BTC Harvester is a free iPhone application developed by JB MOBILE SP Z O O, falling under the Lifestyle category. The program enables users to explore private keys and corresponding BTC addresses to identify available bitcoins. With over 2^256 key possibilities, users can conveniently navigate through keys via a slider and view them in decimal or hexadecimal formats. Each key entry includes private key WIF format, compressed and uncompressed public addresses. Public address details encompass received BTC amounts, pending transactions, and current available BTC.

The application retains user browsing history for seamless continuation and offers filtering options based on total, pending, or available BTC amounts.