Telegram, Snapchat, and Skype cater to both business and consumer needs. Slack and Google Meet target business users only. Gamers are the primary users of the Discord communication app.
- Slack caters to business needs only.
- The Enterprise Grid plan offered by Slack can support up to 500,000 users. The company has not provided the maximum limit of its messaging groups (channels) for the remaining three plans (Free, Standard, and Plus). Slack did not verify the maximum limit of the free plan (8,462 users in a single channel) published by third-party media outlets in 2015.
- The free plan only allows users to make one-on-one video calls. The three paid plans (Standard, Plus, and Enterprise Grid) allow video calling with up to 15 participants.
- Specific features that cater to groups, teams, or communities include channels, screen sharing, and file sharing.
- A review published by PC Magazine gave Slack a score of 4.5/5.0 and stated that it "is an excellent and powerful team messaging app with a rich collection of settings and options." According to the reviewer, channels that have been created for business purposes typically feature the titles of projects, clients, or departments. She also noted that naming channels clearly and appropriately is important for helping team members understand where to go and for what purpose.
- A user called Rocky K gave Slack a score of 4.6/5.0 and claimed that "team communication is at an all-time high." Rocky stated that features such as channel threads and direct messages have changed how his team communicates. Instead of sending massive emails to various team members, the CEO will send only a single email that identifies the project outline and communicates his ideas via Slack channels.
- Telegram caters to both business and consumer needs.
- Up to 200,000 people can be added to a messaging group.
- Users can share an unlimited number of videos with members in their groups, but there is no group video calling feature.
- Specific features that cater to groups, teams, or communities include conversation tracing, file sharing, and message broadcasting to channel subscribers.
- A user called Csaba F gave Telegram a score of 5.0/5.0 and described it as "the most secure application for the company." Csaba stated that his company uses Telegram as it prioritizes security and safety. The app allows Csaba and his team to keep their messages secured as only group members can view them.
- A user called Niladri C gave Telegram a score of 5.0/5.0 and stated that it is "packed with features, but should be simplified." He uses the app mostly for its groups and channels features. Niladri uses the group feature for company project discussions and has subscribed to various channels to receive the latest technological news.
- Discord caters to consumer needs only.
- The maximum limit for group messaging is ten people.
- Users can also conduct group video calling with up to ten people.
- Specific features that cater to groups, teams, or communities include group chat/call and video/screen/audio sharing.
- A user called Avinash K gave Discord a score of 4.5/5.0 and described it is a "top-notch chat application for friends and colleagues." He uses the live share coding extension to collaborate with his colleagues on group projects. Avinash also creates and tests chatbots with the Discord community.
- A user called Sean G gave Discord a score of 4.5/5.0 and stated that the app allows him to "communicate with friends while playing online games." He named the group voice chat as his favorite feature on Discord. Sean noted that if two or more people speak at once, Discord will lower the voice of the second person onward when the first person is speaking.
- Snapchat caters to both business and consumer needs.
- The maximum limit for group messaging (Group Chat) is 31 people.
- Users can also conduct group video calling (Video Chat) with up to 15 people.
- Specific features that cater to groups, teams, or communities include Group Stories, and other group-enabled features such as Video Chat, Voice Calls, and Voice Notes.
- A user called Mariah K gave Snapchat a score of 4.0/5.0 and stated that it is "a great way to give your business extra exposure." The geofilter is her favorite feature as it allows her to promote events and their location. Mariah also noted that showing behind-the-scenes photos makes people feel involved.
- An unnamed user in a non-profit organization gave Snapchat a score of 4.5/5.0 and described it as a "fun, integrative platform." The user felt that the group chat function is easy to use. S/he also noted that Snapchat allows users to affirm that every member in the group has read all messages.
- Google Meet caters to business needs only.
- The maximum number of participants for the Basic, Business, and Enterprise plans are 100, 150, and 250 people respectively.
- The maximum limit is the same for both group messaging and video calling.
- Specific features that cater to groups, teams, or communities include meeting details sharing, screen/presentation sharing, and video meeting recording.
- A user called Sonja A gave Google Meet a score of 4.0/5.0 and described it as a "trusted product that is vital for cross-border business meetings." She stated that her company uses Google Meet for client demonstrations and meeting with staff in other locations. One of her favorite features is the meeting session recording feature.
- An unnamed user in the media production industry gave Google Meet a score of 4.0/5.0 and stated that it is "great for large-scale meetings." Google Meet allows the reviewer's global team to seamlessly and efficiently connect with each other. The service allows his/her team to follow-up with each other quickly and easily.
- Skype caters to both business and consumer needs.
- The maximum limit for group instant messaging is 600 participants.
- Users can also conduct group video calling with up to 50 people.
- Specific features that cater to groups, teams, or communities include screen/presentation sharing, file sharing, and content sharing.
- A user called Dima S gave Skype a score of 5.0/5.0 and stated that he uses it "for several purposes." He uses the service to conduct distance lectures with other universities. Dima regularly uses features such as file sharing, screen sharing, and online chat to interact with participants.
- A user called Maria P gave Skype a score of 4.5/5.0 and described it as the "perfect tool for videoconferences, easy and effective." She regularly uses features such as group calling and screen sharing. Using Skype has allowed her to communicate with friends and colleagues from any parts of the world.