Frequently Asked Questions

Mumbler is a professional communication platform designed specifically for live events, conferences, and festivals. It replaces traditional walkie-talkies by turning your team's smartphones into a reliable command center with features like group channels, AI-summarized event intelligence, instant conference calls, and live text-to-speech.

Mumbler is available as a mobile app for iOS (Apple App Store) and Android (Google Play Store). There is also a web client that you can access on your desktop or laptop browser at mumblerlive.app.

You can view our current pricing at mumblerlive.com/pricing.html. All paid plans include everything in the free plan, plus advanced features like conference calling and the AI Newsfeed. Upgrading to a paid plan also enables you to have more than 20 users.

A user license counts as one named user added to an event. If the same user is a part of multiple events within your organization, they still only count as one license. You can manage your licenses via the web browser at licenses.mumblerlive.app.

You can bulk upload users using a spreadsheet. Go to the "Manage Users" menu, click "Download User Spreadsheet," add your users' information (without changing the spreadsheet's formatting/structure), and then click "Upload User Spreadsheet."

No. Because a user's login and account security are tied directly to their email address, it cannot be edited once set up. If you need to change a user's email, you must delete their current account and re-add them with the new email address.

You can set them up with a temporary email address (or use an alias like bob+temp@gmail.com). Once added, open the "Edit User" menu and click "Set password." This allows you to create a password for them so they can log in to the app without needing to verify via email.

No. Complete privacy is built-in. Personal phone numbers and email addresses are kept completely private and are only viewable by event Admins and Owners.

Admins can change all settings for all events owned by the organization. Owners can do everything an Admin can do, but they can also change licensing, billing information, and delete the Owner's account (and all associated data).

To avoid confusing your users, a good rule of thumb is not to have more channels than your total user count divided by 10 or 20. For example, if you have 100 users, try to keep it to 5 or 10 channels.

Your active channel is the one you are currently sending messages to. "Monitoring" a channel means you will continue to receive messages and notifications from it in your main feed, even while you are actively viewing or participating in a different channel.

You can utilize "Subchannels." Every event has one primary announcement channel at the top. When you post a message to a primary channel, it automatically broadcasts to all of its subchannels, allowing you to reach many users at once.

Yes! You can tap the "Speak" icon in the top right corner of the home screen to have messages read out loud (live text-to-speech). This is especially helpful if you are using headphones on-site and cannot look at your screen.

Event admins can create Custom Reactions, which are custom emojis or short phrases (up to 10 characters, like "On my way!"). These are pinned to the top of the reaction selector so your team can quickly communicate specific, standardized responses.

You can instantly switch from text to voice by starting a conference call with everyone in a specific channel. Mumbler's system will ring the phones of users who have a number set, or send a join link to those who don't. Because calls are routed through Mumbler's conference calling system, personal phone numbers remain completely hidden.

By default, only Admins can start phone calls. However, Admins can adjust Event Settings to allow regular users to make 1:1 calls, or allow them to start conference calls for the channels they have access to.

Available on paid plans, the AI Newsfeed continuously scans channel communications (ignoring private 1:1 chats) and generates real-time summaries. This allows event supervisors to easily see critical incidents, logistical issues, and the overall status of the event without having to read thousands of individual messages.

No. You have full control over what you see. You can adjust the "Priority Limit" slider to filter the newsfeed to only show higher priority summaries. You can also set a separate "Notifications Priority Limit" to only push urgent AI summaries to your main screen, while keeping the rest in the background feed.

Summaries can be delayed by a few minutes to allow the AI to aggregate conversations. Because AI can occasionally make mistakes, it is always recommended to verify the original messages before taking critical actions based on a summary.

Admins can set up "Event Help Contacts" to provide a clear escalation path. Users will see a list of contacts (e.g., "Registration Help" or "Security"). When they tap one, their message is automatically routed to a specific channel, a specific user, or triggers a phone call, ensuring the right people see the request immediately.

Mumbler does require internet access to operate; however, it uses a very small amount of data for text messages and is built to recover quickly if there’s a network issue. As a result, it can operate on highly constrained networks. Our customers are often pleasantly surprised by Mumbler’s reliability in poor network conditions, especially when compared with other apps. We also store all messages on our servers, so you won’t miss anything if the network temporarily drops out.

Mumbler is designed to use minimal data when sending and receiving text messages. Of course, if your team shares a lot of photos, the app will naturally consume more data.

Yes, messages are encrypted in transit. We use standard encryption algorithms and methods to protect your data, as well as industry-standard authentication protocols. Please note that all messages for an event may be visible to the event managers for that event. This is by design, ensuring event managers have maximum visibility into event operations.