# Ably vs Supabase Realtime

**Leader by vioscaleAI score:** Ably

| Attribute | Ably | Supabase Realtime |
|---|---|---|
| **vioscaleAI score** | 75 (73% (medium)) | 62.2 (32% (low)) |
| content.faq | `[{"answer":"Ably is a platform providing APIs and SDKs for building real-time features including messaging and chat, with fully managed cloud infrastructure. It is indexed under Realtime Messaging Infra.","source":"https://ably.com","question":"What is Ably?","confidence":0.6},{"answer":"Ably offers a free tier, so you can start without paying. Paid plans start at $0.25. Prices are published openly on the vendor's own pricing page. Pricing changes often, so verify at source before relying on it.","source":"https://ably.com/pricing","question":"Is Ably free?","confidence":0.6},{"answer":"Ably supports the web, macOS, iOS, Android and a command-line interface. Platforms we have not confirmed are simply not listed here rather than ruled out.","source":"https://ably.com","question":"What platforms does Ably support?","confidence":0.6},{"answer":"We have only confirmed a cloud / SaaS deployment for Ably, so it appears to be vendor-hosted. If a self-hosted option exists we have not found it documented publicly.","source":"https://ably.com","question":"Can Ably be self-hosted?","confidence":0.6},{"answer":"We have confirmed 17 integrations for Ably, including AWS Lambda, Microsoft Azure Functions, Google Cloud Functions, Cloudflare Workers, AWS Kinesis, Kafka, RabbitMQ and AMQP, plus 9 more. This is what we could verify from public sources, so the vendor may support others we have not indexed.","source":"https://ably.com/pricing","question":"What does Ably integrate with?","confidence":0.6},{"answer":"We have independently confirmed SOC 2, HIPAA and GDPR for Ably. Certifications we do not list are ones we have not been able to verify from public sources, which is not the same as Ably not holding them. Always confirm compliance directly before you rely on it.","source":"https://ably.com/security-and-compliance","question":"What security certifications does Ably have?","confidence":0.7},{"answer":"Ably is available in the United Kingdom, the United States and Australia. Its primary markets are the United Kingdom and the United States. The vendor is headquartered in the United Kingdom.","source":"https://ably.com/pricing","question":"Where is Ably available?","confidence":0.75}]` | `[{"answer":"A server that monitors PostgreSQL databases for data changes and broadcasts updates instantly to connected clients. It polls PostgreSQL's replication logs, converts modifications to JSON, and delivers them to authorized subscribers via WebSocket. It is indexed under Realtime Messaging Infra.","source":"https://supabase.com/blog/pricing","question":"What is Supabase Realtime?","confidence":0.6},{"answer":"Supabase Realtime offers a free tier, so you can start without paying. Paid plans start at $25 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://supabase.com/blog/pricing","question":"Is Supabase Realtime free?","confidence":0.6},{"answer":"We have confirmed browser-based access to Supabase Realtime. That is the extent of what we could verify from public sources, so it may well offer desktop or mobile clients we have not indexed.","source":"https://supabase.com/blog/storage-500gb-uploads-cheaper-egress-pricing","question":"What platforms does Supabase Realtime support?","confidence":0.6},{"answer":"Yes. Supabase Realtime can be deployed cloud / SaaS and self-hosted, so it does not have to run on the vendor's infrastructure.","source":"https://supabase.com/blog/pricing","question":"Can Supabase Realtime be self-hosted?","confidence":0.6},{"answer":"We have independently confirmed SOC 2, ISO 27001 and HIPAA for Supabase Realtime. Certifications we do not list are ones we have not been able to verify from public sources, which is not the same as Supabase Realtime not holding them. Always confirm compliance directly before you rely on it.","source":"https://supabase.com/blog/pricing","question":"What security certifications does Supabase Realtime have?","confidence":0.6},{"answer":"Supabase Realtime is available worldwide. Its primary market is the United States.","source":"https://supabase.com/blog/pricing","question":"Where is Supabase Realtime available?","confidence":0.5}]` |
