Real-time Bitcoin network data on your phone and Apple Watch.
Fee estimates, mempool gauge, Bitcoin news, curated education resources, home-screen widgets,
and watch complications. Connect your own node or use SegWhat Cloud — completely free.
SegWhat surfaces the Bitcoin metrics that matter — beautifully formatted and
always up to date.
Connect Your Own Node
Point SegWhat at your Bitcoin Knots or Core node over your local network.
Direct JSON-RPC — no middleman, no subscription, free forever.
Free
SegWhat Cloud
Don't have a node? No problem. SegWhat Cloud delivers the same real-time data with
zero setup — completely free. We're Bitcoiners just like you. If you
find SegWhat useful, consider supporting us with a small donation to help keep the
servers running.
Free
Fee Estimates
Know the right fee before you send. Live fee estimates for next block, 30 minutes, 1 hour, and 4
hours
— color-coded green, yellow, or red so you can tell at a glance if it's a good time to transact.
Mempool Gauge
A live gauge that fills up as the mempool grows — showing transaction count, size in MB, and
percentage full. Color shifts from purple to yellow to red as congestion builds.
Bitcoin News
Stay informed with a built-in Bitcoin news feed. Browse the latest headlines, tap to read the
full article, and page through stories — all without leaving the app.
Learn
Go down the rabbit hole. A curated grid of the best Bitcoin educators, podcasts, and resources
— from Simply Bitcoin and Hope.com to Jeff Booth, Natalie Brunell, Lynn Alden, and more.
Bitcoin Price in 7 Currencies
Live BTC price on your dashboard, home screen widgets, lock screen, and Apple Watch
complications. Choose from USD, EUR, GBP, CAD, AUD, JPY, or CHF — updated every 5 minutes.
Halving Countdown
Track the next halving with a live progress ring, blocks remaining, estimated time, current and
next subsidy. Know exactly where you are in the cycle.
Supply Tracker
Watch the 21 million cap approach in real time. See total BTC issued, remaining supply, epoch
minting progress, and subsidy per block.
Apple Watch & Wear OS
Block height, BTC price, halving countdown, and supply counter on your wrist. Complications
and widgets show the data you care about right on your watch face.
Home & Lock Screen Widgets
Glance at BTC price, supply counter, halving progress, and block height right from your home
screen
or lock screen — on both iOS and Android.
4 Beautiful Themes
Dark, Light, Solarized Dark, and Solarized Light — SegWhat looks great in any
environment. Switch themes instantly from Settings.
New
Tap the Price for Charts
A clean BTC chart at 24-hour, 7-day, 30-day, and 1-year ranges. Rotate your phone for
a full landscape view.
Live charts, in your pocket
Tap the price anywhere to open the chart
24H, 7D, 30D, and 1Y ranges in one tap
USD, EUR, GBP, CAD, AUD, JPY, and CHF
Rotate to landscape for a full-width view
Same chart, same data on iOS and Android
Four Themes To Choose From
SegWhat looks great in any light. Choose from four carefully curated themes.
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Dark
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Light
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Solarized Dark
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Solarized Light
Curated Bitcoin Education
SegWhat isn't just data — it's a guide. The app includes a hand-picked library
of books, videos, websites, podcasts, and social media voices — continuously curated so you can go
from curious to confident without wading through the noise.
Read
Foundational books and web resources covering monetary history, Bitcoin economics, and
self-custody — the essentials, chosen so you don't have to guess where to start.
Watch
Video channels that explain Bitcoin from first principles — how the network works, why it
matters, and how to use it safely, in plain language.
Listen
Stay up to date with the latest Bitcoin podcasts — daily news, long-form interviews, and
deep dives into mining, markets, and the people building on Bitcoin.
Follow
Signal-over-noise voices on X and Nostr — developers, educators, and builders worth
following, curated so your feed teaches you something.
Every screen designed to give you the data you need at a glance.
⏳Halving & Supply
Halving, Epoch & Supply
Live halving countdown, epoch mining progress, and total supply — all on one scrollable
dashboard.
⚡Fees & Mempool
Fee Estimates & Mempool
Color-coded fee rates for next block through 4 hours, plus a live mempool gauge.
📰News
Bitcoin News
A built-in news feed with the latest Bitcoin headlines. Tap to read, swipe to browse.
📚Learn
Learn
Curated Bitcoin education — podcasts, educators, and resources to go deeper down the rabbit hole.
Two ways to connect
Use your own Bitcoin node or let us handle the infrastructure.
Free Forever
Your Node
Direct JSON-RPC to your node
Fee estimates & mempool gauge
Peer count, chain size, IBD status
Bitcoin news & education tabs
No account required
Zero data leaves your network
Free
SegWhat Cloud
No node setup needed
Data refreshed every 5 minutes
Fee estimates & mempool gauge
Bitcoin news & education tabs
Donations welcome
Built by Bitcoiners, for Bitcoiners
Bitcoin Everywhere You Look
Complications, widgets, and the full app — block height is never more than a glance
away.
⌚Complication
Watch Face Complications
Block height, halving ring, epoch supply, total supply — four complication types in every watch
face size.
▣Widget
Home Screen Widgets
Small and medium widgets show the latest price and blockchain data right on your home screen.
🔒Lock Screen
Lock Screen Widgets
Circular, rectangular, and inline lock screen widgets — check the block height, price, halving
supply and other data without unlocking.
Free for Everyone
SegWhat is completely free — whether you connect your own node or use SegWhat
Cloud.
We're Bitcoiners building tools for the community. If you find SegWhat useful, please consider
supporting our work with a small donation. Every contribution helps us keep the servers running,
ship new features, and stay independent.
Use Your Own Node
Free
forever
Fee estimates & mempool gauge
Bitcoin news & Learn tab
All widgets & complications
All 4 themes
Direct node connection
Free
SegWhat Cloud
Free
donations welcome
Everything in Own Node
No hardware required
Data refreshed every 5 min
Tip or subscribe to support us
100% optional — app is fully free
Get SegWhat
Available on iOS and Android.*
About SegWhat
SegWhat is a Bitcoin mining and technology solutions company, bringing years
of hands-on experience across the Bitcoin and software engineering space to everything we build —
from mining operations to apps like SegWhat.
We also offer consulting for Bitcoin self-custody, mining strategies, software
engineering, and other technology solutions. Get
in touch to put our experience to work for you.
