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Colyseus vs Yjs: Which is Better in 2026?

A side-by-side comparison of Colyseus (Freemium) and Yjs (Free) — pricing, features, platforms, and user ratings.

TL;DR

Both Colyseus and Yjs are worth evaluating — neither has enough user reviews yet to declare a clear winner. Compare features and pricing below to find the best fit for your needs.

How Colyseus compares

 
Colyseus logo
ColyseusThis
Starting priceFreeFree
Pricing modelFreemiumFree
PlatformsWeb, macOS, Windows, LinuxWeb
Top features
  • Automatic state sync
  • Built-in matchmaking
  • Multi-engine SDKs
  • Shared Data Types
  • Network Agnostic
  • Offline Support
Rating

Choose Colyseus if…

  • you need mac or windows support
View Colyseus

Choose Yjs if…

  • you need a completely free solution
View Yjs

Frequently Asked Questions

What is the difference between Colyseus and Yjs?

Colyseus and Yjs are both tools in the same category. Colyseus is freemium — Open-source Node.js multiplayer framework with automatic state sync, built-in matchmaking, and SDKs for Unity, Godot, Defold, Construct 3, Haxe, GameMaker, and JavaScript. Yjs is free — Build real-time collaborative applications with shared data types that sync automatically — offline-first, network agnostic, and backed by a rich ecosystem of integrations.. The main differences are in pricing, platform support, and feature focus.

Which is better: Colyseus or Yjs?

Both Colyseus and Yjs are worth evaluating — neither has enough user reviews yet to declare a clear winner. Compare features and pricing below to find the best fit for your needs.

Is Colyseus free?

Colyseus offers a free tier with limited features. A paid plan is required for full access.

Is Yjs free?

Yes, Yjs is free.

What are the best alternatives to both Colyseus and Yjs?

If neither Colyseus nor Yjs meets your needs, you can browse alternatives on each product's alternatives page. MazikBox ranks alternatives by shared categories, platforms, pricing, and user ratings.