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Tech riderRev. 2 Oct 2026

RxDB

Ch 057.7of 31 Embedded Databases
  1. 1Runs onAndroid, API, iOS, Linux, Mac, self-hosted, Web, Windows
  2. 2CostsFree plan · paid from $99/mo
2 lines stated Written from the maker's own pages: rxdb.info
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The RxDB homepage

Overview

RxDB is ranked #5 of 31 in embedded databases on Specifiction. It runs on Android, API, iOS, Linux, macOS, Self-hosted, Web, Windows. There is a free plan. Paid plans start at $99/mo.

RxDB plans and pricing

All plans
Free Free forever RxDB core · replication and realtime sync · default storages · up to 13 open collections · community support rxdb.info · 2 Oct 2026
Pro $99/mo annually, unlimited developers OPFS · IndexedDB · SQLite · Filesystem · WebCrypto Encryption · Fulltext Search rxdb.info · 2 Oct 2026
Pro Plus $239/mo annually, unlimited developers Worker and Shared Worker storage · Sharding · Memory-Mapped · optimizers · Fastify/Koa adapters · Sentry-compatible logger rxdb.info · 2 Oct 2026
Enterprise Not published custom commercial license · named engineer · 24-hour first-response SLA · architecture review · priority fixes · source-code access rxdb.info · 2 Oct 2026

Compared on embedded databases

Free plan
Yesrxdb.info
Paid from
$99/morxdb.info

Facts

Product
RxDB is a NoSQL database for JavaScript that runs directly in an app.rxdb.info · 2 Oct 2026
Offline-first
RxDB stores data locally on the client, supports offline operation, and can run entirely without a backend.rxdb.info · 2 Oct 2026
Synchronization
Its Sync Engine supports realtime synchronization with backends including RxServer, GraphQL, Firebase, Supabase, MongoDB, NATS, HTTP, CouchDB, WebRTC, Appwrite, Google Drive, and Microsoft OneDrive.rxdb.info · 2 Oct 2026
Reactivity
RxDB provides observable realtime queries that update when stored data changes.rxdb.info · 2 Oct 2026
Runtimes
RxDB runs in browsers, mobile apps, desktop applications, and servers.rxdb.info · 2 Oct 2026
Storage
Documented storage options include LocalStorage, IndexedDB, OPFS, Memory, Node.js Filesystem, SQLite, Expo Filesystem, Dexie.js, MongoDB, DenoKV, and FoundationDB.rxdb.info · 2 Oct 2026
Schema
RxDB uses JSON Schema for collections, with schema validation and migration support.rxdb.info · 2 Oct 2026
Encryption
The encryption plugin encrypts locally stored documents with a password and works in browsers, React Native, and Node.js.rxdb.info · 2 Oct 2026
License
The free tier is under the Apache 2.0 license.rxdb.info · 2 Oct 2026
Free limit
The Free tier allows up to 13 open collections in parallel.rxdb.info · 2 Oct 2026
Support
Free users receive community support through GitHub and Discord, while Enterprise includes a support SLA with a 24-hour first response.rxdb.info · 2 Oct 2026
Production privacy
Deployed applications do not make requests from users to an RxDB server, and the premium plugins contain no tracking code.rxdb.info · 2 Oct 2026
Small datasets
The LocalStorage storage is intended for simple browser setups and very small datasets and is not optimized for large data or heavy writes.rxdb.info · 2 Oct 2026

Company

Headquarters
Stuttgart, Germanyrxdb.info · 28 Sept 2026

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All accessCh 01 ObjectBox Free planFree trialAndroid Free to start8.0 All accessCh 02 Chroma Free planAndroidAPI from $250/mo7.9 All accessCh 03 SQLite Free planAndroidAPI from $12.50/mo7.9 All accessCh 04 LadybugDB Free planAndroidAPI Free to start7.8 All accessCh 06 Qdrant Free planAPILinux Free to start7.6 All accessCh 07 RocksDB Free planAPIiOS Free to start7.5

Where it ranks on Specifiction

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Sources