Overview
Server Version Notice
All SDK versions support both V1 and V2 servers.
For new integrations, we recommend using the V2 server (CrimsonLion). The V1 server (NyanCat) will be deprecated on June 30, 2026.
See our V1 to V2 Migration Guide for instructions on configuring your SDK to use V2.
On this page, you can easily install the Vitals™ SDK and access full-featured sample code to kickstart your development process. We provide a wide range of frameworks and platforms as follows:
Frameworks or LanguagesFrameworks or Languages | PlatformsPlatforms | Latest VersionLatest Version |
|---|---|---|
 JavaScript or TypeScript | Web | 2.2.0 |
 React | Web | 3.2.0 |
 Vue | Web | 3.2.0 |
 Flutter | iOS, Android | 2.4.1 |
| ReactNative | iOS, Android | 4.5.1 |
 Kotlin or Java | Android | 1.5.1 |
 Swift | iOS | 1.3.1 |
For a seamless integration of our Vitals™ SDK into your products, please adhere to the instructions provided for the specific frameworks and versions.
TIP
You can follow the Quick Start Guide available on the SDK Documentation page to initiate your Vitals™ integration effectively. Afterwards, please also check out the Software Development Guide for the necessary steps in obtaining reliable measurements results from our SDKs.