# ASP.NET Core SignalR vs PubNub

**Leader by vioscaleAI score:** PubNub

| Attribute | ASP.NET Core SignalR | PubNub |
|---|---|---|
| **vioscaleAI score** | 47.1 (26% (low)) | 80.7 (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":"Offers messaging infrastructure for application developers to add chat, presence tracking, and real-time collaboration features. Includes built-in message persistence, push notification delivery, access controls, and runs on a globally distributed network. It is indexed under Realtime Messaging Infra.","source":"https://www.pubnub.com/pricing/","question":"What is PubNub?","confidence":0.6},{"answer":"PubNub offers a free tier, so you can start without paying. Paid plans start at $98 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://www.pubnub.com/pricing/","question":"Is PubNub free?","confidence":0.6},{"answer":"PubNub supports iOS and Android. Platforms we have not confirmed are simply not listed here rather than ruled out.","source":"https://www.pubnub.com/pricing/","question":"What platforms does PubNub support?","confidence":0.6},{"answer":"We have only confirmed a cloud / SaaS deployment for PubNub, so it appears to be vendor-hosted. If a self-hosted option exists we have not found it documented publicly.","source":"https://www.pubnub.com/pricing/","question":"Can PubNub be self-hosted?","confidence":0.6},{"answer":"We have independently confirmed SOC 2, HIPAA and GDPR for PubNub. Certifications we do not list are ones we have not been able to verify from public sources, which is not the same as PubNub not holding them. Always confirm compliance directly before you rely on it.","source":"https://www.pubnub.com/pricing/","question":"What security certifications does PubNub have?","confidence":0.6}]` |
| 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. | PubNub provides a cloud-based pub/sub messaging service with integrated presence tracking, message playback, access control, and serverless functions running on a global network with 11 points of presence. The platform consolidates multiple communication services into a single SDK and billing model, with options for regional data residency. |
| features.capabilities | `{"auth_model":"token/JWT","deployment":"hybrid","scaling_model":"external-adapter-required","self_hostable":true}` | `{"presence":true,"auth_model":"token/JWT","deployment":"cloud-hosted","pricing_model":"MAU-metered","global_edge_network":true,"message_history_replay":true,"push_notification_bridge":true,"offline_reconnect_catchup":true}` |
| integrations.count | 5 | - |
| integrations.list | `[{"name":"Redis"},{"name":"SQL Server"},{"name":"Azure Service Bus"},{"name":"Azure SignalR Service"},{"name":"Power Apps"}]` | - |
| language.primary | C# | - |
| license.spdx | MIT | - |
| market.availability | `{"primaryMarkets":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` | `{"primaryMarkets":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` |
| platform.support | `{"web":true}` | `{"ios":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":"usage","plans":[{"free":true,"name":"Free","features":["Presence tracking","Chat","Push notifications","Message history","Access control","File sharing"],"components":[{"kind":"fixed","amount":0,"period":"month","currency":"USD"}],"description":"Development and testing tier with basic features","contactSales":false,"includedLimits":{"MAU":"200","storage":"1GB for 7 days","function_calls":"1M/month","push_notifications":"1M/month"}},{"free":false,"name":"Starter","features":["User management","Insights","6-month chat history","Advanced analytics","99.999% SLA","Custom integrations","Standard support"],"components":[{"kind":"fixed","amount":98,"period":"month","currency":"USD"}],"description":"Production tier for live applications with core features and 6-month message history","contactSales":false,"includedLimits":{"MAU":"1000","chat_storage":"6 months"}},{"free":false,"name":"Pro","features":["Unlimited chat storage","Custom allowances","Volume discounts","Premium support options","All Starter features"],"components":[{"kind":"per_unit","unit":"MAU","amount":0.04,"period":"month","currency":"USD"}],"description":"Enterprise tier with usage-based pricing. Tier 1 (up to 10K MAU): $130 base + $0.04/MAU capped at $550. Tier 2 (10K-50K): $500 base + $0.035/additional MAU. Tier 3 (50K+): custom pricing with volume discounts.","contactSales":true}],"summary":"Free tier with up to 200 MAU. Starter at $98/month for 1,000 MAU. Pro with tiered usage-based pricing starting around $370/month for 5,000 MAU.","currency":"USD","freeTier":true,"sourceUrl":"https://www.pubnub.com/pricing/","retrievedAt":"2026-09-05T21:13:29.281Z","startingPrice":{"amount":98,"period":"month","currency":"USD"},"billingPeriods":["month","year"]}` |
| pricing.free_tier | yes | yes |
| pricing.model | open_source | freemium |
| pricing.price_level | free | high |
| pricing.starting_price | - | `{"amount":98,"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 | 99.999 |
| reliability.status_page | - | yes |
| security.certifications | - | `[{"name":"ISO 27001","status":"active"},{"name":"SOC 2 Type II","status":"active"},{"name":"SOC 3","status":"active"}]` |
| security.gdpr | - | yes |
| security.hipaa | - | yes |
| security.iso27001 | - | yes |
| security.scorecard | 6.7 | - |
| security.soc2 | - | yes |
| 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 | PubNub |
|---|:--:|:--:|
| **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 | Token/JWT |
| Self hostable | ✓ | - |
| Mqtt support | - | - |
| Deployment | Hybrid | Cloud hosted |
| Pricing model | - | MAU metered |

*Source: vioscaleAI. Generated 2026-10-16T19:30:23.989Z. "-" = undocumented, not absent.*