Update README

README.md

@@ -1,12 +1,41 @@
+<div align="center">
+
+<img src="./docs/assets/satsprice-logo.png" alt="SatsPrice Logo" title="SatsPrice logo" width="256"/>
+
 # SatsPrice
 
-This app fetches the price of Bitcoin relative to common ISO currencies from multiple sources, and converts inputted amounts between Sats, BTC, and the selected ISO currency.
+This app fetches the price of Bitcoin relative to common fiat currencies from multiple sources, and converts inputted amounts between Sats, BTC, and the selected fiat currency.
+
+[![GitHub downloads](https://img.shields.io/github/downloads/tyiu/sats-price/total?label=Downloads&labelColor=27303D&color=0D1117&logo=github&logoColor=FFFFFF&style=flat)](https://github.com/tyiu/sats-price/releases)
+
+[![Last Version](https://img.shields.io/github/release/tyiu/sats-price?maxAge=3600&label=Stable&labelColor=06599d&color=043b69)](https://github.com/tyiu/sats-price)
+[![License: GPL-3.0](https://img.shields.io/github/license/tyiu/sats-price?labelColor=27303D&color=0877d2)](/LICENSE)
+
+## Download and Install
+
+[<img src="./docs/assets/download_on_apple.svg"
+alt="Download on the Apple App Store"
+height="70">](https://apps.apple.com/app/satsprice/id6478230475)
+[<img src="./docs/assets/download_on_zapstore.svg"
+alt="Get it on Zap Store"
+height="70">](https://github.com/zapstore/zapstore/releases)
+[<img src="./docs/assets/download_on_obtainium.png"
+alt="Get it on Obtaininum"
+height="70">](https://github.com/ImranR98/Obtainium)
+[<img src="./docs/assets/download_on_github.svg" alt="Get it on GitHub"
+height="70">](https://github.com/tyiu/sats-price/releases)
+
+## Supported Platforms
+
+iOS 16.0+ • macOS 13.0+ • Android 10.0+
+
+</div>
+
+## Building
 
 This is a free [Skip](https://skip.tools) dual-platform app project.
 It builds a native app for both iOS and Android.
 
-## Building
-
 This project is both a stand-alone Swift Package Manager module,
 as well as an Xcode project that builds and transpiles the project
 into a Kotlin Gradle project for Android using the Skip plugin.
@@ -48,3 +77,10 @@ Android Studio's logcat tab for the transpiled Kotlin app.
 This project depends on [Skip](https://skip.tools) to build as a multi-platform app.
 
 The [Bitcoin Calculator](https://www.flaticon.com/free-icons/bitcoin-calculator) icon was created by Icon home and licensed as free for personal and commercial use with attribution.
+
+The following free APIs are used:
+- Coinbase
+  - [Get Exchange Rates](https://docs.cdp.coinbase.com/coinbase-app/docs/api-exchange-rates#get-exchange-rates)
+  - [Get Spot Price](https://docs.cdp.coinbase.com/coinbase-app/docs/api-prices#get-spot-price)
+- CoinGecko
+  - [Coin Price by IDs](https://docs.coingecko.com/reference/simple-price)