Liveblocks vs Novu
An independent, review-free comparison compiled by the SaaSTracker editorial team. Both products are profiled in full, and neither can pay for placement here.
Still shortlisting? Browse the best in Notification Infrastructure for every option we track, with award winners called out.
The short answer
Both sides assessedLiveblocks compared with Novu
Both appeal to teams who want control, from different directions. Novu is open-source notification infrastructure with workflows, digests, an inbox component, and a self-hostable core, free to 10,000 events and around $30 a month on cloud. Liveblocks open-sources its sync engine but the notification service is hosted only, and its strength is that comments and mentions produce the notifications for you. At the same price point, pick Novu if you need workflow orchestration, digests across arbitrary events, or self-hosting. Pick Liveblocks if the notifications are collaboration events and you also want the commenting.
Novu compared with Liveblocks
Two cheap answers to different questions. Novu is notification infrastructure proper: workflows, digests, preferences, an inbox component, self-hostable, free to 10,000 events and around $30 a month on cloud. Liveblocks is a collaboration platform whose inbox fills itself from comments and mentions, also about $30 a month, but with no workflow engine, no SMS, and no self-hosting of the service. At the same price, take Novu when notifications come from arbitrary backend events and you want to own the stack. Take Liveblocks when you are shipping comments or multiplayer editing anyway and the notifications are a consequence of that.
Choose Liveblocks if
Product teams adding comments, mentions, or multiplayer editing to a web application who need the notification tray, the read state, the per-user channel settings, and the email digest hook that come with that work, and who are building in React.
Choose Novu if
Engineering teams who want notification infrastructure they can read, fork, and self-host if they need to, and small companies who want a real paid plan at $30 a month rather than a $250 floor.
Side by side
16 attributes| Attribute | Liveblocks | Novu |
|---|---|---|
| Category | Notifications | Notifications |
| Starting price | $0 (Free), then $30 per month (Pro), or $25 per month billed annually | $0 (Free or self-hosted), then $30 per month (Pro) |
| Pricing model | A credit balance per month shared across every meter (collaboration minutes, comments, custom notifications, and realtime storage), with a free plan, two published paid tiers, and pay-as-you-go rates once the credits are spent. | Usage-based on workflow runs (one run per triggered workflow regardless of how many channels it fans out to), with a free tier, two published paid tiers, quoted enterprise pricing, and a free open-source self-hosted option. |
| Free plan | Free includes 200 custom notifications a month, unlimited collaboration notifications, all six notification channels, notification settings, batching, pre-built components, 3,000 collaboration minutes, 200 comments, 3M realtime storage updates, 1 GB of realtime storage, 3 dashboard seats, and 10 simultaneous connections per room. | 10,000 workflow runs per month, up to 20 workflows, two environments, three team members, and 24 hours of activity feed retention, across every channel. |
| Free trial | No time-limited trial; the Free plan is permanent | No time-limited trial; the free cloud plan and the open-source distribution both serve as evaluation paths |
| Best for | Product teams adding comments, mentions, or multiplayer editing to a web application who need the notification tray, the read state, the per-user channel settings, and the email digest hook that come with that work, and who are building in React. | Engineering teams who want notification infrastructure they can read, fork, and self-host if they need to, and small companies who want a real paid plan at $30 a month rather than a $250 floor. |
| Setup time | A day to a working inbox if you are already using Comments, since the notifications generate themselves and the tray is a component. Two to four weeks for a full build that adds collaborative editing, custom notification kinds, and an email digest service you write yourself. | An afternoon for a cloud integration with the Inbox component. Self-hosting is a different project: a day or two to a working Docker deployment and considerably longer to something a team would trust in production, with MongoDB and Redis to operate afterwards. |
| Learning curve | Moderate. Rooms, projects, threads, inbox notifications, and notification settings are clean concepts, but the split between what Liveblocks stores and what your backend still owns takes a little while to internalise, and the credit model needs one careful read before anyone forecasts a bill. | Low for engineers. Subscribers, workflows, steps, and providers are clean concepts and the CLI quickstart gets a first notification flowing in minutes. Workflows as code is the part teams take longest to adopt, because it changes who owns a message change. |
| Platforms | Web dashboard, REST API, React and React UI packages, JavaScript client, Node.js server library, Webhooks | Web dashboard, REST API, CLI, React Inbox component, Self-hosted via Docker or Kubernetes, Private cloud deployment |
| Compliance | SOC 2, GDPR, HIPAA with a business associate agreement (paid add-on) | SOC 2 Type II, ISO 27001, GDPR, HIPAA support |
| Founded | 2021 | 2021 |
| Headquarters | Fully remote; Liveblocks Inc. is registered in Wilmington, Delaware, United States | Tel Aviv, Israel |
| Ownership | Venture-backed | Venture-backed, open-source core |
| Free tier volume | 200 custom notifications per month, collaboration notifications unlimited | 10,000 workflow runs per month |
| First paid tier | $30 per month, or $25 per month billed annually (Pro) | $30 per month (Pro) |
| Self-hosting | Not offered for the hosted service; the sync engine and dev server are open source | Yes, open source and self-hostable |
Strengths and limitations
Liveblocks
Strengths
- The notification tray, read state, per-user channel settings, and batching arrive as part of shipping comments and mentions, which is the work most teams were dreading anyway.
