# ASP.NET Core SignalR vs Pusher Channels

| Attribute | ASP.NET Core SignalR | Pusher Channels |
|---|---|---|
| **vioscaleAI score** | 47.1 (26% (low)) | 50.5 (61% (medium)) |
| activity.commits_last_30d | 100 | - |
| adoption.dependent_repos | 27 | - |
| adoption.github_stars | 38,471 | - |
| content.faq | `[{"answer":"SignalR is an open-source library that enables ASP.NET applications to deliver real-time updates by pushing server content directly to connected clients. It supports multiple client platforms including web browsers, mobile devices, and desktop applications. It is indexed under Realtime Messaging Infra.","source":"https://dotnet.microsoft.com/en-us/apps/aspnet/signalr","question":"What is ASP.NET Core SignalR?","confidence":0.6},{"answer":"ASP.NET Core SignalR is open source, so it can be self-hosted and used at no licence cost. It is released under the MIT licence. Pricing changes often, so verify at source before relying on it.","source":"https://dotnet.microsoft.com/en-us/apps/aspnet/signalr","question":"Is ASP.NET Core SignalR free to use?","confidence":0.6},{"answer":"ASP.NET Core SignalR supports the web, Windows, macOS and Linux. Platforms we have not confirmed are simply not listed here rather than ruled out.","source":"https://dotnet.microsoft.com/en-us/apps/aspnet/signalr","question":"What platforms does ASP.NET Core SignalR support?","confidence":0.6},{"answer":"Yes. ASP.NET Core SignalR can be deployed cloud / SaaS and self-hosted, so it does not have to run on the vendor's infrastructure.","source":"https://dotnet.microsoft.com/en-us/apps/aspnet/signalr","question":"Can ASP.NET Core SignalR be self-hosted?","confidence":0.6},{"answer":"We have confirmed 5 integrations for ASP.NET Core SignalR, including Redis, SQL Server, Azure Service Bus, Azure SignalR Service and Power Apps. This is what we could verify from public sources, so the vendor may support others we have not indexed.","source":"https://dotnet.microsoft.com/en-us/apps/aspnet/signalr","question":"What does ASP.NET Core SignalR integrate with?","confidence":0.6},{"answer":"Yes. ASP.NET Core SignalR is published under the MIT licence, a permissive licence that generally allows commercial use and modification. Licence terms can change between releases, so verify against the repository for the version you intend to use.","source":"https://github.com/dotnet/aspnetcore","question":"Is ASP.NET Core SignalR open source?","confidence":0.95}]` | `[{"answer":"Pusher Channels provides cloud-based WebSocket infrastructure that allows developers to build real-time features such as live dashboards, presence awareness, and collaborative editing without managing underlying network complexity. It is indexed under Realtime Messaging Infra.","source":"https://pusher.com/channels/pricing/","question":"What is Pusher Channels?","confidence":0.6},{"answer":"Pusher Channels offers a free tier, so you can start without paying. Paid plans start at $49 per month. Prices are published openly on the vendor's own pricing page. Pricing changes often, so verify at source before relying on it.","source":"https://pusher.com/channels/pricing/","question":"Is Pusher Channels free?","confidence":0.6},{"answer":"Pusher Channels supports the web, iOS and Android. Platforms we have not confirmed are simply not listed here rather than ruled out.","source":"https://pusher.com/channels","question":"What platforms does Pusher Channels support?","confidence":0.6},{"answer":"We have only confirmed a cloud / SaaS deployment for Pusher Channels, so it appears to be vendor-hosted. If a self-hosted option exists we have not found it documented publicly.","source":"https://pusher.com/channels/pricing/","question":"Can Pusher Channels be self-hosted?","confidence":0.6},{"answer":"We have independently confirmed ISO 27001, HIPAA and GDPR for Pusher Channels. Certifications we do not list are ones we have not been able to verify from public sources, which is not the same as Pusher Channels not holding them. Always confirm compliance directly before you rely on it.","source":"https://pusher.com/security/","question":"What security certifications does Pusher Channels have?","confidence":0.7},{"answer":"Pusher Channels is available worldwide. The vendor is headquartered in the United Kingdom.","source":"https://pusher.com/channels/pricing/","question":"Where is Pusher Channels available?","confidence":0.75}]` |
