# 21 Pulse — Dein ASIC ROI Calculator > Bitcoin-only companion for price tracking, merchant discovery, education, and portfolio management. (iPhone/iPad app by Heiko Mattern.) - Source: https://appshunter.io/ios/app/21-pulse/id6757953169 (this page in markdown: same URL + `.md`) - Developer: [Heiko Mattern](https://appshunter.io/developer/1869902214) - Category: Finance, Utilities - Price: Free - Rating: 4.00/5 from 1 App Store ratings · 1 written reviews indexed - Age rating: 17+ - Requires: iOS 26.0 · 6 MB - Languages: English, German, Spanish - Released: 2026-03-20 - Data updated: 2026-07-09 - Monetization: free - User reviews in markdown: https://appshunter.io/ios/app/21-pulse/id6757953169/reviews.md ## What is 21 Pulse? 21 Pulse – The rhythm of Bitcoin. Your Bitcoin-only companion for enthusiasts and everyday users. No altcoins, no noise – just everything you need around Bitcoin. FEATURES: • Real-time Bitcoin price (USD & EUR) with interactive charts (1H to All-Time) • Fear & Greed Index & Bitcoin on-chain stats • Lightning SatMap: Find merchants that accept Bitcoin & Lightning near you – with 60+ category icons • Lightning wallets guide & POS solutions for merchants • Bitcoin news in English, German & Spanish • Bitcoin events calendar & conference tracker • Learn Bitcoin: 6 chapters, 24 FAQs, curated videos & books • Portfolio tracker with DCA plans & performance analysis • Tools: Block & Halving, Converter, DCA Calculator, Mining ROI • Home Screen Widget: Live price & 24h change • Beginner & Advanced mode – for every Bitcoiner • Clean design with customizable accent color (light/dark/system) 21 Pulse is built for people who value sovereignty, simplicity and focus. No account required. No tracking. Your data stays on your device. Bitcoin only. Always. ## Key features - Real-time Bitcoin price and charts - Fear & Greed Index and on-chain stats - Bitcoin merchant locator (Lightning SatMap) - Educational resources on Bitcoin - Portfolio tracker with DCA plans - Home screen widget for live price ## Recent user reviews (1 of 1) All indexed reviews: https://appshunter.io/ios/app/21-pulse/id6757953169/reviews.md ### 4/5 — Education *2026-04-02* The movies attached to this app are some of the most educational I have seen on the history and culture of the monetary system that they world is currently using and has been forced to use to live in the past and up till 2009 and thankfully we now can develop a society based on Bitcoin. Bitcoin will become the most wealth preserving asset known to human kind next to food with water and air being at the top of the list. Get the app and prove me wrong n joy ## Frequently asked questions about 21 Pulse ### What is 21 Pulse? 21 Pulse is a Bitcoin-only companion app designed for enthusiasts and everyday users. It offers real-time price tracking, market indicators, merchant discovery, educational content, and portfolio management tools, all focused exclusively on Bitcoin. ### Does 21 Pulse support altcoins? No, 21 Pulse is strictly Bitcoin-only. It does not track or provide information on any altcoins, focusing solely on Bitcoin to reduce noise and provide a focused experience for its users. ### How does 21 Pulse help find Bitcoin merchants? The Lightning SatMap feature in 21 Pulse allows you to find merchants that accept Bitcoin and Lightning payments near your location. It includes over 60 category icons to help you discover a wide range of businesses. ### Can I track my Bitcoin investments with 21 Pulse? Yes, 21 Pulse includes a portfolio tracker that allows you to monitor your Bitcoin holdings. It supports DCA (Dollar-Cost Averaging) plans and provides performance analysis for your investments. ### Is 21 Pulse available on multiple devices? Yes, 21 Pulse is available for iPhone and iPad devices, allowing users to manage their Bitcoin information across different Apple platforms. ### How often is 21 Pulse updated? The latest version of 21 Pulse is 2.2.0, which was last updated on May 21, 2026. This indicates a relatively recent update, suggesting ongoing development and maintenance. ### What are the security features of 21 Pulse? 21 Pulse prioritizes user sovereignty and privacy. It requires no account creation and does not track users, ensuring that your data stays on your device. ### Does 21 Pulse have ads? No, 21 Pulse does not contain advertisements. The app is free to use and does not display any ads to its users. ## Version history (last 5 releases) ### 2.2.0 — 2026-05-21 • We have added Spanish and German. • Discover upcoming Bitcoin events with the new Events feed, and import your own calendar entries. • Tap the 21 Pulse logo from any tab to jump straight into the menu. • Refreshed typography gives 21 Pulse a sharper, more distinct look. • Compare Bitcoin to global assets with new asset logos in the "Bitcoin vs. World Assets" view. • SatMap now opens centered on your region for faster local lookups. • News articles and in-app web pages show a clear loading indicator while opening. • Mining ROI tooltips now appear right under the info icon they describe, in a more readable style. • Fixed the SatMap and news article sheets sometimes opening empty in fullscreen. • Fixed the appearance switcher (Light/Dark/System) sometimes ignoring the first tap. • Smoother dropdown animations across info cards, and the cursor now lands at the end of numeric fields for quicker edits. ### 2.1 — 2026-03-20 Version 2.1 – Major Update! Lightning Tab (NEW) Full Lightning section with SatMap, wallet recommendations and POS solutions for merchants. SatMap Upgraded 60+ category icons, improved search, cluster view and place detail sheet. News & Events Bitcoin news in English, German & Spanish. Events calendar with conference tracker. Home Screen Widget Live Bitcoin price & 24h change – always on your home screen. Beginner & Advanced Mode Two modes for every Bitcoiner. Improvements Better performance, bug fixes and UI improvements throughout the app. ### 2.0 — 2026-02-15 Version 2.0 brings major improvements and exciting new features: • SatMap – Discover Bitcoin & Lightning accepting locations worldwide with beautiful, category-specific icons (cafés, tattoo studios, hotels, ATMs and many more) • Live data integration: real-time Market Cap, Circulating Supply and Network Hashrate directly from trusted sources • Completely redesigned and more intuitive user interface • Improved news section with better filtering for Bitcoin-only content • Numerous bug fixes and performance optimizations Enjoy the updated Bitcoin-only experience! ### 1.2 — 2026-01-29 add Bitcoin Insights, BTC/USD and BTC/EUR Charts, add Events Tab, better UX, add new themes ### 1.1 — 2026-01-28 new in 1.1: Dark/Light Mode, UX improved, Setup section added, 21 Pulse Logo added, How it works section added, all in English now --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-07-09.*