Yes, 21 Pulse is completely free to download and use on iOS.

Does 21 Pulse support altcoins?

No. 21 Pulse is Bitcoin-only. No altcoins, no noise, just Bitcoin.

Is 21 Pulse available for Android?

21 Pulse is currently available for iOS only. Android version is planned for September/October 2026.

SatMap shows you Bitcoin-accepting businesses near your location. Find restaurants, shops and services that accept Bitcoin and Lightning payments.

Bitcoin only · iOS app · free

The rhythm of Bitcoin.

Track the market, watch the network, spend your sats. One app, one coin, zero noise.

Download on theApp StoreAndroid version in development

Altcoins
Tracking
Account
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21 Pulse – Home · live price · two modes

FREE ON iOS

Bitcoin price

—

Last 7 days

Block height—newest block ● NEW BLOCK

Fees—sat/vB · next block

Sats per $1—"Moscow time"

Next halving—blocks left · ≈ —

Live from mempool.spaceNot financial advice

Inside the app

Three screens. The whole pulse.

Live price, a map of places that take sats, and on-chain data — without a single altcoin in sight.

21 Pulse – Lightning · SatMap · find places that take sats — Lightning · SatMap · find places that take sats

21 Pulse – Market · live chart · Fear & Greed — Market · live chart · Fear & Greed

Everything you need

The full Bitcoin toolkit.

PRICE

Live price & charts

Real-time Bitcoin price in USD & EUR. Interactive charts from 1H to all-time. Fear & Greed index.

MAP

Lightning & SatMap

Find Bitcoin-accepting businesses near you. Best Lightning wallets and POS solutions for merchants.

LEARN

Learn Bitcoin

6 in-depth chapters, 24 FAQ questions, curated videos and books in English, German & Spanish.

BUY

Buy Bitcoin

Curated KYC and no-KYC exchanges: Relai, 21 Bitcoin, Strike, Peach, Bisq & more.

STACK

Portfolio tracker

Track your stack, DCA plans and performance. All data stays private on your device.

NEWS

Bitcoin news

Filtered Bitcoin-only news in English, German and Spanish. Events calendar and conference tracker.

Privacy by design

Your data stays on your device.

No server, no database. All your data is stored locally on your iPhone. We have no way to know who you are, because we never asked.

Analytics
Tracking
Account
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This website loads no trackers and no external fonts. The live price above is fetched by your browser directly from mempool.space.

Two modes, one app

For every Bitcoiner.

Switch any time inside the app.

Just getting started?

Learn why Bitcoin matters, how to buy safely, and how to take self-custody of your sats.

LearnBuyPrice

Quiz

Test your Bitcoin knowledge

42 questions · beginner & advanced · EN / DE / ES

Start the quiz → PDF

Feature brochure

8-page PDF with all features, screenshots and privacy principles — perfect for friends who are new to Bitcoin. English · 3.8 MB