| deployment.options | `{"cloud":true,"self_hosted":true}` | `{"cloud":true}` |
| description.long | An ASP.NET Core library that allows server-side code to transmit updates to connected clients instantly. It provides client implementations for .NET, Java, and TypeScript/JavaScript, making it straightforward to build applications with live data synchronization. | A platform delivering APIs that enable real-time communication and collaboration functionality in applications, with SDKs available for web browsers, mobile devices, and backend servers. |
| features.capabilities | `{"auth_model":"token/JWT","deployment":"hybrid","scaling_model":"external-adapter-required","self_hostable":true}` | - |
| integrations.count | 5 | 2 |
| integrations.list | `[{"name":"Redis"},{"name":"SQL Server"},{"name":"Azure Service Bus"},{"name":"Azure SignalR Service"},{"name":"Power Apps"}]` | `[{"name":"Librato"},{"name":"Datadog"}]` |
| language.primary | C# | - |
| license.spdx | MIT | - |
| market.availability | `{"primaryMarkets":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` | `{"hqCountry":"GB","primaryMarkets":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` |
| platform.support | `{"web":true}` | `{"ios":true,"web":true,"android":true}` |
| pricing | `{"type":"open_source","freeTier":true,"sourceUrl":"https://dotnet.microsoft.com/en-us/apps/aspnet/signalr","retrievedAt":"2026-08-19T23:11:59.751Z"}` | `{"type":"subscription","plans":[{"free":true,"name":"Sandbox","summary":"Free","features":["Standard support"],"components":[{"kind":"fixed","amount":0,"period":"month","currency":"USD"}],"contactSales":false,"includedLimits":{"messages_per_day":"200k","concurrent_connections":"100"}},{"free":false,"name":"Startup","summary":"$49/month","components":[{"kind":"fixed","amount":49,"period":"month","currency":"USD"}],"contactSales":false,"includedLimits":{"messages_per_day":"1 million","concurrent_connections":"500"}},{"free":false,"name":"Pro","summary":"$99/month","features":["Monitoring integrations"],"components":[{"kind":"fixed","amount":99,"period":"month","currency":"USD"}],"contactSales":false,"includedLimits":{"messages_per_day":"4 million"}},{"free":false,"name":"Business","summary":"$299/month","components":[{"kind":"fixed","amount":299,"period":"month","currency":"USD"}],"contactSales":false,"includedLimits":{"messages_per_day":"10 million"}},{"free":false,"name":"Premium","summary":"$499/month","features":["Premium support"],"components":[{"kind":"fixed","amount":499,"period":"month","currency":"USD"}],"contactSales":false,"includedLimits":{"messages_per_day":"20 million","concurrent_connections":"10,000"}},{"free":false,"name":"Growth","summary":"$699/month","features":["Annual price discount"],"components":[{"kind":"fixed","amount":699,"period":"month","currency":"USD"}],"contactSales":false,"includedLimits":{"messages_per_day":"40 million","concurrent_connections":"15,000"}},{"free":false,"name":"Plus","summary":"$899/month","components":[{"kind":"fixed","amount":899,"period":"month","currency":"USD"}],"contactSales":false,"includedLimits":{"messages_per_day":"60 million","concurrent_connections":"20,000"}},{"free":false,"name":"Growth Plus","summary":"$1,199/month","features":["Premium customer support"],"components":[{"kind":"fixed","amount":1199,"period":"month","currency":"USD"}],"contactSales":false,"includedLimits":{"messages_per_day":"90 million","concurrent_connections":"30,000"}},{"free":false,"name":"Enterprise","summary":"Custom pricing","features":["Custom plan","Outstanding uptime","Top-tier support"],"description":"For applications requiring 10+ million concurrent connections and 100+ billion messages","contactSales":true}],"addOns":[{"name":"Priority Support","components":[{"kind":"fixed","amount":3000,"period":"month","currency":"USD"}]}],"summary":"From $49/month for Startup plan. Free Sandbox tier available.","currency":"USD","freeTier":true,"sourceUrl":"https://pusher.com/channels/pricing/","retrievedAt":"2026-08-19T18:23:22.878Z","startingPrice":{"amount":49,"period":"month","currency":"USD"},"billingPeriods":["month"]}` |
