Join allows you to easily do stuff remotely on your Android and PC devices like SMS, notifications, clipboard, etc.
Ranked in these QuestionsQuestion Ranking
Pro Share anything between devices
Share anything (text/clipboard, images, links, screenshots, etc.) and see everything you have recently shared from/between any of your devices.
Pro Chrome extension
Has a solid Chrome extension that has never lest me down. Easy to setup, easy to use, low on resources and VERY fast.
Pro Extremely reliable pushes on multiple devices (notifications, SMS, clipboard, and more)
Supports all of your devices and you can push anywhere, even to Mac. Text right from your computer. Receive mobile notifications on your desktop. Nice UI/UX. Talented, well-known, and trustworthy developer.
Pro Ad free and unlimited is a one time purchase as opposed to PushBullet's recurring membership fee.
I believe that Join is $4.99 for the pro account, but it used to be donation based starting at $0.99. When I go to the options for upgrade in the app, it still shows a donation based payment option. that could be becasue I am alegacy user or maybe the $4.99 is just a recommended amount.
Pro Locate your device
Another nice feature is the ability to locate all of your Join connected devices remotely (similar to Lookout or Google's Find My Device).
Pro Integrates with Tasker
Integrates with Tasker for all sorts of crazy cool actions and options.
Ability to encrypt your pushes between devices.
Pro Push files and they are stored in Google Drive
Any files you push are stored in your own Google Drive so you always have access to them
Pro Supports ringing the phone
Misplaced your phone somewhere? Have Join ring your phone at it's loudest volume and find it.
Pro Universal Copy & Paste
Copy to clipboard on one device and paste it on another.
Con Complex settings
Con No Firefox addons
Developer is unable to create addons because of restriction in Firefox API.
Con No iOS version, yet
According to the developer's Google Plus page, an iOS version is being developed. But nothing as of yet (December 2017).