- All six delivery channels, notification settings, batching, and the pre-built components are available on the free plan, which almost nothing else in this category does.
- Collaboration notifications are unmetered on every plan, so the highest-volume notification type in a collaborative product costs nothing.
- Pro at $30 a month, or $25 billed annually, is the cheapest paid entry in the category by a very large margin.
Limitations
- Liveblocks never sends the email. It fires a webhook with the unread list and you compose and deliver the message yourself, which is real work the rest of this category absorbs for you.
- No SMS, no voice, and no mobile push beyond web push, so anything reaching a phone outside a browser needs another tool.
- Pre-built components are React. A Vue, Angular, or Flutter team gets APIs and builds the tray, which is the same complaint people make about Knock.
- The credit model pools four unrelated meters into one balance, which makes forecasting harder than a flat message allowance and hides which feature is spending the money.
Novu
Strengths
- Genuinely open source with a self-hostable core, which is the only real answer in this batch to data sovereignty, embedding, and vendor risk concerns.
- Pro at $30 a month is the cheapest meaningful paid tier among developer notification tools and fills the gap Knock's plan structure leaves wide open.
- The workflow-run meter is cheaper than per-message billing for any notification that fans out to more than one channel.
- The React Inbox component ships a real-time notification centre with preferences, snooze, and quiet hours in an afternoon, with a headless option for teams that want their own UI.
Limitations
- Self-hosting is free in licence terms only; running MongoDB, Redis, and the surrounding services is a permanent operational cost that small teams routinely underestimate.
- The free plan's 20-workflow, 2-environment, and 3-seat caps constrain growing teams before the run count does.
- Multi-tenancy, per-customer branding, and enterprise access controls are less developed than Knock's, which matters for B2B products with tenant-specific configuration.
- Small company on $7M raised holding a critical path position, mitigated but not eliminated by the open-source licence.
Pricing compared
Liveblocks
A credit balance per month shared across every meter (collaboration minutes, comments, custom notifications, and realtime storage), with a free plan, two published paid tiers, and pay-as-you-go rates once the credits are spent.
- Free$0
- Pro$30
- TeamFrom $600
- EnterpriseCustom
Judged as notification infrastructure, Pro at $30 a month is the cheapest credible option in this category by an order of magnitude, and the free plan is genuinely usable because the channel list and batching are not withheld from it. The reason it is cheap is that the expensive part, composing and sending the email, stays with you, and the notifications that would otherwise be metered are the ones the collaboration products generate for nothing. The model breaks down in two places: the credit pool makes the bill hard to forecast if collaborative editing is heavy, and the step from $30 to $600 arrives sooner than the number suggests once a team needs SOC 2, more than three console seats, or more than ten people in one room. Buy it when collaboration is genuinely part of the product; it is poor value as a general notification router.
Novu
Usage-based on workflow runs (one run per triggered workflow regardless of how many channels it fans out to), with a free tier, two published paid tiers, quoted enterprise pricing, and a free open-source self-hosted option.
- Free$0
- ProFrom $30
- TeamFrom $250
- EnterpriseCustom
Novu is the best-value paid plan in the developer notification category and the only one with a self-hosting escape hatch. Pro at $30 for 30,000 workflow runs is an order of magnitude cheaper than Knock's $250 floor, and the workflow-run meter is more forgiving than a per-message meter the moment you send to more than one channel. At 100,000 runs a month you are paying around $114 against Courier's $500 for a comparable message count. What you give up is maturity: the enterprise controls, multi-tenancy depth, and operational polish of Knock are ahead, the company is small, and self-hosting is only free if your engineers' time is worthless. For teams weighing cost against maturity, Novu is the value pick and Knock is the safe pick.
Editorial verdict on each
Liveblocks
Liveblocks is the right purchase when the notifications your product needs are about people working on the same thing. Add Comments or a collaborative editor and the inbox, the unread state, the per-user channel settings, the batching, and the email digest hook arrive with it, the notifications those features generate are never metered, and the paid plan starts at $30 a month against $249 or $250 everywhere else in this category. Two things should send you elsewhere. If your notifications are billing alerts, order updates, and system warnings with no collaboration behind them, you are buying a sync engine to get a tray and Knock, Courier, or SuprSend will serve you better. And if the messages have to reach a phone by SMS or native push, Liveblocks does not go there at all. For a React product adding collaboration, it is the cheapest good answer in the category by a distance.
