Top Radioactive Alternatives
A chat app for messaging one or two people you want to hear from, available on iOS beta and as a web app.
Looking for apps like Radioactive? Explore similar apps and alternatives, ranked based on their features, categories, and use cases.
Messaging and VoIP app for smartphones and web: send text and voice messages, make voice and video calls, share images, files and locations, use group chats; requires a mobile phone number.
Messenger
Messenger is a messaging app for text, voice and video calls, group chats, and sharing photos, videos, files and stickers across mobile and desktop, with optional encryption and AI features.
Telegram
Cloud-based messaging app for text, voice and video calls, file and media sharing, group chats, channels and bots; offers optional end-to-end encrypted "secret" chats.
Discord
Discord is a freeware messaging and VoIP app that hosts servers with text, voice, and video channels for community and team communication on desktop, mobile, and web.
Google Messages
Google Messages is an SMS and instant messaging app for Android, supporting RCS for rich media and features like spam detection and customization.
Snapchat
Send photos, videos and messages (often temporary), view Stories and Discover content, chat and video-call friends, share locations on a map, and save memories.
Google Chat
Google Chat is a team communication app by Google that enables direct messaging, group chats, and file sharing, integrated with Google Workspace tools.
TextNow
TextNow is a communication app that provides free texting and calling over WiFi using a virtual phone number accessible on multiple devices.
GroupMe
GroupMe is a mobile group messaging app for casual communication among friends and small teams, allowing group chats and direct messaging.
Zangi
Zangi is a secure messaging app that enables anonymous communication with end-to-end encryption, protecting user privacy without requiring personal details.
Microsoft Teams
Microsoft Teams is a communication and collaboration app for chat, video meetings, file storage, and app integration.
TextMe
TextMe is an app that provides users with a second phone number for unlimited texting and calling in the US and Canada, using an internet connection.
Text Free
Text Free provides users with a free U.S. phone number to send unlimited texts and make calls over Wi-Fi or data, available on mobile and desktop platforms.
Instagram Direct Messenger
Instagram Direct Messenger lets users send messages, photos, and videos privately on Instagram, supporting personal conversations and connecting with friends.
Slack
Slack helps teams organize work conversations, share files, coordinate projects, and find information through channels, messages, huddles, and integrations.
WeChat is a multi-purpose messaging, social media, and mobile payment app developed by Tencent, allowing users to communicate and share content.
HelloTalk
HelloTalk is a language learning app that connects users with native speakers for text, voice, and video conversations, promoting language exchange and cultural insights.
AirMessage
AirMessage allows users to access iMessage on Android, Windows, Linux, or Chromebook devices.
Botim Web
Botim Web is a platform for secure messaging, voice, and video calls, along with digital financial services for easy international money transfers and bill payments.
FluffyChat
FluffyChat is an open-source, nonprofit messaging app using the Matrix protocol for secure, decentralized communication across multiple devices.
WeCom
WeCom is a business management app for efficient communication and collaboration, integrating with WeChat for customer management and offering productivity tools.
Zenzap
Zenzap is an instant messaging app for teams that integrates tools like calendars and task management to enhance communication and collaboration securely.
Zalo
Zalo is a Vietnam-based messaging app that offers fast and secure communication through text, voice, video calls, and file sharing across multiple platforms.
Voxer
Voxer is a communication app that combines live push-to-talk and voice messaging, allowing users to send voice, text, pictures, and videos securely.
Moco
Moco is a social app for chatting with others, joining community spaces, and sharing experiences through messaging and group discussions.
MeetMe
MeetMe is a social networking app that connects users for chatting, making friends, and livestreaming with people nearby or globally.
Rocket.Chat
Rocket.Chat is a secure team communication platform that offers messaging, voice, and video calls, with strong encryption and customization for regulated organizations.
X Chat
X Chat lets X users send private direct messages, manage conversations, and stay connected within the X platform.
X Messages
X Messages is a private messaging feature on the X platform allowing users to communicate through direct messages and group chats.
QQ is a messaging app that enables text, voice, and video communication, file sharing, and integrates social networking features for personal and professional use.