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Databases · head to head

Convex vs Oracle Database

Convex logo

Convex

Databases

Reactive backend combining a document database, TypeScript server functions and live queries, source-available under the Functional Source Licence.

From
Free
Rated
-
Full reviewWebsite
Oracle Database logo

Oracle Database

Databases

The world's most complete, reliable, and secure database

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Convex the Functional Source Licence is not an OSI open source licence: competing use is prohibited until each release reaches its second anniversary and converts to Apache 2.0, so you may self-host but you may not build a service on it.; Oracle Database high licensing costs for Enterprise Edition with option packs potentially doubling the effective per-processor cost
  • They diverge on capability: Convex covers Reactive queries, Oracle Database covers PL/SQL.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which Convex and Oracle Database actually diverge.

Attributes where Convex and Oracle Database differ
AttributeConvexOracle Database
Pricing modelsubscriptionUnknown
PlatformsWebOn-premises, Oracle Cloud, Linux, Windows, Unix
FoundedUnknown1977

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

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 Convex

  • Reactive queries
  • TypeScript server functions
  • ACID transactions
  • Document database
  • Scheduling and workflows
  • File storage
  • Text and vector search
  • End-to-end types

Only in Oracle Database

  • PL/SQL
  • Real Application Clusters
  • Data Guard
  • Advanced Compression
  • Partitioning
  • In-memory Database
  • Multitenant Architecture
  • Oracle Cloud

What people use each for

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

Convex

  • Collaborative applications where several users see the same data and every client must reflect a change immediatelynot Oracle Database
  • Agent backends that need durable state, scheduled work and transactional writes without assembling a queue, a database and a cachenot Oracle Database
  • Small product teams who need a complete backend, including auth integration, file storage and subscriptions, without hiring infrastructure engineersnot Oracle Database
  • Prototypes that must become production without a rewrite of the data layer, where end-to-end TypeScript types remove a class of integration bugsnot Oracle Database

Oracle Database

  • Transaction processingnot Convex
  • Data storagenot Convex
  • Application backendnot Convex
  • Reportingnot Convex
  • Data analyticsnot Convex

Where each one falls short

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

Convex

  • The Functional Source Licence is not an OSI open source licence: competing use is prohibited until each release reaches its second anniversary and converts to Apache 2.0, so you may self-host but you may not build a service on it.
  • Transactions are bounded at one second of user code, 16 MiB read and written, 32,000 documents scanned and 16,000 written, so every backfill, migration or bulk import has to be chunked into scheduled batches rather than written as a single operation.
  • There is no SQL and no query planner; you declare up to 32 indexes per table and traverse them, and joins are loops in TypeScript, so an unanticipated access pattern requires a schema and index change rather than a new query.
  • It is not an analytical database, so reporting means streaming data out to a warehouse and BI tools cannot be pointed at Convex directly, which adds a pipeline the architecture diagram did not originally include.
  • The application is written against Convex's function and client APIs rather than a standard protocol, so leaving means rewriting the data access layer and replacing the reactivity model, not repointing a connection string.

Oracle Database

  • High licensing costs for Enterprise Edition with option packs potentially doubling the effective per-processor cost
  • Requires skilled database administrators for proper setup, configuration, and maintenance
  • High hardware requirements increase infrastructure costs; less suitable for resource-constrained environments

Pricing, plan by plan

Convex

Free
  • Free & StarterFree
    • Supports 1-6 developers
    • Reactive database
    • File storage
  • Professional$25/month per developer
    • Supports up to 20 developers
    • All Starter features
    • Log streaming
  • Business & Enterprise$2500/month minimum
    • Supports 50+ developers
    • SAML/SSO
    • Service SLAs

Oracle Database

Free

No published plan breakdown. See the Oracle Database review.

Which should you pick?

Choose Convex if

  • You need reactive queries.
  • You want to start without paying.
  • You also want typescript server functions.
Convex review

Choose Oracle Database if

  • You need pl/sql.
  • You want to start without paying.
  • You work on On-premises, Oracle Cloud, Linux, Windows, Unix.
  • You also want real application clusters.
Oracle Database review

Questions people ask

Is Convex or Oracle Database better?
Neither clearly leads. Convex starts at Free and Oracle Database at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Convex or Oracle Database?
Convex starts at Free and Oracle Database at Free.
Does Convex or Oracle Database run on more platforms?
Convex runs on Web. Oracle Database runs on On-premises, Oracle Cloud, Linux, Windows, Unix.
Can I use Convex for free?
Both have a free tier, so you can try either at no cost before committing.
What is Convex best used for?
Convex is most often used for collaborative applications where several users see the same data and every client must reflect a change immediately, agent backends that need durable state, scheduled work and transactional writes without assembling a queue, a database and a cache, small product teams who need a complete backend, including auth integration, file storage and subscriptions, without hiring infrastructure engineers, prototypes that must become production without a rewrite of the data layer, where end-to-end typescript types remove a class of integration bugs. Of those, collaborative applications where several users see the same data and every client must reflect a change immediately and agent backends that need durable state, scheduled work and transactional writes without assembling a queue, a database and a cache are not what Oracle Database is typically brought in for.
What can Convex do that Oracle Database cannot?
Convex covers Reactive queries, TypeScript server functions, ACID transactions, Document database. Oracle Database covers PL/SQL, Real Application Clusters, Data Guard, Advanced Compression.

Answered from the vendors’ own pages

Convex: Is Convex open source?

It is source-available under FSL-1.1-Apache-2.0. You may read, modify and self-host it, but competing use is prohibited until each release converts to Apache 2.0 on its second anniversary.

Oracle Database: What is the licensing cost of Oracle Database Enterprise Edition?

Oracle Database Enterprise Edition is priced at 47,500 USD per processor as of April 2026. Named User Plus licensing costs 950 USD per user. Pricing varies based on licensing metric chosen.

Source
Convex: Can I self-host it?

Yes. The backend, dashboard and CLI can run on your own infrastructure, with most of the features of the cloud product. Self-hosted instances include a telemetry beacon that can be disabled.

Oracle Database: Does Oracle Database offer a free tier or trial?

Oracle Database offers Oracle Database Free Edition, a no-cost version for development and testing. However, no free trial is available for paid editions.

Source
Convex: Does it support SQL?

No. Data is accessed through a TypeScript query builder over declared indexes. Relationships are traversed in code, which is explicit and type-safe but means no ad hoc querying.

Oracle Database: What are the deployment options for Oracle Database?

Oracle Database can be deployed on premises or through Oracle Cloud Infrastructure. Pricing and features vary based on deployment model selected.

Source
Convex: What happens if a mutation exceeds the limits?

It fails rather than running longer, so bulk work must be split into batches and scheduled. The limits are per transaction: one second of user code, 16 MiB read and written, 32,000 documents scanned and 16,000 written.

Oracle Database: What database management capabilities does Oracle Database provide?

Oracle Database is a converged, multi-model database management system offering in-memory computing, NoSQL, and MySQL database options with comprehensive data management and security features.

Source
Convex: How does reactivity actually work?

Queries are deterministic functions and Convex records the data each one read. When a mutation changes that data, affected queries are re-run and subscribed clients receive the new result, so cache invalidation is handled by the platform.

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