration, and Support

The platform is cloud-deployed and provides secure cloud backups and multi-tenant data isolation. Users retain ownership of uploaded data, images, and inventory logs, while CoinData receives only a limited license to use them for providing the service. Payments are handled via Stripe, AI processing may go through OpenAI, and market data depends on eBay. The available text does not indicate support for team collaboration, role-based permissions, public APIs, webhooks, or self-hosting. For support, account, billing, and technical issues are handled through the Support Desk after logging into Vault; public pre-sales contact appears to be mainly through social media or community forums.

Pros, Cons, and Who It’s For

Its strengths are deep vertical focus, low pricing, real eBay sold-price data, and AI-assisted entry that can significantly reduce manual maintenance work. Its drawbacks are that AI grading and valuation are not certified appraisals, it has strong dependencies on third-party services, the free trial allowance is small, and the refund policy is strict. It is best suited to coin collectors who seriously maintain their collections, frequently check prices, or buy and sell on eBay. If you only occasionally record a small number of items, a spreadsheet or Notion/Airtable may already be enough.

Access from China

Access conditions from mainland China are not specified in the available text. Because CoinData depends on Stripe, OpenAI, and eBay, actual access, payment, and AI features may be affected by local network and payment conditions. Users in China should first use the free trial to verify whether registration, payment, image uploads, and eBay data loading are stable before subscribing.