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Realm.io VS React

Compare Realm.io VS React and see what are their differences

Note: These products don't have any matching categories. If you think this is a mistake, please edit the details of one of the products and suggest appropriate categories.

Realm.io logo Realm.io

Realm is a mobile platform and a replacement for SQLite & Core Data. Build offline-first, reactive mobile experiences using simple data sync.

React logo React

A JavaScript library for building user interfaces
  • Realm.io Landing page
    Landing page //
    2023-05-04
  • React Landing page
    Landing page //
    2023-04-19

Realm.io features and specs

  • Easy Integration
    Realm is designed to be easy to set up and integrate into existing projects, with straightforward APIs and comprehensive documentation.
  • Performance
    Realm provides high performance with minimal overhead. It's faster than many traditional databases for many use cases, especially with large datasets and complex queries.
  • Cross-Platform Support
    Realm supports multiple platforms including iOS, Android, and React Native, allowing for easy cross-platform development.
  • Real-Time Data Sync
    Realm offers real-time synchronization of data between devices and a server, ensuring consistency and enabling collaborative features.
  • Rich Data Types
    Realm supports complex data types such as lists and objects, making it more flexible for various types of applications.

Possible disadvantages of Realm.io

  • Learning Curve
    Despite extensive documentation, there can be a learning curve for developers new to Realm, particularly if they are accustomed to traditional SQL databases.
  • Storage Size
    Realm databases can become large quickly, especially if not properly managed, potentially impacting app performance and storage costs.
  • Limited Query Language
    While powerful, Realm's query language isn't as mature or feature-rich as SQL, which might limit some advanced querying needs.
  • Tooling
    The tooling ecosystem for Realm is not as extensive as those for more established databases like SQLite or MongoDB, which could impact developer productivity.
  • Vendor Lock-In
    Using Realm might lead to vendor lock-in, as migrating away from it to another database system can be complex and time-consuming.

React features and specs

  • Component-Based Architecture
    React encourages the creation of reusable UI components, which can be leveraged to build complex user interfaces efficiently. This promotes better code organization and separation of concerns.
  • Virtual DOM
    React uses a virtual DOM to optimize and accelerate the process of updating the browser’s DOM, significantly improving application performance.
  • Strong Community and Ecosystem
    React has a large and active community, which means plenty of third-party libraries, tools, and community support are readily available to assist developers.
  • JSX Syntax
    React’s JSX syntax allows developers to write HTML structures within JavaScript code, making the code more readable and easier to debug.
  • Unidirectional Data Flow
    React promotes a unidirectional data flow, which helps maintain the predictability and ease of debugging, especially for larger applications.
  • Extensive Documentation
    React's official documentation is comprehensive, well-organized, and provides numerous examples and tutorials to help developers get started and advance their skills.

Possible disadvantages of React

  • Steep Learning Curve
    React comes with a steep learning curve for beginners, especially those unfamiliar with JavaScript ES6 and JSX syntax.
  • Boilerplate Code
    Setting up a React project often requires boilerplate code, which can be cumbersome and time-consuming compared to simpler frameworks.
  • Fast-Paced Development
    React and its associated libraries evolve rapidly, necessitating frequent updates and learning new patterns, which can be overwhelming for developers.
  • Complexity in Larger Applications
    As a React application grows in size, managing state and props across components can become complex, sometimes necessitating additional state management libraries like Redux or Context API.
  • SEO Challenges
    React, being a JavaScript library, can present challenges for search engine optimization (SEO) due to Googlebot's limitations in executing JavaScript, although this can be mitigated with server-side rendering (SSR) or static site generation (SSG).

Realm.io videos

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React videos

What Is React?

More videos:

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  • Review - NIKE REACT INFINITY RUN FLYKNIT REVIEW | The Ginger Runner

Category Popularity

0-100% (relative to Realm.io and React)
Databases
100 100%
0% 0
Javascript UI Libraries
0 0%
100% 100
NoSQL Databases
100 100%
0% 0
Developer Tools
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 Realm.io and React

