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APIs · head to head

PocketBase vs PubNub

PocketBase logo

PocketBase

APIs

Open-source backend with REST API, real-time subscriptions and Admin UI

From
Free
Rated
-
Full reviewWebsite
PubNub logo

PubNub

APIs

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

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: PocketBase requires technical expertise to deploy and maintain; PubNub free plan storage history is limited to 7 days, which is short for apps needing longer message retention.
  • They diverge on capability: PocketBase covers REST API, PubNub covers Pub/sub messaging.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which PocketBase and PubNub actually diverge.

Attributes where PocketBase and PubNub differ
AttributePocketBasePubNub
Pricing modelUnknownfreemium
PlatformsLinux, Windows, macOS, FreeBSDweb, ios, android, api
Founded2021Unknown

Identical on both: starting price (Free), 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 PocketBase

  • REST API
  • Real-time subscriptions
  • Admin UI
  • SQLite
  • Webhooks
  • File storage
  • Go support
  • Docker support

Only in PubNub

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

What people use each for

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

PocketBase

  • Embedded realtime database with REST APInot PubNub
  • Backend-as-a-service for single-file deploymentsnot PubNub
  • Rapid application development with email/OAuth2 authenticationnot PubNub
  • File storage and media attachment managementnot PubNub
  • Lightweight alternative to Firebase or traditional backend infrastructurenot PubNub
  • Go and JavaScript customisable application frameworknot PubNub

PubNub

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

Where each one falls short

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

PocketBase

  • Requires technical expertise to deploy and maintain
  • No built-in hosting provided
  • Community support only

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.

Pricing, plan by plan

PocketBase

Free

No published plan breakdown. See the PocketBase review.

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

Which should you pick?

Choose PocketBase if

  • You need rest api.
  • You want to start without paying.
  • You work on Linux, Windows, macOS, FreeBSD.
  • You also want real-time subscriptions.
PocketBase review

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

Questions people ask

Is PocketBase or PubNub better?
Neither clearly leads. PocketBase starts at Free and PubNub at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, PocketBase or PubNub?
PocketBase starts at Free and PubNub at Free.
Does PocketBase or PubNub run on more platforms?
PocketBase runs on Linux, Windows, macOS, FreeBSD. PubNub runs on web, ios, android, api.
Can I use PocketBase for free?
Both have a free tier, so you can try either at no cost before committing.
What is PocketBase best used for?
PocketBase is most often used for embedded realtime database with rest api, backend-as-a-service for single-file deployments, rapid application development with email/oauth2 authentication, file storage and media attachment management. Of those, embedded realtime database with rest api and backend-as-a-service for single-file deployments are not what PubNub is typically brought in for.
What can PocketBase do that PubNub cannot?
PocketBase covers REST API, Real-time subscriptions, Admin UI, SQLite. PubNub covers Pub/sub messaging, Presence tracking, Message persistence, Serverless Functions.

Answered from the vendors’ own pages

PocketBase: How much does PocketBase cost?

PocketBase is completely free and open-source. It is a self-hosted backend solution with database, authentication, and file storage capabilities at no cost.

Source
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
PocketBase: Is PocketBase open-source?

Yes, PocketBase is open-source software. You can download, modify, and deploy it yourself at no cost with no licensing restrictions.

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
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
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