Read the full Liveblocks profileNovu
Best ValueNovu is the value and control pick in developer notification infrastructure. Pro at $30 a month for 30,000 workflow runs undercuts every closed competitor by an order of magnitude, the workflow-run meter is more forgiving than per-message billing the moment a notification touches two channels, and the React Inbox component delivers the thing most teams actually came for in an afternoon. The open-source licence is not decoration: it is the only credible answer in this batch to data sovereignty requirements, to embedding notifications into a product you sell, and to the reasonable worry about putting critical path infrastructure on a company that has raised $7M. The costs are honest ones. Self-hosting is free only if your engineers' time is, multi-tenancy and enterprise controls trail Knock, and there is no marketing surface at all. For a five-person startup that needs an in-app notification feed and digests without a $250 monthly floor, Novu Cloud is the sensible first purchase in this batch, and the ability to self-host later is worth having even if you never use it.
Read the full Novu profileLiveblocks profile last reviewed 2026-09-13; Novu last reviewed 2026-09-07. Pricing is compiled from public sources and can change without notice. See our methodology.
The best in Notification Infrastructure
9 trackedNotification infrastructure platforms sit between an application and its delivery providers, turning one API call into orchestrated in-app, email, push, SMS, and chat notifications with batching, digests, preference centres, and per-tenant routing, so product teams stop rebuilding that logic in application code.
Batching, preference centres, and multi-tenancy are first-class rather than roadmap items, and workflows-as-code with environments and rollback makes a notification change a normal deploy.
$30 a month for 30,000 workflow runs, or nothing at all self-hosted, against a category whose next cheapest real plan is $110 and whose leader jumps from free to $250.
Founded in 2022 on roughly $1M, SuprSend shipped nine channels on the free tier, CLI environment promotion, an MCP server, and an Agent SDK while larger rivals were still writing about them.
The delivery planner turns cross-channel escalation into configuration: try in-app, fall back to email only if it goes unread, set as a rule rather than written as application code.
A visual designer that previews every channel on one canvas, and a bill that is $0.005 a send with no seats or channel fees, let a non-developer own the message end to end.
Frequently asked questions
6 questionsWhat is the difference between Liveblocks and Novu?
Both appeal to teams who want control, from different directions. Novu is open-source notification infrastructure with workflows, digests, an inbox component, and a self-hostable core, free to 10,000 events and around $30 a month on cloud. Liveblocks open-sources its sync engine but the notification service is hosted only, and its strength is that comments and mentions produce the notifications for you. At the same price point, pick Novu if you need workflow orchestration, digests across arbitrary events, or self-hosting. Pick Liveblocks if the notifications are collaboration events and you also want the commenting.
Is Liveblocks or Novu cheaper?
Liveblocks starts at $0 (Free), then $30 per month (Pro), or $25 per month billed annually. Novu starts at $0 (Free or self-hosted), then $30 per month (Pro). The billing models differ, so the entry price is rarely the whole cost. Liveblocks pricing model: A credit balance per month shared across every meter (collaboration minutes, comments, custom notifications, and realtime storage), with a free plan, two published paid tiers, and pay-as-you-go rates once the credits are spent. Novu pricing model: Usage-based on workflow runs (one run per triggered workflow regardless of how many channels it fans out to), with a free tier, two published paid tiers, quoted enterprise pricing, and a free open-source self-hosted option.
Does Liveblocks or Novu have a free plan?
Liveblocks has a free plan. Free includes 200 custom notifications a month, unlimited collaboration notifications, all six notification channels, notification settings, batching, pre-built components, 3,000 collaboration minutes, 200 comments, 3M realtime storage updates, 1 GB of realtime storage, 3 dashboard seats, and 10 simultaneous connections per room. Trial terms: No time-limited trial; the Free plan is permanent. Novu has a free plan. 10,000 workflow runs per month, up to 20 workflows, two environments, three team members, and 24 hours of activity feed retention, across every channel. Trial terms: No time-limited trial; the free cloud plan and the open-source distribution both serve as evaluation paths.
Who should choose Liveblocks?
Product teams adding comments, mentions, or multiplayer editing to a web application who need the notification tray, the read state, the per-user channel settings, and the email digest hook that come with that work, and who are building in React.
Who should choose Novu?
Engineering teams who want notification infrastructure they can read, fork, and self-host if they need to, and small companies who want a real paid plan at $30 a month rather than a $250 floor.
What are the best alternatives to Liveblocks and Novu?
SaaSTracker profiles 9 products in Notification Infrastructure. The Summer 2026 awards in the category went to Knock (Category Leader), SuprSend (Momentum), MagicBell (Innovation). Every profile is compiled from primary sources, so a shortlist can be built from pricing, limitations, and fit rather than from star ratings.
