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CallSign
What it is
CallSign is group chat for gaming and spending time with friends through voice, video, and text. Its Free plan includes servers, channels, direct messages, and voice channels, plus a basic AI assistant and what the service calls “Always-on safety.” File uploads on Free are limited to 25 MB, and screen sharing is listed at 720p. Pro adds summaries, voice transcription, semantic search across messages, animated avatars, and custom profile themes; it also raises uploads to 500 MB and streaming to 4K/60fps. Pro Basic allows 50 MB uploads and includes custom emoji and stickers, with 1080p screen sharing. CallSign is available on Android, iOS, Linux, macOS, web, and Windows. Free costs nothing. Pro Basic is $2.99 a month, billed per month or $29.99 yearly; Pro is $19.99 a month, billed per month or $199.99 yearly. PlayStation and Xbox are listed as coming soon. A Public Test Build is available for trying features before launch and reporting bugs.
For and against
For
- Free includes servers, channels, direct messages, and voice channels.
- Available on Android, iOS, Linux, macOS, web, and Windows.
- Pro lists voice transcription and semantic message search.
- Pro supports 4K/60fps screen sharing.
- A Public Test Build is available.
Against
- Free uploads are limited to 25 MB.
- Free screen sharing is listed at 720p.
- PlayStation and Xbox are coming soon.
- Pro costs $19.99 a month or $199.99 yearly.
The verdict
CallSign combines group chat with plan-based AI tools, upload limits, and screen-sharing quality. Free covers core chat, while the higher tiers add larger uploads and more capabilities at listed subscription prices.
Who it suits
CallSign suits gaming groups and friends who want text, voice, and video chat, with mobile and desktop options. Its Pro tiers may suit groups seeking larger uploads, higher-resolution screen sharing, or added AI tools.
Plans and prices
Free
25 MB file uploads · Basic AI assistant · voice channels · servers, channels, DMs
Read 3 Oct 2026 · callsign.gg
Pro Basic
50 MB file uploads · limited AI assistant · custom emoji anywhere · custom stickers
Read 3 Oct 2026 · callsign.gg
Pro
500 MB file uploads · unlimited AI assistant · voice transcription · 4K/60fps streaming
Read 3 Oct 2026 · callsign.gg
On the record
- AI
- The Pro page lists an AI assistant, summaries, voice transcription, and semantic search across messages.callsign.gg · read 3 Oct 2026
- Communication
- CallSign offers servers, channels, direct messages, and voice channels on its Free plan.callsign.gg · read 3 Oct 2026
- Console availability
- The download page lists PlayStation and Xbox as coming soon.callsign.gg · read 3 Oct 2026
- Customization
- Pro includes animated avatars and custom profile themes; custom emoji and stickers are included with Pro Basic and Pro.callsign.gg · read 3 Oct 2026
- Desktop and browser
- The download page lists macOS, Windows, Linux, and browser availability.callsign.gg · read 3 Oct 2026
- File uploads
- The listed upload limits are 25 MB on Free, 50 MB on Pro Basic, and 500 MB on Pro.callsign.gg · read 3 Oct 2026
- Mobile
- The download page links to the App Store and Google Play for mobile apps.callsign.gg · read 3 Oct 2026
- Product
- CallSign describes itself as group chat with AI for gaming and hanging out with friends over voice, video, or text.callsign.gg · read 3 Oct 2026
- Safety
- The Free plan includes what the page calls “Always-on safety.”callsign.gg · read 3 Oct 2026
- Streaming
- Screen sharing is listed at 720p on Free, 1080p on Pro Basic, and 4K/60fps on Pro.callsign.gg · read 3 Oct 2026
- Subscriptions
- The Pro page says users can open CallSign and subscribe from User Settings.callsign.gg · read 3 Oct 2026
- Testing
- CallSign offers a Public Test Build for trying features before launch and helping report bugs.callsign.gg · read 3 Oct 2026
