Liveblocks vs SuprSend
An independent, review-free comparison compiled by the SaaSTracker editorial team. Both products are profiled in full, and neither can pay for placement here.
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The short answer
Both sides assessedLiveblocks compared with SuprSend
SuprSend is full orchestration for product teams: channel routing, vendor fallback, preferences, WhatsApp and Microsoft Teams, batching, free to 10,000 notifications and paid from around $110 a month. Liveblocks covers a narrower slice at a lower price and brings comments, mentions, and multiplayer editing with it. If the requirement is a routing layer over several vendors, SuprSend. If the requirement is a tray full of mentions in a collaborative product, Liveblocks costs a fraction and does more of the surrounding work.
SuprSend compared with Liveblocks
SuprSend is the full routing layer: vendor fallback, preferences, batching, WhatsApp, Microsoft Teams, in-app inbox, free to 10,000 notifications and paid from about $110 a month. Liveblocks covers less ground on purpose and costs $30, because the notifications that matter to it are generated by comments, mentions, and document activity rather than by arbitrary backend events. If the job is routing many message types across several vendors, SuprSend. If the job is an unread badge next to a comment thread in a React product, Liveblocks does it for less and brings the commenting.
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 SuprSend if
Product and engineering teams at B2B or B2C software companies who have outgrown scattered notification code, need batching, preference management, and an in-app inbox done properly, and want one workflow layer over the email, SMS, push, and chat providers they already pay for.
Side by side
17 attributes| Attribute | Liveblocks | SuprSend |
|---|---|---|
| Category | Notifications | Notifications |
| Starting price | $0 (Free), then $30 per month (Pro), or $25 per month billed annually | $0 (Free), then $110 per month (Essentials) |
| 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. | Tiered subscription metered on notifications triggered, where one notification is one message to one recipient on one channel and a batched digest counts once. Annual billing saves roughly 10 percent. Enterprise offers an alternative monthly tracked user model. |
| 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. | Free includes 10,000 notifications a month, unlimited channels, unlimited team members, branching and conditions, lists and broadcasts, and the in-app feed with SuprSend branding. |
| Free trial | No time-limited trial; the Free plan is permanent | New accounts unlock all premium features for 30 days, after which the account transitions to the Free plan. |
| 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. | Product and engineering teams at B2B or B2C software companies who have outgrown scattered notification code, need batching, preference management, and an in-app inbox done properly, and want one workflow layer over the email, SMS, push, and chat providers they already pay for. |
| 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. | A day to trigger a first workflow and drop the inbox component into a React app. Two to four weeks for a full migration of scattered notification code, most of which is finding all the places your codebase currently sends something. |
| 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. | Moderate for engineers, who need to understand the user, object, workflow, and preference model before the design decisions make sense. Low afterwards for non-engineers, since template and copy changes happen in the dashboard without a deployment, which is the main organisational benefit. |
| Platforms | Web dashboard, REST API, React and React UI packages, JavaScript client, Node.js server library, Webhooks | REST API and backend SDKs, React, Angular, Vue, and Next.js inbox components, React Native, Android, iOS, and Flutter SDKs, CLI for environment promotion, MCP server |
| Compliance | SOC 2, GDPR, HIPAA with a business associate agreement (paid add-on) | SOC 2 posture published by the vendor, GDPR, HIPAA with a business associate agreement on Enterprise |
| Founded | 2021 | 2022 |
| Headquarters | Fully remote; Liveblocks Inc. is registered in Wilmington, Delaware, United States | San Francisco, United States, with engineering in Bengaluru, India |
| Ownership | Venture-backed | Venture-backed |
| Free tier volume | 200 custom notifications per month, collaboration notifications unlimited | 10,000 notifications per month |
| First paid tier | $30 per month, or $25 per month billed annually (Pro) | $100 per month billed annually ($1,200 a year, Essentials) |
| Paid tier volume | $30 of monthly credits, then $0.005 per custom notification | 50,000 notifications per month on Essentials, then $2 per 1,000 |
| Self-hosting | Not offered for the hosted service; the sync engine and dev server are open source | Not offered; managed cloud only |
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.
SuprSend
Strengths
- Batching and digest, Wait Until, and timezone-aware delivery are the three hardest notification problems to build correctly and SuprSend treats all three as core rather than as roadmap items.
- Bring your own delivery vendors means you keep your sending reputation, your existing provider contracts, and your per-message pricing, and the platform fee is honestly separated from delivery cost.
