> ## Knowledge Base Index
> Fetch the complete knowledge base index at: https://help.proplanum.com/sitemap.xml
> Use this file to discover available pages before exploring further.
> Pure-Markdown content can be obtained by appending a '.md' suffix to the content URLs listed in the sitemap (without the trailing slash).

# What phones are compatible with Proplanum?

The Proplanum mobile app runs on smartphones with **iOS** (iPhone) and **Android**. To use it without problems, your phone should have an up-to-date version of its operating system.

# iPhone (iOS)

The Proplanum app runs on iPhones with a current version of iOS. You will find the required system version on the app's page in the **App Store**.

# Android

The app is also available for Android phones. Here too you need a current version of the system — you will find the details on the app's page in **Google Play**.

|| Tip: How to download and install the app is described in [Downloading the mobile app](https://help.proplanum.com/en/article/downloading-the-mobile-app-1jbvdvy/).

# Compatibility updates

The list of supported devices is updated regularly, and phone system updates can affect compatibility. It is therefore worth keeping your device's software on the latest version.

||| Caution: If the app will not install or start, first update your phone's system to the latest available version.