Compass vs MostlyMatter
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Compass
A fast and secure business messaging app designed to streamline team communication and boost productivity. It offers features like group chats, video conferencing, chatbots, and robust data security options for businesses of all sizes.
- Fast messaging
- Team communication
- Video conferencing
- Chatbots
- Data security
- On-premise version
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Compass is a fast messaging application. It can be easily integrated with other services and runs smoothly on any device. This messaging service helps streamline work communication and get the team focused on results. The Compass corporate messaging app is for teams of any size: small and medium businesses, IT companies, digital agencies, and financial institutions. A special on-premise version is available for corporations to use on their own servers. When developing this corporate messaging application, the engineers paid special attention to app speed, ease of integration with external services, and advanced chatbot functionality. There is a dedicated support service for all users. A personal Compass manager will help set up your processes and ensure a comfortable transition for your team from another messaging app. Compass lets you create personal and group chats, and it offers videoconferences, voice messages, chatbots, and continuous file storage. You can easily use this corporate messaging app with even 1,000 or more active chats: Compass runs fast for teams of any size. Compass does not require any additional set-up: start communicating right after installing it. The Compass corporate messaging app works fast on any device. The mobile version is not limited in functionality: effectively manage your business from your phone or computer. TIME SAVER • Videoconferences for more than 1000 participants allow users to quickly organize team meetings from anywhere in the world. • Message reactions speed up the decision-making process and increase team engagement. • Chatbots and two-way API integration with other services help automate routine processes. ENHANCED PERFORMANCE • The unique functionality of displaying response times and activity in the application improves team performance several times over. • Being able to tag group members helps quickly focus the team on what's important. • Flexible notification settings help you get tasks closed without unnecessary distractions. MONITORING • Reminders help you keep important tasks top of mind, even in the busiest workflows. • Comments (threads) help prevent chaos in group chats. • Employee cards show team member activity and their current statuses to make communication more transparent. DATA SECURITY • The ability to install the Compass corporate messaging service on your company's servers guarantees complete control over your data. • Flexible access settings protect content from being downloaded and conversations from being distributed. • Group members can be removed from chats in just two clicks, which helps keep sensitive data safe. If you are looking for a modern business messaging app for quick communication with your team, the Compass corporate messaging service could be the perfect assistant. We are happy to answer any questions you have — contact us at support@getcompass.com or via the support chat in the Compass app.
MostlyMatter
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MostlyMatter ist die Team-Kommunikations-App von SIRPLUS. Bleibe mit deinem Team in Verbindung – überall und jederzeit. Funktionen: • Nachrichten in Echtzeit mit Kanälen und Direktnachrichten • Sprachnachrichten senden und empfangen • Dateien, Bilder und Dokumente teilen • Push-Benachrichtigungen für neue Nachrichten • Threads für übersichtliche Diskussionen • Suchfunktion über alle Nachrichten und Dateien • Dunkelmodus MostlyMatter basiert auf Mattermost (Open Source) und wird von SIRPLUS betrieben. Deine Daten bleiben auf unserem eigenen Server – sicher und DSGVO-konform.
Screenshots
Verdict
The clearest difference is update cadence: Compass at every 11 days against MostlyMatter's every 2 months. Compass also leads on iOS requirement (13.4 vs 16.0). On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Compass ships an update every 11 days, MostlyMatter every 2 months. The most recent releases landed on October 17, 2026 and October 15, 2026 respectively.
| Parameter | Compass | MostlyMatter |
|---|---|---|
| Price | Free | Free |
| Rating | 1.0 (3 ratings) — better | — |
| Positive reviews | 62.5% of reviews | — |
| Number of ratings | 3 — better | — |
| Update frequency | Every 11 days — better | Every 2 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 13.4 — better | 16.0 |
| Further details — not scored | ||
| Size | 395 MB | 87 MB |
| Age rating | 12+ | 4+ |
| Developer | Blogman | sirplus.de |
In-app purchases
Compass
No in-app purchases
MostlyMatter
No in-app purchases







