21 Pulse is a free Bitcoin-only iOS app for tracking live Bitcoin prices, finding Bitcoin payment locations with SatMap, learning with a 42-question Bitcoin quiz, and viewing on-chain data.
Last updated: June 29, 2026
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429 Bitcoin companies tracked · 23 custodians · 33 Bitcoin ETFs · 21 lenders · 22 exchanges · $116B+ tracked ETF AUM · Rates reviewed regularly; see each listing's update date.