| deployment.options | `{"cloud":true}` | `{"cloud":true,"self_hosted":true}` |
| description.long | Ably is a platform providing APIs and SDKs for building real-time features including messaging and chat, with fully managed cloud infrastructure. | A server that monitors PostgreSQL databases for data changes and broadcasts updates instantly to connected clients. It polls PostgreSQL's replication logs, converts modifications to JSON, and delivers them to authorized subscribers via WebSocket. |
| features.capabilities | `{"presence":true,"deployment":"cloud-hosted","pricing_model":"MAU-metered","global_edge_network":true}` | `{"presence":true,"deployment":"cloud-hosted","self_hostable":true}` |
| integrations.count | 17 | - |
| integrations.list | `[{"name":"AWS Lambda"},{"name":"Microsoft Azure Functions"},{"name":"Google Cloud Functions"},{"name":"Cloudflare Workers"},{"name":"AWS Kinesis"},{"name":"Kafka"},{"name":"RabbitMQ"},{"name":"AMQP"},{"name":"AWS SQS"},{"name":"Pulsar"},{"name":"Zapier"},{"name":"IFTTT"},{"name":"Datadog"},{"name":"BigQuery"},{"name":"Terraform"},{"name":"Netlify"},{"name":"HTTP Webhooks"}]` | - |
| market.availability | `{"primaryMarkets":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` | `{"primaryMarkets":["US"],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` |
| platform.support | `{"cli":true,"ios":true,"mac":true,"web":true,"android":true,"windows":true}` | `{"web":true}` |
| pricing | `{"type":"hybrid","plans":[{"free":true,"name":"Free","summary":"Free","features":["All Ably products included","Community and email support","No commitment"],"components":[{"kind":"fixed","amount":0,"period":"month","currency":"USD"}],"description":"Proof of concept development","contactSales":false,"includedLimits":{"message_size":"64KiB","message_storage":"1 day","concurrent_connections":"200"}},{"free":false,"name":"Standard","summary":"$29/month plus usage charges","features":["1 day email support SLA"],"components":[{"kind":"fixed","amount":29,"period":"month","currency":"USD"},{"per":{"qty":1000000,"unit":"messages"},"kind":"metered","amount":2.5,"currency":"USD"},{"per":{"qty":1000000,"unit":"channel_minutes"},"kind":"metered","amount":1,"currency":"USD"},{"per":{"qty":1,"unit":"GiB"},"kind":"metered","amount":0.25,"currency":"USD"}],"description":"Production deployment","contactSales":false},{"free":false,"name":"Pro","summary":"$399/month plus usage charges","features":["4 hour email support SLA","Datadog lite monitoring"],"components":[{"kind":"fixed","amount":399,"period":"month","currency":"USD"},{"per":{"qty":1000000,"unit":"messages"},"kind":"metered","amount":2.5,"currency":"USD"},{"per":{"qty":1000000,"unit":"channel_minutes"},"kind":"metered","amount":1,"currency":"USD"},{"per":{"qty":1,"unit":"GiB"},"kind":"metered","amount":0.25,"currency":"USD"}],"description":"Business critical workloads","contactSales":false},{"free":false,"name":"Enterprise","summary":"Custom pricing","features":["24/7 mission critical support","99.999% uptime SLA","Committed use discounts","Datadog integration","SSO and SCIM","CNAME custom domain","Architectural guidance","Regional data routing","Dedicated cluster"],"contactSales":true}],"summary":"Free tier available. Paid plans start at $29/month with per-million message and channel minute billing.","currency":"USD","freeTier":true,"sourceUrl":"https://ably.com/pricing","retrievedAt":"2026-08-19T18:25:09.786Z","startingPrice":{"amount":29,"period":"month","currency":"USD"},"billingPeriods":["month"]}` | `{"type":"hybrid","plans":[{"free":true,"name":"Free","summary":"Free tier for hobby projects and experiments","features":["Unlimited API requests","50,000 monthly active users","500 MB database size","5 GB cached egress","1 GB