iDempiere vs Accon ERP: Complete Comparison 2026
An in-depth comparison of features, pricing, and user experience to help you make the right choice.

iDempiere
6.9(100 reviews)
Community-driven open-source ERP forked from ADempiere, offering full accounting and distribution.
Accon ERP
Cloud ERP from Madrid for Spanish SMEs: accounting, CRM, warehouse, field service, time tracking and AI agents in one system.
Quick Comparison
| Aspect | iDempiere | Accon ERP |
|---|---|---|
| Best For | Distribution and trading companies with complex accounting needs | Spanish distribution, manufacturing and field service SMEs of 10-200 employees |
| Pricing Model | Open Source | Contact Sales |
| Starting Price | Contact Sales | Contact Sales |
| Deployment | self hosted | cloud |
| Platforms | WEB, WINDOWS, LINUX, MAC | WEB |
| Rating | 6.9/10 | 9.4/10 |
Pros & Cons
iDempiere
Pros
- Accounting engine refined over 20+ years β handles complex multi-dimensional bookkeeping
- Application dictionary lets power users customize forms without writing code
- Plugin architecture (OSGi) enables clean extensions without forking the codebase
- Completely free with no license fees β strong option where budgets are tight
- Multi-organization and multi-currency support works natively out of the box
Cons
- Small community of ~50-100 active contributors β slower bug fix turnaround
- UI is outdated with Java Swing desktop client and basic ZK web interface
- Requires 1-3 months for implementation β not a quick setup
- No official mobile app or responsive design for tablets
- Documentation assumes deep technical knowledge of Compiere data model
Accon ERP
Pros
- One integrated system: accounting, CRM, warehouse, field service and time tracking share the same data
- Sector-specific setups for distribution, manufacturing and technical service companies
- AI agents included in the family: invoice capture (Smart Finance) and 24/7 phone support (Smart Care)
- Accounting adapted to the SII, with automatic bank synchronisation
- Local implementation and support team in Madrid, plus the Accon Academy training portal
Cons
- No public pricing for the suite: you need a quote
- Not self-service: implementation runs through consulting
- Focused on Spain; limited use for multi-country groups
- Confirm connectors, data migration and applicable implementation costs in writing
Pricing Comparison
| Product | Pricing Model | Starting Price |
|---|---|---|
| iDempiere | open source | Contact Sales |
| Accon ERP | contact sales | Contact Sales |
Our Verdict
Choose iDempiere if...
Distribution and trading companies with complex accounting needs
Choose Accon ERP if...
Spanish distribution, manufacturing and field service SMEs of 10-200 employees
Still Not Sure?
Explore more alternatives or read in-depth reviews to make your decision.