| pricing.free_tier | yes | yes |
| pricing.model | open_source | freemium |
| pricing.price_level | free | mid |
| pricing.starting_price | - | `{"amount":49,"currency":"USD"}` |
| pricing.transparent | - | yes |
| release.history | `[{"url":"https://github.com/dotnet/aspnetcore/releases/tag/v9.0.21","date":"2026-10-13T21:54:26Z","type":"stable","version":"v9.0.21"},{"url":"https://github.com/dotnet/aspnetcore/releases/tag/v8.0.32","date":"2026-10-13T21:43:01Z","type":"stable","version":"v8.0.32"},{"url":"https://github.com/dotnet/aspnetcore/releases/tag/v10.0.13","date":"2026-10-13T22:26:19Z","type":"stable","version":"v10.0.13"},{"url":"https://github.com/dotnet/aspnetcore/releases/tag/v8.0.31","date":"2026-09-08T21:47:38Z","type":"stable","version":"v8.0.31"},{"url":"https://github.com/dotnet/aspnetcore/releases/tag/v10.0.12","date":"2026-09-08T22:09:32Z","type":"stable","version":"v10.0.12"},{"url":"https://github.com/dotnet/aspnetcore/releases/tag/v9.0.20","date":"2026-09-08T21:56:24Z","type":"stable","version":"v9.0.20"},{"url":"https://github.com/dotnet/aspnetcore/releases/tag/v8.0.30","date":"2026-08-11T19:33:52Z","type":"stable","version":"v8.0.30"},{"url":"https://github.com/dotnet/aspnetcore/releases/tag/v9.0.19","date":"2026-08-11T21:09:36Z","type":"stable","version":"v9.0.19"},{"url":"https://github.com/dotnet/aspnetcore/releases/tag/v10.0.11","date":"2026-08-11T21:44:32Z","type":"stable","version":"v10.0.11"},{"url":"https://github.com/dotnet/aspnetcore/releases/tag/v8.0.29","date":"2026-07-14T21:57:27Z","type":"stable","version":"v8.0.29"},{"url":"https://github.com/dotnet/aspnetcore/releases/tag/v10.0.10","date":"2026-07-15T00:37:48Z","type":"stable","version":"v10.0.10"},{"url":"https://github.com/dotnet/aspnetcore/releases/tag/v9.0.18","date":"2026-07-15T00:14:08Z","type":"stable","version":"v9.0.18"},{"url":"https://github.com/dotnet/aspnetcore/releases/tag/v9.0.17","date":"2026-06-09T19:09:17Z","type":"stable","version":"v9.0.17"},{"url":"https://github.com/dotnet/aspnetcore/releases/tag/v8.0.28","date":"2026-06-09T18:28:00Z","type":"stable","version":"v8.0.28"},{"url":"https://github.com/dotnet/aspnetcore/releases/tag/v11.0.0-preview.4","date":"2026-05-12T20:57:10Z","type":"prerelease","version":"v11.0.0-preview.4"},{"url":"https://github.com/dotnet/aspnetcore/releases/tag/v10.0.9","date":"2026-06-09T19:51:13Z","type":"stable","version":"v10.0.9"},{"url":"https://github.com/dotnet/aspnetcore/releases/tag/v9.0.16","date":"2026-05-12T18:41:14Z","type":"stable","version":"v9.0.16"},{"url":"https://github.com/dotnet/aspnetcore/releases/tag/v8.0.27","date":"2026-05-12T18:40:22Z","type":"stable","version":"v8.0.27"},{"url":"https://github.com/dotnet/aspnetcore/releases/tag/v10.0.8","date":"2026-05-12T18:26:28Z","type":"stable","version":"v10.0.8"},{"url":"https://github.com/dotnet/aspnetcore/releases/tag/v10.0.6","date":"2026-04-20T18:54:24Z","type":"stable","version":"v10.0.6"}]` | - |
| reliability.sla_pct | 99.9 | - |
| reliability.status_page | - | yes |
| security.gdpr | - | yes |
| security.hipaa | - | yes |
| security.iso27001 | - | yes |
| security.scorecard | 6.7 | - |
| security.vulnerabilities | `{"count":4,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=nuget&package_name=microsoft.aspnetcore.mvc&per_page=100","last_12m":0,"max_severity":"HIGH"}` | - |

## Capabilities (Realtime Messaging Infra)

| Capability | ASP.NET Core SignalR | Pusher Channels |
|---|:--:|:--:|
| **Capabilities** |  |  |
| Presence | - | - |
| Message history replay | - | - |
| Delivery guarantee | - | - |
| Global edge network | - | - |
| Scaling model | External adapter required | - |
| Offline reconnect catchup | - | - |
| Push notification bridge | - | - |
| Auth model | Token/JWT | - |
| Self hostable | ✓ | - |
| Mqtt support | - | - |
| Deployment | Hybrid | - |
| Pricing model | - | - |

*Source: vioscaleAI. Generated 2026-10-16T20:15:29.056Z. "-" = undocumented, not absent.*