When comparing SharedBox vs Drag App, the Slant community recommends Drag App for most people. In the question“What is the best shared inbox?” Drag App is ranked 3rd while SharedBox is ranked 10th. The most important reason people chose Drag App is:
For teams working in G Suite, this can be very handy. No need to switch between Gmail and an external Shared Inbox.
Specs
Ranked in these QuestionsQuestion Ranking
Pros
Pro Supports IMAP, Yahoo, Outlook and Gmail
SharedBox gives users a free @in.sharedbox.app email that mails can be forwarded to OR you can bring your own custom email
Pro Works directly in Slack
SharedBox forwards incoming emails to chosen channel in Slack and the emails can directly be replied in Slack as well. For teams that already use Slack for communication, it makes it easy to collaborate on emails within a product their conversation already happen in.
Pro Inside Gmail
For teams working in G Suite, this can be very handy. No need to switch between Gmail and an external Shared Inbox.
Pro Shared Kanban boards
Visual UI turning Gmail into kanban boards where you can drag and drop emails across.
Pro Real time Emails
The only app inside Gmail I found that has real-time shared inbox, instead of requiring users to "move" Emails into a shared space
Pro Tasks in inbox
Let's you add tasks in Shared Inboxes that are not necessarily emails. Great for task management.
Pro Easy delegation emails with assign feature
Pro Easy drag and drog email through boards
Cons
Con No mobile solution yet
They are launching an add-on soon but don't know when are the plans to develop a standalone mobile app.