Software Alternatives, Accelerators & Startups

RxDB VS Parse

Compare RxDB VS Parse and see what are their differences

RxDB logo RxDB

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

Parse logo Parse

Build applications faster with object and file storage, user authentication, push notifications, dashboard and more out of the box.
  • RxDB Landing page
    Landing page //
    2023-07-20

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 the database but also to subscribe to all changes in the state, including query results or specific fields within a document. This feature is particularly advantageous for real-time user interface applications, as it facilitates development and offers notable performance benefits. Additionally, RxDB can be utilized to build efficient backends in Node.js.

  • Parse Landing page
    Landing page //
    2021-10-17

RxDB features and specs

  • 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.

Possible disadvantages of RxDB

  • Complex Initial Setup
    Setting up RxDB can be complex for newcomers, as it requires an understanding of its architecture and setup process, including replication and schema management.
  • Limited Community and Resources
    Compared to more established databases, RxDB has a smaller community, which can lead to fewer resources, tutorials, and third-party integrations available for developers.
  • Performance Overheads
    Due to its reactive nature and rich feature set, RxDB might introduce performance overheads, particularly in large-scale applications with extensive data operations.
  • Dependency on Third-Party Libraries
    RxDB depends on several third-party libraries, like PouchDB for local storage, which may lead to challenges in keeping dependencies updated and managing compatibility issues.
  • Browser Storage Limitations
    Since its offline capabilities rely on local storage, RxDB is subject to the inherent limitations of browser storage, which may affect data-heavy applications.

Parse features and specs

  • Open Source
    Parse Platform is open-source, which means it is free to use and can be customized to fit the needs of your application without any licensing fees.
  • Rich Feature Set
    Parse provides a wide range of built-in features such as a robust database system, real-time notifications, user authentication, cloud functions, and file storage, reducing the amount of development work needed.
  • Cross-Platform Support
    Parse supports multiple platforms including iOS, Android, JavaScript, .NET, and more, enabling easier development across different types of applications.
  • Community and Documentation
    There is a strong community around Parse with extensive documentation and numerous tutorials, which can help developers quickly resolve issues and learn best practices.
  • Unified Backend
    Parse allows developers to manage database, server code, and user authentication in one unified platform, simplifying backend management.

Possible disadvantages of Parse

  • Self-Hosting Complexity
    While Parse is open-source, it requires self-hosting, which involves managing and maintaining your own server infrastructure, adding operational complexity.
  • Performance
    Depending on your server setup and scaling needs, you might encounter performance issues, especially for high-traffic applications, requiring constant monitoring and fine-tuning.
  • Limited Scalability
    Parse might not be as scalable as other backend solutions like Firebase, particularly for apps that need to handle massive amounts of data and users.
  • Initial Setup Time
    The initial setup of a Parse server and its environment can be time-consuming and challenging, particularly for those without DevOps experience.
  • Feature Limitations
    While Parse offers a rich feature set, some advanced features available in other modern backend-as-a-service (BaaS) platforms may lack, necessitating custom development.

Analysis of Parse

Overall verdict

  • Parse is a good choice for developers looking for a flexible and scalable backend solution that can be deployed on their own servers or using cloud services. It is particularly beneficial due to its active community and extensive documentation.

Why this product is good

  • Parse is a popular open-source backend-as-a-service framework that simplifies app development by handling server-side components, freeing developers to focus on front-end development. It offers features like push notifications, cloud functions, social media integration, and a real-time database.

Recommended for

  • Developers who want an open-source solution with the freedom to self-host.
  • Teams building mobile or web applications that require a robust backend service.
  • Projects that need strong support for relational data and real-time functionalities.
  • Developers looking to avoid the overhead of writing custom backend code.

Category Popularity

0-100% (relative to RxDB and Parse)
NoSQL Databases
100 100%
0% 0
Developer Tools
24 24%
76% 76
Databases
100 100%
0% 0
Realtime Backend / API
0 0%
100% 100

User comments

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Reviews

These are some of the external sources and on-site user reviews we've used to compare RxDB and Parse

RxDB Reviews

10 Best Open Source Firebase Alternatives
Reactive Database or RxDB is a real-time NoSQL database for JavaScript apps such as progressive web apps, electron apps, PWAs, hybrid apps, and websites. Reactive means that you get to query the current state while subscribing to all state changes like the result of a single field of a document or query.

