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APIs · head to head

PubNub vs Sanity

PubNub logo

PubNub

APIs

Realtime communication platform for chat, IoT, and live data apps

From
Free
Rated
-
Full reviewWebsite
Sanity logo

Sanity

APIs

Headless CMS with real-time collaborative editing and structured content APIs

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: PubNub free plan storage history is limited to 7 days, which is short for apps needing longer message retention.; Sanity free plan limited to 10,000 documents and 100GB assets
  • They diverge on capability: PubNub covers Pub/sub messaging, Sanity covers Content API.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which PubNub and Sanity actually diverge.

Attributes where PubNub and Sanity differ
AttributePubNubSanity
Platformsweb, ios, android, apiWeb
FoundedUnknown2011

Identical on both: starting price (Free), pricing model (freemium), free tier (Yes), user rating (Not yet rated), category (APIs).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in PubNub

  • Pub/sub messaging
  • Presence tracking
  • Message persistence
  • Serverless Functions
  • File sharing
  • Encryption and access controls

Only in Sanity

  • Content API
  • Collaborative editing
  • Structured content
  • Webhooks
  • Third-party services
  • GROQ query language
  • Cloud support
  • JavaScript SDK support

What people use each for

The jobs each tool is most often brought in to do.

PubNub

  • Building realtime chat applicationsnot Sanity
  • Streaming live IoT sensor datanot Sanity
  • Adding presence indicators to collaborative appsnot Sanity
  • Running edge logic with serverless Functions on realtime eventsnot Sanity

Sanity

  • Headless CMS for structured content managementnot PubNub
  • Collaborative content editing with real-time multiplayer supportnot PubNub
  • API-driven content delivery with GROQ query languagenot PubNub

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

PubNub

  • Free plan storage history is limited to 7 days, which is short for apps needing longer message retention.
  • MAU-based pricing means costs scale directly with user growth, which can be less predictable than flat message-based pricing.
  • Pro-tier custom pricing above 50,000 MAU requires contacting sales rather than self-serve checkout.

Sanity

  • Free plan limited to 10,000 documents and 100GB assets
  • Free plan supports only public datasets
  • Growth plan capped at 50 seats maximum
  • Private datasets, scheduled drafts, and comments/tasks require paid plans
  • Annual billing unavailable for Growth plan; Enterprise-only

Pricing, plan by plan

PubNub

Free
  • FreeFree
    • Up to 200 MAU or 1M transactions
    • 1GB data storage (7 days)
    • 5 test Serverless Functions
  • Starter$98/month
    • 1,000 MAU included
    • User management
    • Insights
  • Pro$undefined/month
    • Custom MAU packages
    • Volume discounts
    • Enterprise-scale configurations

Sanity

Free
  • FreeFree
    • Up to 20 seats
    • 2 public datasets only
    • 10,000 documents included
  • Growth$15/month
    • Up to 50 seats per seat
    • 2 private or public datasets
    • 25,000 documents included
  • Enterprise$null/month
    • Custom seats
    • Custom datasets
    • Custom document limits

Which should you pick?

Choose PubNub if

  • You need pub/sub messaging.
  • You want to start without paying.
  • You work on web, ios, android, api.
  • You also want presence tracking.
PubNub review

Choose Sanity if

  • You need content api.
  • You want to start without paying.
  • You also want collaborative editing.
Sanity review

Questions people ask

Is PubNub or Sanity better?
Neither clearly leads. PubNub starts at Free and Sanity at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, PubNub or Sanity?
PubNub starts at Free and Sanity at Free.
Does PubNub or Sanity run on more platforms?
PubNub runs on web, ios, android, api. Sanity runs on Web.
Can I use PubNub for free?
Both have a free tier, so you can try either at no cost before committing.
What is PubNub best used for?
PubNub is most often used for building realtime chat applications, streaming live iot sensor data, adding presence indicators to collaborative apps, running edge logic with serverless functions on realtime events. Of those, building realtime chat applications and streaming live iot sensor data are not what Sanity is typically brought in for.
What can PubNub do that Sanity cannot?
PubNub covers Pub/sub messaging, Presence tracking, Message persistence, Serverless Functions. Sanity covers Content API, Collaborative editing, Structured content, Webhooks.

Answered from the vendors’ own pages

PubNub: What does PubNub cost?

PubNub offers a free plan for up to 200 MAU or 1 million transactions, a Starter plan at $98/month for 1,000 MAU, and custom Pro pricing for larger volumes, e.g. around $550/month for 10,000 MAU.

Source
Sanity: What does the Sanity Free plan include?

The Free plan includes up to 20 seats, 2 public datasets, 10,000 documents, 1 million API CDN requests per month, and 2 permission roles.

Source
PubNub: Is there a free plan, and what are its limits?

Yes, the free plan supports up to 200 monthly active users or 1 million transactions, includes 1GB of data storage retained for 7 days, and requires no credit card.

Source
Sanity: How much does Sanity Growth plan cost per user?

The Growth plan costs $15 per seat per month, with up to 50 seats, and includes 25,000 documents, 1 million API CDN requests, and 5 permission roles.

Source
PubNub: How is usage metered?

PubNub bills primarily by Monthly Active Users, defined as a unique user who connects at least once in a billing cycle; messages are bundled into MAU pricing with no separate per-message fees, and overage is billed proportionally.

Source
Sanity: What is included in Sanity Enterprise pricing?

Enterprise pricing is custom and requires contacting sales. It includes custom seat limits, custom datasets, Single Sign-On, and dedicated support.

Source
Sanity: Does Sanity offer annual billing discounts?

Annual and invoice payment options are available exclusively for Enterprise customers. Self-serve plans (Free and Growth) use monthly billing only.

Source
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