Software Alternatives & Startups

PostgreSQL VS RxDB

Compare PostgreSQL VS RxDB and see what are their differences

PostgreSQL

PostgreSQL is a powerful, open source object-relational database system.

Rating
0 reviews
Pricing
Open source
RxDB

A fast, offline-first, reactive Database for JavaScript Applications

Rating
0 reviews
Pricing
Open source Freemium €400 / Annually

Which is more popular?

PostgreSQL might be a bit more popular than RxDB. We know about 19 links to it since March 2021 and only 14 links to RxDB.

social mentions
19 vs 14
Databases popularity
92% vs 8%
alternatives listed
237 vs 119

Base details

Website, pricing, platforms and company facts side by side.

PostgreSQL
RxDB
Website postgresql.org rxdb.info
Pricing
Open source Official pricing
Open source Freemium €400 / Annually Official pricing
Company Startup from the United States 2016
Listed in

About PostgreSQL and RxDB

In their own words, as submitted to SaaSHub.

PostgreSQL
RxDB

No description of PostgreSQL yet.

RxDB, which stands for Reactive Database, is a JavaScript-based NoSQL database designed for a wide range of applications such as websites, hybrid apps, Electron apps, progressive web apps, and Node.js. The "reactive" aspect of RxDB allows you not only to retrieve the current state of...

Read more about RxDB

Features and specs

What each product offers, as listed by its team.

PostgreSQL 7 features
RxDB 5 features
  • Open Source
    PostgreSQL is an open-source database management system, which means it is free to use, modify, and distribute. This reduces the cost of database management for individuals and organizations.
  • ACID Compliance
    PostgreSQL is fully ACID (Atomicity, Consistency, Isolation, Durability) compliant, ensuring reliable transactions and data integrity.
  • Extensible
    PostgreSQL is highly extensible, allowing users to add custom functions, data types, and operators. This enables tailored solutions to specific requirements.
  • Advanced SQL Features
    PostgreSQL supports advanced SQL features like full-text search, JSON and XML data types, and complex queries, providing powerful tools for database operations.
  • Community Support
    There is a strong and active community around PostgreSQL, offering extensive documentation, forums, and collaborative support, which aids troubleshooting and development.
  • Multiple Indexing Techniques
    PostgreSQL offers a variety of indexing techniques such as B-tree, GIN, GiST, and BRIN, allowing for optimized query performance on various data types.
  • Cross-Platform Availability
    PostgreSQL runs on all major operating systems (Windows, MacOS, Linux, Unix), giving flexibility in deployment and development environments.

Possible disadvantages

  • Complex Configuration
    Setting up and configuring PostgreSQL can be complex and time-consuming, especially for beginners, requiring a good understanding of its parameters and best practices.
  • Heavy Resource Consumption
    PostgreSQL can be resource-intensive, consuming significant CPU and memory compared to other database systems, which may affect performance on lower-end hardware.
  • Backup and Restore Process
    The backup and restore process in PostgreSQL is not as straightforward as in some other database systems, requiring more manual intervention and understanding of tools like pg_dump and pg_restore.
  • Replication Complexity
    While PostgreSQL supports replication, setting it up can be more complex than some other databases. Advanced configurations like multi-master replication can be particularly challenging.
  • Steeper Learning Curve
    Due to its advanced features and extensive capabilities, PostgreSQL can have a steeper learning curve, making it harder for new users to get started compared to simpler database systems.
  • Less Third-Party Tool Support
    PostgreSQL has less support from third-party tools compared to more widely adopted databases like MySQL, which can limit options for auxiliary functions like administration, monitoring, and development.
  • Offline-First Architecture
    RxDB is designed with an offline-first approach, allowing applications to function seamlessly without a constant internet connection by utilizing local storage and synchronizing with the server when online.
  • Reactive Data Stores
    The library offers real-time data synchronization and reactive data stores, enabling automatic updates to the UI when the underlying database changes.
  • Cross-Platform Compatibility
    RxDB works across various platforms, including web browsers, Node.js, and mobile devices, providing flexibility for developers in building cross-platform applications.
  • Flexible Schema Management
    RxDB supports JSON Schema for defining data models, allowing developers to enforce data consistency and validation effectively.
  • Replication and Sync
    Comes with built-in replication features that ensure easy data synchronization between client and server databases, helping maintain data consistency across different devices and users.

Analysis

An editorial look at what each product does well and who it suits.

PostgreSQL
RxDB

Overall verdict

  • Yes, PostgreSQL is considered a high-quality and reliable database management system, suitable for a wide range of applications, from small-scale personal projects to large enterprise systems.

Why this product is good

  • PostgreSQL is known for its strong support of SQL standards and excellent documentation, making it reliable for complex database requirements.
  • It provides advanced features such as multi-version concurrency control (MVCC), point-in-time recovery, and support for advanced indexing techniques.
  • PostgreSQL offers robust performance optimization options, powerful extensions, and a highly customizable platform.
  • It has a strong open-source community, ensuring ongoing improvements and support.
  • PostgreSQL is compatible with popular development frameworks and languages, enhancing its versatility.

Recommended for

  • Organizations seeking a scalable and stable database solution with strong compliance with SQL standards.
  • Developers who need advanced features like custom data types and indexing capabilities.
  • Projects requiring robust transactional integrity and data consistency.
  • Businesses looking for a cost-effective open-source database solution with active community support.

No analysis of RxDB yet.

Videos

Walkthroughs and reviews on video.

PostgreSQL 3 videos + Add
RxDB 0 videos + Add

Comparison of PostgreSQL and MongoDB

More videos

  • - PostgreSQL Review
  • - MySQL vs PostgreSQL - Why you shouldn't use MySQL

No RxDB videos yet. You could help us improve this page by suggesting one.

Category popularity

How often each product is chosen within a category, 0–100% relative to the other.

Score bands 0–20 21–40 41–50 51–60 61–100
PostgreSQL
RxDB
92% 92%
8% 8%
80% 80%
20% 20%
100% 100%
0% 0%
100% 100%
0% 0%

User comments

Share your experience with using PostgreSQL and RxDB. For example, how are they different and which one is better?

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Reviews and articles

External articles and on-site reviews we used to compare the two products.

PostgreSQL no reviews yet
RxDB no reviews yet

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Social recommendations and mentions

Recommendations tracked on public social media and blogs since March 2021.

PostgreSQL 19 mentions
RxDB 14 mentions

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  • Offline-First Landscape – 2025
    I’m doing offline-first apps at work and want to emphasize that you’re constraining yourself a lot trying to do this. As mentioned, everything fast(ish) is using SQLite under the hood. If you don’t already know, SQLite has a... - Source: Hacker News / about 1 year ago
  • Stop Syncing Everything
    > I'm thinking to give it a try in one of my React Native apps that face very uncertain connectivity. Some similar stuff you may want to investigate (no real opinion, just sharing since I've investigated this space a bit): -... - Source: Hacker News / over 1 year ago
  • Show HN: Triplit – Open-source syncing database that runs on server and client
    Looks like it could be a more batteries-included/opinionated alternative to RxDB (https://rxdb.info). The relational queries might help some people who tend to think in SQL as opposed to documents (as in CouchDB or MongoDB) and the... - Source: Hacker News / over 2 years ago

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Alternatives to PostgreSQL and RxDB

When comparing PostgreSQL and RxDB, you can also consider the following products.