When comparing Bridge - mirror notifications (notification sync) vs Join by joaoapps, the Slant community recommends Join by joaoapps for most people. In the question“What are the best alternatives to Pushbullet?” Join by joaoapps is ranked 3rd while Bridge - mirror notifications (notification sync) is ranked 8th. The most important reason people chose Join by joaoapps is:
Share anything (text/clipboard, images, links, screenshots, etc.) and see everything you have recently shared from/between any of your devices.
Specs
Ranked in these QuestionsQuestion Ranking
Pros
Pro Privacy control
Fine tune privacy by hiding the content of any app when mirrored to your other devices.
Pro Clipboard sharing
You're clipboard is shared between your devices
Pro Has fine grained control of which apps are allowed to mirror
Pro Much faster in mirroring between devices than competitors
Pro Battery charged notification
You can get notified on your other devices when a device reaches a certain battery charge or is fully charged.
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.
Pro Encryption
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.
Cons
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).