Star Apps

Passwords can be easy to forget, especially if you have more than a few (which you should). 1Password is an an app for managing web logins and sensitive information. It has a user-friendly interface and is available on your desktop, phone, or even Apple Watch. 1Password generates secure passwords on your behalf and enters them on websites using its free Safari and Google Chrome extensions.
Free, but there’s an optional upgrade with more features for a fee iOS,  Android.

AdobeSign (formerly Adobe EchoSign) makes it faster and easier than ever to securely sign and manage documents across devices. AdobeSign lets you e-sign documents and forms, and send them to others for signatures, speeding up the process of signing
Available on: iOS and Android
Price: 14 day free trial

Hopper’s data-science team has collected a huge historical archive of trillions of flight prices, which it shares via predictions that the Hopper team claims consistently perform with 95% accuracy. Hopper gives bargain-hunters an advantage again: analysing prices and trying to predict when they will be cheapest.
iOS / Android