| Core Identity |
| Developer | Slack Technologies, Inc. | Microsoft Corporation | Rocket.Chat Technologies Corp. | Mattermost, Inc. | Google | Zoom Communications, Inc. | Notion Labs, Incorporated | Discord Inc. | CAKE.com |
| Category | Business | Business | Productivity | Business | Business | Business | Productivity | Social Networking | Business |
| Platform | Android, iOS | iOS, Android | iOS, Android | iOS, Android | Android, iOS | iOS, Android | Android, iOS | iOS, Android | Android, iOS |
| Store Metrics |
| Rating | 4.2 / 5 | 4.8 / 5 | 0.0 / 5 | 4.8 / 5 | 4.6 / 5 | 4.7 / 5 | 4.8 / 5 | 4.7 / 5 | 4.7 / 5 |
| Ratings Count | 340 | 3,356,480 | 0 | 5,455 | 300,533 | 3,146,168 | 82,804 | 3,418,501 | 1,311 |
| Price | Free | Free | Free | Free | Free | Free | Free | Free | Free |
| Release Date | Aug 7, 2017 | Nov 2, 2016 | Mar 9, 2016 | Jul 10, 2017 | Feb 28, 2018 | Aug 15, 2012 | Sep 14, 2017 | May 21, 2015 | Oct 19, 2020 |
| Last Updated | May 4, 2026 | May 7, 2026 | Mar 13, 2026 | Apr 16, 2026 | May 4, 2026 | Apr 4, 2026 | May 5, 2026 | Apr 27, 2026 | Apr 1, 2026 |
| Sentiment & Reviews |
| Sentiment | mixed | - | terrible | mixed | mixed | positive | negative | negative | - |
| Score | 55/100 | - | 20/100 | 42/100 | 45/100 | 68/100 | 35/100 | 35/100 | - |
| Praises | - Organized channel structures and thread management keep team communication efficient for high-velocity work environments
| - | - The core chat functionality provides a functional communication alternative to more expensive industry standard messaging platforms
| - Self-Hosting & Open Source
| - Direct communication via email addresses simplifies connectivity without requiring phone numbers or iCloud accounts
| - Educational & Professional Utility
- Audio and Video Clarity
| - Relational database structure provides powerful organization for personal and professional knowledge management
| - Community-driven social interaction provides a reliable space for connecting with friends and hobbyists
| - |
| Complaints | - Unreliable notification delivery causes users to miss urgent messages and critical team meeting invites
| - | - Frequent application crashes on launch prevent users from accessing critical work communication channels on desktop
| - App Stability and Crashes
| - Post-update connectivity errors prevent users from loading messages or accessing their chat history
| - Background Multitasking Issues
- Hardware Compatibility
| - Frequent app crashes and UI freezing during text editing sessions on mobile devices
| - Frequent application crashes and freezing behavior post-update disrupt core communication and voice chat functionality
| - |
| Requests | - Customizable notification ringtones would help users distinguish between urgent work alerts and general messages
| - | - Native support for modern hardware architectures to improve performance and eliminate lag during daily usage
| - | - Integrated voice and video calling features are requested to restore previous communication capabilities
| - | - Toggle switch to disable or hide AI features from the primary interface
| - Simplified account recovery and login processes to reduce reliance on phone number verification
| - |
| Strategic Intel |
| Strengths | - Channel-based organization drives daily active habit
- 2,600+ app integrations create high switching costs
- Slack Connect network effects scale seat count
| - Deep integration with Microsoft 365 creates high switching costs
- Enterprise-grade security compliance sustains large-scale adoption
- Global infrastructure supports massive user scalability
| - BYOS architecture enables B2B distribution into air-gapped government sectors
- Federated communication protocol allows cross-agency coalition building
- Open-source MIT license lowers entry barrier for large-scale enterprise adoption
| - Strong brand reputation in high-security sectors
- Robust self-hosting capabilities
- Clear focus on data sovereignty
| - Native Workspace integration creates high switching costs for existing Google users
- Gemini AI summarization embeds intelligence directly into the document lifecycle
- Cloud-native security architecture simplifies enterprise compliance requirements
| - AI Companion bundled at no extra cost
- Superior external collaboration UX (no tenant switching)
- High-quality AV performance on unstable networks
| - Relational database engine enables complex knowledge management systems
- Template library lowers barrier to entry for new users
| - Persistent server-based community structure drives high switching costs
- Real-time presence triggers increase DAU/MAU ratio
| - |
| Weaknesses | - Unreliable mobile notification delivery
- Complex multi-workspace navigation
- Huddles audio routing bugs
| - High-volume notification culture drives user fatigue
- Feature bloat increases complexity for non-desk workers
- 60-minute meeting limit on free tier restricts utility
| - Frequent desktop launch crashes drive high churn among power users
- Desktop update cadence lags significantly behind web and mobile clients
- 0.7★ Android-iOS rating gap indicates inconsistent cross-platform quality
| - Poor mobile app stability
- Recurring notification bugs
- Sync issues
| - Post-update connectivity errors prevent message loading
- Threaded conversation layout lacks user-controlled toggles
- High CPU usage on iOS causes hardware overheating
| - Critical background multitasking bugs on Android 16
- Document portability lags behind Microsoft Loop
- Hardware-specific camera and GIF issues
| - Mobile app crashes during long editing sessions
- Forced AI elements disrupt core UI
| - Frequent post-update crashes erode daily active habit
- Complex account verification creates high-friction entry barriers
- Premium tier pricing exceeds category median
| - |
| Pricing | freemium | freemium | freemium | subscription | freemium | freemium | freemium | freemium | free |
| Momentum | Active | Active | Intense | - | Active | Maintenance | Active | Intense | Intense |
| Update Cadence | 5 versions, ~9d avg | 5 versions, 2 majors/6mo, ~7d avg | 5 versions | - | 5 versions, 1 majors/6mo, ~10d avg | 5 versions, ~18d avg | 5 versions, ~5d avg | 5 versions, 1 majors/6mo, ~5d avg | 5 versions |
