How it plugs in
—Public API
NoOpen source
YesFree tier
Signal on Chat APIs6.2#11 of 32
Scaledrone is a real-time messaging toolkit for adding chat, updates, data sync, and collaboration to apps.

Pricing
- FreeFree · 20 concurrent connections · 100k events/day · no priority support · no personal onboardingFree
- Hobby$19/mo · 100 concurrent connections · 200k events/day · no priority support · no personal onboarding$19/mo
- Startup$29/mo · 500 concurrent connections · 1 million events/day · no priority support · no personal onboarding$29/mo
- Pro$49/mo · 2,000 concurrent connections · 4 million events/day · no priority support · no personal onboarding$49/mo
- Business$149/mo · 5,000 concurrent connections · 10 million events/day · priority support · no personal onboarding$149/mo
- Growth$249/mo · 10,000 concurrent connections · 20 million events/day · priority support · personal onboarding$249/mo
- Premium$349/mo · 15,000 concurrent connections · 40 million events/day · priority support · personal onboarding$349/mo
- Performance$499/mo · 20,000 concurrent connections · 60 million events/day · priority support · personal onboarding$499/mo
As scaledrone.com lists them, checked 9 Oct 2026.