Parse Reviews

10 Top Firebase Alternatives to Ignite Your Development in 2024
If youโ€™re looking for a Firebase alternative that gives you full control and the freedom to tinker, Parse Platform is your jam. Again, itโ€™s a popular open-source framework loved by developers who want to build custom backends without being tied to a specific provider.
Source: genezio.com
Top 7 Firebase Alternatives for App Development in 2024
Back4App is a backend-as-a-service (BaaS) platform that uses Parse Server, the open-source version of the Parse backend. It simplifies backend development and management, providing developers with a robust platform for building modern applications.
Source: signoz.io
What is AWS Amplify? - AWS Amplify Alternatives
It is well-known for making the development process quick, easy, and simple. Using Parse, you may complete a day's worth of work in a few hours.
Source: mindmajix.com
2023 Firebase Alternatives: Top 10 Open-Source & Free
Community Support โ€“ If Firebase comes with the backing of Google, then Parse is also tested and trusted by Facebook. Yes, Facebook is the parent company of Parse. Therefore, it has a big community. You can find resources and solutions regarding Parse on GitHub, Stack Overflow and several other programming forums.
12 Best Open-source Database Backend Server and Google Firebase Alternatives
Parse server is an open-source database backend solution which speed up application building. It features database, user management, authentication, file upload and push notification.I used Parse for a few times, and I was satisfied with the speed and productivity it offers, especially in terms of developer tools as it comes with dozens of SDKs, libraries and sample code to...
Source: medevel.com

Social recommendations and mentions

Based on our record, Parse should be more popular than RxDB. It has been mentiond 21 times since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.

RxDB mentions (14)

  • Offline-First Landscape โ€“ 2025
    Iโ€™m doing offline-first apps at work and want to emphasize that youโ€™re constraining yourself a lot trying to do this. As mentioned, everything fast(ish) is using SQLite under the hood. If you donโ€™t already know, SQLite has a limited set of types, and some funky defaults. How are you going to take this loosey-goosey typed data and store it in a backend database when you sync? What about foreign key... - Source: Hacker News / 11 months 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): - https://rxdb.info. - Source: Hacker News / over 1 year ago
  • Show HN: Triplit โ€“ 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 WebSockets for synchronization will help people get started more quickly. (RxDB provides interfaces for those who want to implement their own storage engine and/or synchronization... - Source: Hacker News / about 2 years ago
  • HackNote
    Some years ago "offline-first" was a thing: https://web.archive.org/web/20170720174332/http://hood.ie/initiatives/#offline-first Primarily based on PouchDB/CouchDB. Now the site redirects to RxDB. https://rxdb.info/ There's still a site by that name but I don't quite understand what's the intention https://offlinefirst.org/. - Source: Hacker News / about 2 years ago
  • Ask HN: How Can I Make My Front End React to Database Changes in Real-Time?
    I'm interested in this problem also! I think there is a large overlap with projects that market/focus on offline-first experiences. AFAIK this problem can be solved by: 1) Considering a client-side copy of the database that gets synced with the remote DB. This is an approach [PowerSync](https://www.powersync.com/) and [ElectricSql](https://electric-sql.com/) and [rxdb](https://rxdb.info/) take! - Source: Hacker News / over 2 years ago
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Parse mentions (21)

  • Supabase Alternatives ๐Ÿ”„ in 2025 ๐Ÿ˜ผ
    Parse deserves mention primarily for its historical significance as the precursor that inspired the entire backend-as-a-service space. Founded in 2011, Parse pioneered many concepts that we now take for granted in modern BaaS platforms. - Source: dev.to / over 1 year ago
  • The 2024 Web Hosting Report
    Backend as a Service (BaaS) goes back to early 2010โ€™s with companies like Parse and Firebase. These products integrated everything a backend provides to a webapp in a single, integrated package that makes it easier to get started and enables you to offload some of the devops maintenance work to someone else. - Source: dev.to / over 2 years ago
  • How to set up a Parse Server backend with Typescript
    Parse Server is a great way to quickly spin up a backend for your project. Parse is a Node based utility that sits on top of ExpressJS. - Source: dev.to / over 3 years ago
  • Free online DB for production app
    You can try https://parseplatform.org/, it is self-hosted if you need. And also there are a number of cloud services with compatible API, like https://www.back4app.com/ It has dart-friendly generated API client, much simpler than firebase and is built on top of postgresql and mongodb. Source: almost 4 years ago
  • Supabase Series B
    Not to crash the party or anything. Supabase is great and all but in terms of feature completeness and getting actual products built, it doesn't come close to Parse[0]. Same with Appwrite. Both of these are very popular but they either lack essential features or have them behind a subscription wall. For example, the OSS version of Supabase (last I checked) doesn't include the edge functions which are really... - Source: Hacker News / almost 4 years ago
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What are some alternatives?

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

Firebase - Firebase is a cloud service designed to power real-time, collaborative applications for mobile and web.

PouchDB - Open-source JavaScript database inspired by Apache CouchDB that's designed to run well within the browser

AWS Amplify - JavaScript library for app development using cloud services

GUN - Self-hosted Firebase.

Back4App - Low code backend to build apps faster and scale easily.

SignalDB - SignalDB is a reactive, local-first JavaScript database designed for modern web applications. It combines signal-based reactivity with powerful local data management and real-time synchronization capabilities.