When comparing Gitter.im vs GroupMe, the Slant community recommends Gitter.im for most people. In the question“What is the best team chat software?” Gitter.im is ranked 11th while GroupMe is ranked 49th. The most important reason people chose Gitter.im is:
Integrations for Trello, Jenkins, Travis CI, Heroku, Sentry, BitBucket, HuBoard, Logentries, Pagerduty & Sprintly are available.
Specs
Ranked in these QuestionsQuestion Ranking
Pros
Pro Has many developer-friendly integrations
Integrations for Trello, Jenkins, Travis CI, Heroku, Sentry, BitBucket, HuBoard, Logentries, Pagerduty & Sprintly are available.
Pro Unlimited public and private rooms for free
Pro Has full Markdown support
Pro Has an IRC bridge
Pro Has apps for OSX, iOS and Chrome
Pro Has a Windows 8 app
Unofficial app for Gitter.im is currently available.
Pro Open source
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.
Cons
Con Centralized
Con Apps / UX limited in functionality and can be buggy
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.