file storage","Community support"],"components":[{"kind":"fixed","amount":0,"period":"month","currency":"USD"}],"contactSales":false,"includedLimits":{"file_storage":"1 GB","cached_egress":"5 GB","database_size":"500 MB","monthly_active_users":"50,000"}},{"free":false,"name":"Pro","summary":"$25/month for first project; $10/month for additional projects","features":["Everything in Free Plan","100,000 monthly active users (then $0.00325 per MAU)","8 GB disk size per project (then $0.125 per GB)","250 GB egress (then $0.09 per GB)","250 GB cached egress (then $0.03 per GB)","100 GB file storage (then $0.0213 per GB)","Email support","Daily backups (7-day retention)","7-day log retention"],"components":[{"kind":"fixed","amount":25,"period":"month","currency":"USD"}],"description":"Most Popular","contactSales":false,"includedLimits":{"egress":"250 GB","file_storage":"100 GB","cached_egress":"250 GB","database_size":"8 GB","monthly_active_users":"100,000"}},{"free":false,"name":"Team","summary":"$599/month","features":["Everything in Pro Plan","SOC2 & ISO 27001 compliance","Project-scoped and read-only access","HIPAA available as paid add-on","SSO for Supabase Dashboard","Priority email support with SLAs","Daily backups (14-day retention)","28-day log retention"],"components":[{"kind":"fixed","amount":599,"period":"month","currency":"USD"}],"contactSales":false},{"free":false,"name":"Custom","features":["Designated support manager","Uptime SLAs","AWS PrivateLink support","24/7/365 premium enterprise support","Private Slack channel","Custom security questionnaires"],"contactSales":true}],"addOns":[{"name":"Log Drains","components":[{"kind":"fixed","amount":60,"period":"month","currency":"USD"},{"per":{"qty":1000000,"unit":"events"},"kind":"metered","amount":0.2,"currency":"USD"},{"per":{"qty":1,"unit":"gb"},"kind":"metered","amount":0.09,"currency":"USD"}]},{"name":"Custom Domain","components":[{"kind":"fixed","amount":10,"period":"month","currency":"USD"}]},{"name":"Point in Time Recovery"},{"name":"Branching","components":[{"per":{"qty":1,"unit":"branch-hour"},"kind":"metered","amount":0.01344,"currency":"USD"}]},{"name":"Pipelines","components":[{"per":{"qty":1,"unit":"pipeline-hour"},"kind":"metered","amount":0.053,"currency":"USD"}]},{"name":"Replication (ongoing)","components":[{"per":{"qty":1,"unit":"gb"},"kind":"metered","amount":3,"currency":"USD"}]},{"name":"Replication (initial sync)","components":[{"per":{"qty":1,"unit":"gb"},"kind":"metered","amount":0.6,"currency":"USD"}]}],"summary":"Free tier available. Pro from $25/month for first project. Team $599/month. Usage-based add-ons for storage, bandwidth, compute, and additional features.","currency":"USD","freeTier":true,"sourceUrl":"https://supabase.com/blog/pricing","retrievedAt":"2026-09-09T16:16:22.966Z","startingPrice":{"amount":25,"period":"month","currency":"USD"},"billingPeriods":["month"]}` |
| pricing.free_tier | yes | yes |
| pricing.model | freemium | freemium |
| pricing.price_level | low | mid |
| pricing.starting_price | `{"amount":29,"currency":"USD"}` | `{"amount":25,"currency":"USD"}` |
| pricing.transparent | yes | yes |
| reliability.sla_pct | 99.999 | - |
| reliability.status_page | yes | - |
| security.certifications | - | `[{"name":"SOC 2","status":"active"},{"name":"ISO 27001","status":"active"}]` |
| security.gdpr | yes | - |
| security.hipaa | yes | yes |
| security.iso27001 | - | yes |
| security.soc2 | yes | yes |

## Capabilities (Realtime Messaging Infra)

| Capability | Ably | Supabase Realtime |
|---|:--:|:--:|
| **Capabilities** |  |  |
| Presence | ✓ | ✓ |
| Message history replay | - | - |
| Delivery guarantee | - | - |
| Global edge network | ✓ | - |
| Scaling model | - | - |
| Offline reconnect catchup | - | - |
| Push notification bridge | - | - |
| Auth model | - | - |
| Self hostable | - | ✓ |
| Mqtt support | - | - |
| Deployment | Cloud hosted | Cloud hosted |
| Pricing model | MAU metered | - |

*Source: vioscaleAI. Generated 2026-10-16T19:18:22.518Z. "-" = undocumented, not absent.*