Google Apps provides some great collaboration tools which are accessible from anywhere, including your phone, iPad or tablet.
Support for the usage of the Apps your devices is not covered by our support plans.
Google Apps for Android
To use the native Google Apps mail, contacts, and calendar apps on your Android, you need to sign in to your Google Apps account. Instructions below are for users with a Nexus or Google Play edition device running Android 4.2 or higher. If you're using a different device, your setup instructions may vary. You only have to do this once.
Read the how-to-guide here for Android
Android Apps
Gmail for Android
Drive for Android
Docs for Android
Calendar for Android
Google Apps for iPhone / iPad
Using Native iOS apps
Set up your iPhone, iPad, or iPod Touch with Google Sync to access your Google Apps mail, contacts and calendars using Apple's native applications (requires that your Google Apps administrator enables Google Sync for your domain).
Gmail app for iOS
Alternately access Gmail using the Gmail app for iOS. This app gives you enhanced Gmail functionality on your iPhone, iPad, or iPod Touch. It's available for free from Apple's App Store.
Read the how-to-guide here for iOS
Apple (iOS) Apps
It should always work for all platform apps specially for iPhone apps. https://www.appaustic.com/iphone-app-development