Airmail
Airmail is a powerful mail client iPhone, iPad and Mac. Designed for the latest generation iOS, it supports 3D Touch, fast document previewing, high quality PDF creation, and native integration with other apps and services.
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Gmail
The official Gmail app brings the best of Gmail to your iPhone or iPad with real-time notifications, multiple account support and search that works across all your mail.
Send scanned PDF from Adobe Scan
How to send and share scanned PDF documents from Adobe Scan on iPhone iPad?
Create QR code with logo on iPhone
How to make a QR code with logo in the middle or at the background on iPhone for free?
Create QR codes on iPhone iPad
Easily create a QR code on iPhone and iPad using EFQRCode free QR code generator app.
Connect to FTP server from iPhone
Connect to FTP server from iPhone, download files from server to iPhone, upload files from iPhone to server through FTP using FileExplorer app.