ERPAG vs Opentaps: Complete Comparison 2026
An in-depth comparison of features, pricing, and user experience to help you make the right choice.
ERPAG
Free cloud ERP for micro and small businesses covering inventory, manufacturing, sales, and purchasing basics.
Opentaps
6.8(80 reviews)
Open-source ERP and CRM focused on warehousing, manufacturing, and supply chain management.
Quick Comparison
| Aspect | ERPAG | Opentaps |
|---|---|---|
| Best For | Micro-businesses with 1-20 employees needing their first ERP | Warehouse-centric operations needing barcode and fulfillment tracking |
| Pricing Model | Freemium | Open Source |
| Starting Price | Free | Contact Sales |
| Deployment | cloud | self hosted, cloud |
| Platforms | WEB | WEB, LINUX, WINDOWS |
| Rating | 7.4/10 | 6.8/10 |
Pros & Cons
ERPAG
Pros
- Genuinely free tier for 1 user with real ERP functionality
- Paid plans start at just $35/month — cheapest real ERP on the market
- Clean modern interface that runs entirely in the browser
- Impressive integration list: QuickBooks, Xero, Shopify, WooCommerce, Amazon
- Connected modules provide real ERP logic (sales triggers manufacturing triggers purchasing)
Cons
- Performance degrades beyond 20 users or thousands of SKUs
- No advanced planning, CRM, quality management, or field service
- Support operates on Belgrade (Serbia) business hours only
- Zero customisation options — no SDK, no custom modules, no scripting
- Small user community means limited peer support and third-party resources
Opentaps
Pros
- Strong warehouse management with barcode support, picking, packing, and shipping
- Tight integration between CRM, orders, and fulfillment modules
- Includes unique energy and sustainability tracking features
- Completely free with no license costs — only pay for hosting and customization
Cons
- UI feels outdated — built on mid-2000s web technologies
- Community is small and development activity has slowed significantly
- Requires Java developers for any meaningful customization
- Installation and configuration takes 2-4 days minimum
- No official mobile app or responsive design
Pricing Comparison
| Product | Pricing Model | Starting Price |
|---|---|---|
| ERPAG | freemium | Free0 |
| Opentaps | open source | Contact Sales |
Our Verdict
Choose ERPAG if...
Micro-businesses with 1-20 employees needing their first ERP
Choose Opentaps if...
Warehouse-centric operations needing barcode and fulfillment tracking
Still Not Sure?
Explore more alternatives or read in-depth reviews to make your decision.