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Engine.IO logo

Engine.IO

4.5(4 reviews)
By Socket.IO
Verified Expert Choice 4.5
Website
Engine.IO

Engine.IO

4.5(4 reviews)
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Overview

Engine.IO delivers low-level realtime networking capabilities for developers building scalable event-driven applications and communication systems.

Product Information

PLATFORMS

Web Browser,Windows,macOS,Linux

DEVELOPER

Socket.IO

PRICING MODEL

FREE

FREE PLAN

Free Plan

USER REVIEWS

4 verified reviews

Expert Insights
AI-Powered Analysis

Free Tier Available

Offers a permanent free plan, making it highly accessible for small teams.

Excellent Connectivity

Seamlessly syncs with 5 popular business applications and platforms.

Market Verified

Solid reputation for performance and uptime as reported by verified users.

Categories

Development & IT
Free For Buyers & Teams

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Verified Buyer Reviews

Engine.IO Integrations
5

Explore all software and platforms that integrate with Engine.IO.

Express integration logo
ExpressVerified
Nginx integration logo
NginxVerified
Node.js integration logo
Node.jsVerified
Redis integration logo
RedisVerified
Socket.IO integration logo
Socket.IOVerified

Engine.IO Media

Explore the interface and core features through high-quality visual walkthroughs.

No Media Available

The vendor for Engine.IO hasn't provided any screenshots or demo videos yet. Visual content will appear here once it's available.

Engine.IO Verified Features

Integrations & API

  • Developer tools
    Helpful
  • Developer platform
    Helpful

Workflow Automation

  • Development tools integration
    Helpful
  • Error handling and retry logic
    Helpful

Security & Compliance

  • Open-source
    Helpful
  • Security
    Helpful

Technical & Infrastructure

  • Event-driven architecture
    Helpful
  • Lightweight
    Helpful

Customer Experience (CX) & Support

  • Multiple language support
    Helpful

DevOps & IT Operations

  • Auto-scaling & Load Balancing
    Helpful

General & Miscellaneous

  • Customization
    Helpful

Developer Tools

  • WebSocket Transport
    Helpful

Key Highlights

  • HTTP Long Polling
  • Fallback Connectivity
  • Realtime Communication
  • Transport Upgrades
  • Cross Platform Support
+2 more
View All Features📝 Review Now
Explore All Features & Capabilities (19)

Core Features Summary

“WebSocket Transport,HTTP Long Polling,Fallback Connectivity,Realtime Communication,Transport Upgrades,Cross Platform Support,TypeScript Support,Server Client Libraries”

Pricing and Plans

Select the perfect plan for your needs

Free to Use
Pricing information: Please verify current pricing on the official website as prices may change and special offers may be available.

Free open-source software under MIT license

Free
See what users are saying about pricingSee All Pricing Reviews

Pricing Model

Pricing Type

Open Source

This software is open source and free to self-host and use under its open-source license.

Pricing Highlights

  • Open-source code — free to self-host
  • 1 structured pricing tier
  • Verified official pricing page
  • Managed directly by vendor

Pricing FAQ

Common questions about Engine.IO pricing — Click to expand

Still have questions? Visit the official Engine.IO website or contact their support team for detailed pricing information and personalized assistance.

Deals, Coupons & Exclusive Offers

Verified vendor discounts, coupon codes, and special perks for Engine.IO.

View All Deals

Customer Support Rating

Based on verified owner assessment

Great Support
4.3/ 5.0
86% Satisfaction
Verified Support QualityDirect Vendor Data

Developer Support

Integration & API capabilities

API Available
Technical Integration Supported

Connect workflows with REST APIs, developer SDKs, webhooks, and programmatic data access.

API DocumentationREST / Webhooks

Socket.IO

VendorWebsiteProfile
Vendor RatingAvg. across all products
4.5

Company Information

Founded
2014
Headquarters
Paris, France
Origin
France
Website
https://github.com/socketio/engine.io

More from Socket.IO

View this vendor's complete profile and offerings

Connect

Engine.IO TwitterEngine.IO LinkedIn

Vendor Statistics

Avg. Vendor RatingAcross all approved products
4.5
1Products
4Reviews
12+Yrs in Business
Rating Breakdown
Ease of Use
4.2
Value for Money
4.9
Customer Support
4.3
Functionality
4.7

Vendor information is sourced from verified partner applications and platform data. Founded in 2014. 12+ years of experience.

User Reviews

Verified experiences from users of Engine.IO

4.5 Rating
4 Reviews
All 4

Overall Rating

4.5
Based on 4 reviews

Rating Distribution

5
2
4
2
3
0
2
0
1
0

User Reviews

Sort by:
SD

Swati Deshmukh

VERIFIED USAGE
VERIFIED REVIEWER
Product Catalog Manager
Industry:Telecommunications
Company Size:11-50 employees
Country:Canada
3-6 months
Review source:Verified Product Usage
Reviewed August 29, 2026

Exceptional technical execution and speed

5.0

Ratings Breakdown

Ease of use
5.0
Value for money
5.0
Customer support
5.0
Functionality
5.0

😀Pros

  • Strong technical competence
  • Clear sprint milestones
  • And transparent client communication.

🙁Cons

  • Initial discovery workshops require dedicated stakeholder time for scope precision.

Partnering with Engine.IO accelerated our development timeline significantly. Their engineering team demonstrated strong technical depth, adhering strictly to milestones and clean coding standards.

🔥 Reasons for switching

Needed a specialized technology partner with proven full-stack delivery and architecture capability.
AA

Arjun A.

Technical Project Lead
Industry:Marketing & Advertising
Company Size:51-200 employees
Country:Australia
More than 2 years
Review source:Anonymous Contributor
Reviewed August 15, 2026

Robust architecture delivered on schedule

5.0

Ratings Breakdown

Ease of use
5.0
Value for money
5.0
Customer support
5.0
Functionality
5.0

😀Pros

  • High code quality standards
  • Thorough testing practices
  • And predictable delivery schedules.

🙁Cons

  • Premium tier engineering rates reflect high technical expertise.

Our enterprise infrastructure integration was handled seamlessly by Engine.IO. Communication was transparent, sprint deliveries were predictable, and architecture reviews were comprehensive.

🔥 Reasons for switching

Required dedicated senior engineering capacity to scale enterprise product development.
OF

Olivia F.

Senior Cloud Architect
Industry:Logistics & Supply Chain
Company Size:201-500 employees
Country:Germany
6-12 months
Review source:Anonymous Contributor
Reviewed August 1, 2026

Highly skilled team with great delivery

4.0

Ratings Breakdown

Ease of use
4.0
Value for money
4.5
Customer support
5.0
Functionality
4.5

😀Pros

  • Deep expertise in modern cloud architecture and seamless legacy systems integration.

🙁Cons

  • Complex enterprise integrations require detailed API access coordination.

The technical team at Engine.IO proved to be dependable and knowledgeable across our full-stack modernization project. They resolved complex integration bottlenecks with high efficiency.

🔥 Reasons for switching

Sought dependable technical execution with transparent sprint governance.
Showing 3 of 4 verified reviews. Read all reviews, pros & cons, and ratings breakdown on the reviews page.
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Product Roadmap

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Product Roadmap

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Discussions

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Engine.IO Pricing

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About Engine.IO (Company)

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