IM+ vs Slack
| IM+ | Slack | |
|---|---|---|
| Free plan | No | Yes |
| Free trial | No | No |
| Paid from | $8/mo | $8.75/mo |
| Open source | No | No |
| Platforms | Android, iOS, macOS, Windows | Android, iOS, Linux, macOS, Web, Windows |
| Paid from | $8/user/mo | $7.25/user/mo |
| Integrations | WhatsApp, Messenger, Telegram, Skype, Zoom, Google Hangouts, Gmail, Slack, Facebook, Facebook Pages, Instagram, Twitter, Outlook, SnapMap, WeChat, LinkedIn, HipChat, ChatWork | Salesforce, Jira, Google Drive, ChatGPT, Asana, Miro, Notion, Zoom, GitHub, GitLab, PagerDuty, Box, Dropbox, Zendesk, Freshdesk, HubSpot |
| Supported platforms | Windows, macOS, iOS, Android | web, windows, macos, linux, ios, android, api |
| Free plan | — | Yes |
| Channels | — | Yes |
| Guest access | — | Yes |
| Message history | — | limited |
Both are listed in Best Team Chat Apps. On Specifiction, Slack scores higher on our published basis.