OpenPLC vs PLCnext

Comprehensive comparison of two leading PLC programming platforms

OpenPLC Project (Open Source)Phoenix ContactUpdated 2025

OpenPLC

OpenPLC Project (Open Source)

55
Overall Score
Price:free
Learning:intermediate
Adoption:10%

Completely FREE - no costs ever

PLCnext

Phoenix Contact

64
Overall Score
Price:$
Learning:intermediate-advanced
Adoption:25%

FREE programming software

Overall Winner

PLCnext leads with an overall score of 64/100

PLCnext is the stronger overall choice with better pricing. However, OpenPLC may be preferable if you prioritize pricing or if you're already committed to the OpenPLC Project (Open Source) ecosystem.

Score Breakdown

CategoryOpenPLCPLCnext
Overall
55
64
Pricing
100
100
Ease of Use
50
40
Features
63
69
Industry Adoption
18
38
Community Support
94
94
Career Value
23
58

💰Pricing Comparison

OpenPLC (free) is significantly more affordable than PLCnext ($). OpenPLC costs between $0 and $0, while PLCnext ranges from $0 to $2,000.

📚Learning Curve

OpenPLC (rated 6/10) is easier to learn than PLCnext (rated 7/10). OpenPLC typically takes 3-6 months to learn, while PLCnext requires 4-8 months. This makes OpenPLC better for beginners.

⚙️Features & Capabilities

OpenPLC offers 11 key features. PLCnext provides 11 key features with motion control. Both platforms offer a comprehensive feature set for industrial automation.

🏭Industry Adoption

PLCnext has 25% market adoption compared to OpenPLC's 10%. PLCnext dominates in Europe, North America, Asia-Pacific, while OpenPLC is strongest in Global (primarily education and research). PLCnext's higher adoption means more job opportunities and community resources.

🔌Hardware Compatibility

OpenPLC is designed specifically for Generic/Open Hardware hardware, while PLCnext works with Phoenix Contact PLCs. Both are vendor-specific solutions optimized for their respective hardware ecosystems.

💼Career Prospects

PLCnext offers stronger career prospects with 25% market adoption and official certification programs. OpenPLC has 10% adoption and is growing in market presence. For maximum employability, PLCnext expertise is more in-demand.

OpenPLC Overview

Key Strengths

  • Completely FREE - no costs ever
  • Open source - fully customizable
  • Runs on inexpensive hardware (Raspberry Pi)
  • Perfect for learning without financial investment

Limitations

  • Not suitable for commercial/industrial use
  • No official support (community only)
  • Limited features compared to commercial PLCs

Best For

Students learning PLC programmingHobbyists and DIY automationHome automation projects

PLCnext Overview

Key Strengths

  • FREE programming software
  • Open, modern architecture
  • Multiple programming language support
  • IoT and Industry 4.0 ready

Limitations

  • Relatively new platform (limited adoption)
  • Small user community
  • Fewer job postings

Best For

Industry 4.0 and IoT applicationsModern automation with cloud connectivityProjects requiring multiple programming paradigms

Recommendations

For Beginners

Both are suitable

For Professionals

Both are suitable

Budget-Constrained

Both are suitable

Enterprise Use

PLCnext

Frequently Asked Questions

Which is better: OpenPLC or PLCnext?

PLCnext is the stronger overall choice with better pricing. However, OpenPLC may be preferable if you prioritize pricing or if you're already committed to the OpenPLC Project (Open Source) ecosystem.

What is the price difference between OpenPLC and PLCnext?

OpenPLC (free) is significantly more affordable than PLCnext ($). OpenPLC costs between $0 and $0, while PLCnext ranges from $0 to $2,000.

Which is easier to learn: OpenPLC or PLCnext?

OpenPLC (rated 6/10) is easier to learn than PLCnext (rated 7/10). OpenPLC typically takes 3-6 months to learn, while PLCnext requires 4-8 months. This makes OpenPLC better for beginners.

Which has better career prospects?

PLCnext offers stronger career prospects with 25% market adoption and official certification programs. OpenPLC has 10% adoption and is growing in market presence. For maximum employability, PLCnext expertise is more in-demand.

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