Pumble：無制限の履歴とユーザー制限なしの無料ビジネスメッセージングアプリ

Pumble is a free business messaging and work communication app that allows you to: • Send direct and group messages to teammates • Create public and private channels to organize and discuss work topics • Create meeting links where you can talk to others • Have unlimited access to history of all your messages • Invite an unlimited number of users • Send audio and video messages • Upload and share files and links • Available across devices (mobile, desktop, web) Learn more: https://pumble.com