When comparing GroupMe vs Keybase, the Slant community recommends Keybase for most people. In the question“What is the best team chat software?” Keybase is ranked 25th while GroupMe is ranked 49th. The most important reason people chose Keybase is:
Completely end-to-end encrypted.
Specs
Ranked in these QuestionsQuestion Ranking
Pros
Pro Reads receipts
GroupMe has a built in function to read receipts.
Pro Great web client
GroupMe has an excellent web client that can be used to send and receive messages and manage groups from the desktop.
Pro IFTTT Integration
Allows sending messages from web services via IFTTT.
Pro Integrated calendar
It's possible to add location and time with reminders directly in the GroupMe app.
Pro Makes it easy to silence 1 or all groups
GroupMe has settings that allow muting a single group or turn off all GroupMe notifications from within the app.
Pro Does not require everyone in the group to have a smartphone
GroupMe can set up a custom phone number which allows people without the App to send and receive messages. This makes it easy to add anyone to messaging.
Pro E2E encrypted
Completely end-to-end encrypted.
Pro Identity verification
Users can publish proofs of identity (PGP public key, Twitter, Facebook, etc).
Pro FOSS
Free (as in beer) and Open Source Software.
Pro Encrypted file sharing
Securely share files.
Pro Public encrypted filesystem
For sharing files publicly.
Pro 250GB of free team file storage
250GB of free storage for encrypted files in a team.
Pro Public teams
Teams can be public with open access or admin-approved access. Opt-in to list public teams.
Pro Private teams
Teams can be completely private (access granted via admin-approval only, not publicly listed).
Pro Encrypted Git
Encrypted private or team Git repositories with automatic commit signatures.
Pro Blockchain technology
Based on blockchain technology.
Pro Sigchain verification
View/verify the cryptographic signature history of any user.
Pro PGP/GPG support
Encrypt/decrypt any PGP message or file with minimal effort.
Pro Public key encryption
Supports public key encryption.
Pro Private encrypted filesystem
Securely store personal files that only you can access.
Pro Shared private encrypted filesystem
Share files securely and privately with other users, a group of users, or a team.
Pro 250GB of free private file storage
250GB of free storage for privately-encrypted files.
Pro Free static site hosting
Host a public static website for free. Sites are automatically viewable via keybase.pub if an index.html or index.md exist in your public files.
Pro Emoji reactions to limit excessive posts and notifications
Pro E2E encrypted team chat
Teams are E2E encrypted, unlike Slack and other services.
Cons
Con Drains battery fast
GroupMe, in order to have a constant connection which allows for notifications drains the battery of a device quickly, which is not ideal for a messaging app that one needs on time notifications from.