Muster: Group Organizer
Productivity
Only for iPhone
Free · Designed for iPhone. Not verified for macOS.
iPhone
Muster is a simple organiser for groups that meet up: sports teams, clubs, or any regular event.
- Separate groups, each with admins and members
- Create events and invite people by email
- Everyone replies in or out and sees who's coming
- An ordered standby queue that admins can rearrange
- Sign in with a one-time email code; no passwords
People join by invitation from a group admin. Creating new groups is enabled on request.
No ads, no tracking.
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
Behind-the-scenes improvements to how updates are built and released.
The developer, Alireza Sobhani, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Linked to You
The following data may be collected and linked to your identity:
- Contact Info
- User Content
- Identifiers
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Alireza Sobhani
- Size
- 45.2 MB
- Category
- Productivity
- Compatibility
Requires iOS 18.2 or later.
- iPhone
Requires iOS 18.2 or later. - Mac
Requires macOS 15.2 or later and a Mac with Apple M1 chip or later.
- iPhone
- Languages
- English
- Age Rating
13+
- 13+
- Copyright
- © 2026 Alireza Sobhani