The latest articles on DEV Community by FolioSpan (@foliospan). https://dev.to/foliospan https://media2.dev.to/dynamic/image/width=90,height=90,fit=cover,gravity=auto,format=auto/https:%2F%2Fdev-to-uploads.s3.us-east-2.amazonaws.com%2Fuploads%2Fuser%2Fprofile_image%2F4241822%2Fdfd6e651-3b8a-48f5-b463-e49088299516.png https://dev.to/foliospan en FolioSpan Thu, 12 Nov 2026 21:54:35 +0000 https://dev.to/foliospan/show-dev-foliospan-a-local-first-portfolio-tracker-that-only-needs-a-public-address-9p3 https://dev.to/foliospan/show-dev-foliospan-a-local-first-portfolio-tracker-that-only-needs-a-public-address-9p3 <p>I'm the developer of FolioSpan. I built it because I wanted stocks and a few on-chain wallets in one record without pasting a seed phrase or doing KYC just to see a balance I already own.</p> <h2> What it does </h2> <ul> <li>Manual lots for stocks, ETFs, crypto, metals, and commodities</li> <li>Scan a public wallet address only: no seed phrase, no private key, no KYC to scan</li> <li>P&amp;L, allocation, FIFO or average cost, local price alerts, hide balances</li> <li>Read-only DeFi / staking views when the address has them</li> </ul> <h2> How data is handled </h2> <p>Default storage is on-device SQLite. Cloud sync is optional and only after you sign in. Chain data is public, so scanning an address does not hide anything; it just means the app never touches your keys. It does not trade, swap, stake, send, or custody assets, and it is not financial advice.</p> <h2> Honest limits </h2> <ul> <li>Mobile only (Android and iOS); there is no web version of the tracker</li> <li>Balances come from third-party chain APIs, so coverage is incomplete and data can be delayed</li> <li>The app is closed source</li> </ul> <h2> Pricing </h2> <p>Free: manual holdings, one wallet scan, ads. Pro (billed by Google Play or the App Store) adds unlimited scans, auto-sync, ad-free tracking, and CSV tools. Guest mode lets you try it without an account.</p> <p>Links: <a href="https://getfoliospan.com/" rel="noopener noreferrer">getfoliospan.com</a> · <a href="https://play.google.com/store/apps/details?id=com.foliospan.app" rel="noopener noreferrer">Google Play</a> · <a href="https://apps.apple.com/app/id6817707925" rel="noopener noreferrer">App Store</a></p> <p>Feedback on missing chains or tokens is the most useful thing you can send me.</p> showdev privacy crypto mobile