Check Point Capsule Docs is a solution for protecting and sharing documents securely.
Use Capsule Docs to ensure documents are encrypted and secure wherever they are stored. Share with anyone using any sharing and delivery mechanism.
For more details check out https://capsule.checkpoint.com/

The iPhone and iPad applications provide a secure environment for protected documents.
Documents can be delivered to your device in any way: email, cloud file sharing, etc.

Features:
• Open the application from the document wherever it is stored on your device
• Passcode protection for additional security within the application
• Offline access to documents even when there is no Internet connectivity (after first use)
• Edit your documents and share them securely.

That’s it. That Simple.