- Nine channels including WhatsApp, Slack, and Microsoft Teams are available on every plan including free, rather than being gated as premium channels.
- The free tier at 10,000 notifications a month with unlimited channels and unlimited team members is genuinely enough to run a small product in production.
Limitations
- Batching, digest, user preferences, and object modelling are all gated to the $275 Business tier, which is the single most questionable packaging decision in the product.
- Essentials and Business include identical notification volume, and Business has a worse overage rate, so the upgrade is purely for features and the pricing page does not make that obvious.
- Adoption requires engineering: trigger instrumentation, user and object modelling, and provider configuration all come before a marketer or product manager can touch anything.
- Delivery costs sit outside the subscription, so the true monthly cost is the platform fee plus your ESP, SMS, and WhatsApp bills, and buyers comparing against all-in tools underestimate it.
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.
SuprSend
Tiered subscription metered on notifications triggered, where one notification is one message to one recipient on one channel and a batched digest counts once. Annual billing saves roughly 10 percent. Enterprise offers an alternative monthly tracked user model.
- Free$0
- Essentials$110
- Business$275
- EnterpriseCustom
Modelled for a product with 5,000 users, notification volume rather than user count is what matters, and most products at that size sit inside the free 10,000 a month or just above it, so realistic spend is $0 to $110. At 50,000 users you are likely into six-figure monthly notification volumes, which means Business at $275 plus overages at $5 per 1,000, so a product sending 200,000 notifications a month lands around $1,025. That is expensive relative to raw sending, but the comparison is not against an ESP bill, it is against the engineering cost of building batching, preferences, an inbox, and channel fallback and then maintaining them. Two engineer-weeks a year of avoided maintenance covers the Business tier. The awkward part of the pricing is that batching and preferences, the two features that most justify buying the category at all, sit behind the $275 tier while the $110 tier gets neither.
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 profileSuprSend
MomentumSuprSend is a well-judged product that takes the genuinely hard notification problems seriously. Batching and digest, Wait Until, timezone-aware delivery, preference enforcement, and object-based subscribers are the things teams build badly by hand and then maintain forever, and having them as configuration rather than code is worth real money. Bringing your own delivery providers is the right architecture, and the free tier at 10,000 notifications with all nine channels is generous enough to prove the case before spending anything. Two reservations. Batching and preferences sit on the $275 Business tier while the $110 tier includes the same volume and neither feature, which makes the practical entry price higher than the pricing page suggests. And this is infrastructure from a small company on about a million dollars of seed funding, so weigh that against the criticality of the path it sits in. For a product team with a real notification fatigue problem and an engineer to spend a fortnight on it, it is one of the strongest choices in this space.
Read the full SuprSend profileLiveblocks profile last reviewed 2026-09-13; SuprSend 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 SuprSend?
SuprSend is full orchestration for product teams: channel routing, vendor fallback, preferences, WhatsApp and Microsoft Teams, batching, free to 10,000 notifications and paid from around $110 a month. Liveblocks covers a narrower slice at a lower price and brings comments, mentions, and multiplayer editing with it. If the requirement is a routing layer over several vendors, SuprSend. If the requirement is a tray full of mentions in a collaborative product, Liveblocks costs a fraction and does more of the surrounding work.
Is Liveblocks or SuprSend cheaper?
Liveblocks starts at $0 (Free), then $30 per month (Pro), or $25 per month billed annually. SuprSend starts at $0 (Free), then $110 per month (Essentials). 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. SuprSend pricing model: Tiered subscription metered on notifications triggered, where one notification is one message to one recipient on one channel and a batched digest counts once. Annual billing saves roughly 10 percent.
Does Liveblocks or SuprSend 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. SuprSend has a free plan. Free includes 10,000 notifications a month, unlimited channels, unlimited team members, branching and conditions, lists and broadcasts, and the in-app feed with SuprSend branding. Trial terms: New accounts unlock all premium features for 30 days, after which the account transitions to the Free plan.
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 SuprSend?
Product and engineering teams at B2B or B2C software companies who have outgrown scattered notification code, need batching, preference management, and an in-app inbox done properly, and want one workflow layer over the email, SMS, push, and chat providers they already pay for.
What are the best alternatives to Liveblocks and SuprSend?
SaaSTracker profiles 9 products in Notification Infrastructure. The Summer 2026 awards in the category went to Knock (Category Leader), Novu (Best Value), 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.
