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Realm.io VS SignalDB

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

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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.

SignalDB logo SignalDB

reactive local javascript database
  • Realm.io Landing page
    Landing page //
    2023-05-04
  • SignalDB Landing page
    Landing page //
    2023-10-26

Category Popularity

0-100% (relative to Realm.io and SignalDB)

Realm.io

SignalDB

Databases
83 83%
Databases
17% 17
NoSQL Databases
82 82%
NoSQL Databases
18% 18
Data Integration
100 100%
Data Integration
0% 0
Developer Tools
0 0%
Developer Tools
100% 100

Questions and Answers

As answered by people managing Realm.io and SignalDB.

What's the story behind your product?

SignalDB's answer:

The creator of SignalDB, Max Nowack, was inspired by his past experiences working with Meteor.js, which offered a seamless developer experience, particularly in handling real-time data synchronization and reactivity. Over time, as he explored other frameworks and tools like Apollo/GraphQL, FeathersJS, Firebase, Appwrite, Supabase, and RxDB, he found that none of them matched the Developer Experience of Minimongo and Meteor on the frontend side. The discovery of signals in SolidJS led him to grasp its connection to the reactivity he had previously worked with in Meteor, which eventually inspired the creation of SignalDB to bring Meteor-like reactivity to modern JavaScript frameworks.

Which are the primary technologies used for building your product?

SignalDB's answer:

JavaScript, TypeScript

What makes your product unique?

SignalDB's answer:

SignalDB is unique for its MongoDB-like interface, TypeScript support, optimistic UI, and signal-based reactivity across multiple frameworks. It offers a universal interface that integrates well with various JavaScript frameworks and libraries through reactivity adapters, including Angular, Solid.js, Preact, Vue, among others. SignalDB's schema-less design, in-memory storage, and rapid query performance simplify data management, enhancing the developer experience significantly.

Why should a person choose your product over its competitors?

SignalDB's answer:

A person might choose SignalDB over its competitors for several reasons:

  • Its MongoDB-like interface allows developers to use common selectors without having to learn new things.
  • It offers first-class TypeScript support ensuring type safeness during development.
  • SignalDB's optimistic UI and signal-based reactivity facilitate real-time data updates and synchronization.
  • Its universal interface and pre-built adapters for numerous libraries make it highly compatible with various JavaScript frameworks.
  • The schema-less design and in-memory storage ensure rapid query performance and simplified data management

How would you describe your primary audience?

SignalDB's answer:

Developers looking for a reactive local JavaScript database solution that easily integrates with various JavaScript frameworks and libraries, who appreciate a MongoDB-like interface and TypeScript support for a type-safe development environment.

Who are some of the biggest customers of your product?

SignalDB's answer:

  • VineForecast GmbH

User comments

Share your experience with using Realm.io and SignalDB. For example, how are they different and which one is better?
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Social recommendations and mentions

Based on our record, Realm.io should be more popular than SignalDB. It has been mentiond 24 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.

Realm.io mentions (24)

  • 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 / 8 months 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 / 9 months 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: 11 months 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 1 year ago
  • Firebase vs MongoDB atlas
    There is some crossover between the BaaS of Firebase and what MongoDB Atlas is offering if you are developing using Atlas Sync and Realm. Even so, there is a whole lot more you can find in terms of tutorials and community support for Firebase so it is hard to know how many of the Mongo claims are just future bugs for your project vs what people are currently doing with Firebase. Source: over 1 year ago
View more

SignalDB mentions (3)

  • Using SignalDB with React: A complete guide
    SignalDB is a reactive, signal-based, client-side JavaScript database designed for modern web apps. It offers a powerful MongoDB-like interface for data handling through an intuitive API with first-class TypeScript support. This database technology is available via the signaldb npm package. - Source: dev.to / 2 months ago
  • SQLSync – Stop Building Databases
    I'm trying to achieve something similar with SignalDB: https://signaldb.js.org/. - Source: Hacker News / 5 months ago
  • SignalDB: Bringing Meteor-Like Reactivity to the Modern Age
    Learn more about SignalDB and also check out the documentation at https://signaldb.js.org. - Source: dev.to / 6 months ago

What are some alternatives?

When comparing Realm.io and SignalDB, 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.

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

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.

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

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

ShareDB - Realtime database backend based on Operational Transformation (OT)

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