Realm.io Reviews

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React Reviews

Top JavaScript Frameworks in 2025
ReactJS is a JavaScript based UI development library which is developed by Facebook. It is an open-source framework which is widely used by developers for web development. One of the major reasons why React.JS is widely popular is because it uses Virtual DOM. This enables developers to create web applications faster.
Source: solguruz.com
The 20 Best Laravel Alternatives for Web Development
React’s the cool kid on the block, turning heads since Facebook dropped it at our feet. Building dynamic user interfaces feels less like coding, more like crafting with this JavaScript library.
Top 9 best Frameworks for web development
React uses a virtual DOM to optimize the performance of UI updates and follows a one-way data flow for easy tracking of data changes. With its active community and abundance of third-party resources and libraries, React is a solid choice for web development.
Source: www.kiwop.com
9 Best JavaScript Frameworks to Use in 2023
React can be used as a base in the development of single-page or mobile applications. However, React is concerned with rendering data to the DOM, so creating React apps usually requires additional libraries for state management, routing, and interaction with an API.
Source: ninetailed.io
JavaScript: What Are The Most Used Frameworks For This Language?
Some of its top features include server-side rendering, automatic code splitting, client-side routing, built-in CSS support, static site generation and API routes. Overall, Next.JS is a powerful and flexible framework that provides developers with a simple and intuitive way to build complex React applications with ease. It is widely used in the React community and has a...
Source: www.bocasay.com

Social recommendations and mentions

Based on our record, React seems to be a lot more popular than Realm.io. While we know about 814 links to React, we've tracked only 25 mentions of Realm.io. 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.

Realm.io mentions (25)

  • Release Radar · September 2024: Major updates from the open source community
    From the team at MongoDB comes Realm, a mobile database that runs directly inside phones, tablets, or wearables. It's built for mobile, and designed for offline use. The latest release comes with built-in Swift 6 language mode, and Xcode 16 support. Some breaking changes include removal of Atlas App Services and Atlas Device Sync functionality, Strings and Data now considered different types and thus queries won't... - Source: dev.to / 7 months ago
  • I built a WebComponents-based framework
    Looks really cool, I like to make very minimalistic dependency choices for the web apps I work on. Web Components look interesting and it's great to see frameworks that build upon it and provide features that are currently missing from it. When I landed on the page I remembered another Realm framework I used a lot long time ago. https://realm.io has the same name and the logo looks very similar too. Not sure if... - Source: Hacker News / over 1 year ago
  • Realm Database, Expo SDK 49 and Expo Router Getting Started
    Realm is a fast, scalable alternative to SQLite with mobile to cloud data sync that makes building real-time, reactive mobile apps easy. - Source: dev.to / over 1 year ago
  • Looking for android java developer mentor
    I would focus on Kotlin instead of Java, there's really no point in sticking to Java at this point. And when it comes to databases, some local ones that are pretty easy to get into are Realm and ObjectBox, SQLite can definitely be a bit overwhelming at the beginning. Source: almost 2 years ago
  • Want to build a simple database app....Where do I start
    Just to add to this, there's also Realm and ObjectBox as alternatives. Source: over 2 years ago
View more

React mentions (814)

  • Indie Hacking with Open Source Tools: Innovating on a Budget
    One inspiring example is a developer building a "Todoist Clone" using a combination of React, Node.js, and MongoDB. The developer tapped into open source libraries and community support to create a highly responsive task management application. This project underscores how indie hackers can achieve rapid development and adaptation with minimal budget – a theme echoed in several indie hacking success stories. - Source: dev.to / 7 days ago
  • Next.js Localization: How to Build a Multilingual Website with Next-Intl
    Next.js is a very popular framework built on top of the React.js library and it provides the best Development Experience for building applications. It offers a bunch of features like:. - Source: dev.to / 20 days ago
  • Web Development Using React Framework
    Explore the official React documentation. - Source: dev.to / about 1 month ago
  • Monorepo Tutorial With Lerna, Storybook & Next.js
    We’ll be creating the components package inside the packages directory. In this monorepo package, we’ll be building React components which will be consumed by our Next.js application (front-end package). - Source: dev.to / about 1 month ago
  • Migrating from AngularJS to React
    After evaluating our options including upgrading from AngularJS to Angular (the name for every version of Angular 2 and beyond) or migrating and rewriting our application in a completely new JavaScript framework: React. We ultimately chose to go with ReactJS. - Source: dev.to / about 1 month ago
View more

What are some alternatives?

When comparing Realm.io and React, you can also consider the following products

ObjectBox - ObjectBox empower edge computing with an edge device database and synchronization solution for Mobile & IoT. Store and sync data from edge to cloud.

Vue.js - Reactive Components for Modern Web Interfaces

Microsoft SQL Server Compact - Bring Microsoft SQL Server 2017 to the platform of your choice. Use SQL Server 2017 on Windows, Linux, and Docker containers.

Next.js - A small framework for server-rendered universal JavaScript apps

CompactView - Viewer for Microsoft® SQL Server® CE database files (sdf)

Svelte - Cybernetically enhanced web apps