HMI Pad vs Subframe

Comparing the features of HMI Pad to Subframe

Feature
HMI Pad
Subframe

Capability Features

AI Learns User Design
AI Prompt to UI
Cloud Storage for Projects
Custom Components
Custom HMI Editor
Custom Plan Custom AI Model
Custom Plan Dedicated Slack Support
Custom Plan Import Components
Custom Plan Project Limit
Unlimited
Dashboard Creation
Documentation Available
Reference ManualQuick Start Guide
Drag and Drop Editor
Encrypted Communication
Free Viewer Seats
Incremental Adoption
Local Wireless PLC Network Access
Native iPad Apps
HMI Draw appHMI View appHMI Pad Service
Open-source Foundation
Physical iPad Security
PLC Validation Codes
Pro Plan AI Prototyping Beta
Pro Plan AI Usage
Unlimited AI usage
Pro Plan Custom Fonts
Process and KPI Tracking
Production-ready Code Export
Project Separation in View App
Real-time Collaboration
Real-Time Monitoring
Remote Access
Responsive Design Support
Run-Only Mode for End Users
SCADA Features Included
Scalable Process Data
From a few to a million process variables
Share Real Prototypes
Unlimited Team Size

Integration Features

HTML and ASP.net Compatibility
HTMLASP.net
iOS Compatibility
Major PLC Brand Support
Allen Bradley LogixAllen Bradley SLC 5 and MicrologixMitsubishi FXMitsubishi Q/LOmronOpto22Schneider ElectricSiemens S7WagoBeckhoffOther PLCs, RTUs over TCPOther PLCs, RTUs over serial line
Native Communication Protocols
Ethernet/IPPCCC embedded in Ethernet/IPMelsec MC-1EMelsec MC-3E (coming soon)Fins/TCPOpto22/NativeModbus/TCPSiemens ISO/TCP
Next.js Integration
Non-Native Communication Protocols
Modbus/TCPModbus/RTU
React Code Export
TailwindCSS Support
Vite Support

Limitation Features

Free Plan AI Limitations
Limited AI features
Free Plan Version History
24 hour version history
Melsec MC-3E Protocol Coming Soon
Coming soon
No Built-in CSV Import/Export Mentioned
No Explicit Pricing Plan Details
No Explicit User/Project Limits Listed
No Free Tier Mentioned
No Windows/Android Support Stated
Pro Plan Page Limit
Unlimited
Pro Plan Prototype Limit
Unlimited
Pro Plan Version History
7 day version history

Pricing Features

Custom Plan Price
Let's talk
Free Plan Pages Limit
5
Free Plan Price
$0 per editor/month
Free Plan Project Limit
1
Free Plan Prototype Limit
1
Pro Plan Price
$29 per editor/month
Pro Plan Project Limit
3
Student & Educator Discounts
Trial or Free Tier