Where Gmail fits
Use it when you want a mobile inbox for a Google account or other supported mail accounts.
Check before you choose
Check which account receives a reply when several addresses are configured in the same app.
Find the right edition
Start with the destination for your device or the publisher's website. Use the current requirements and terms there to confirm the edition you need.
Compare the workflow
Match the app to your trip, delivery or account task. Ride services depend on local coverage, rail tools on supported routes, and government account features on identity checks. Keep travel documents available offline and review the permissions each app needs.