Compare eYssen
eYssen, Odoo and other ERPs, side by side.
eYssen is built on Odoo 18 Community. Compare it with Odoo Community and Odoo Enterprise area by area, then with three other popular Odoo alternatives: ERPNext, Microsoft Dynamics 365 Business Central and Holded. The AI features are compared with Odoo Enterprise 20.
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Part 1
eYssen, Odoo Community and Odoo Enterprise
Licence & hosting
IncludedPartlyNot available |
eYssenNo licence fee | Odoo CommunityOdoo CEFree, core apps | Odoo EnterpriseOdoo EEPer-user licence fee |
|---|---|---|---|
| Licence feeWhat you pay for the software itself | None | None | Per user, per month |
| Source code & self-hostingRun it on your own servers | with licence | ||
| Managed hostingHosting, updates and backups handled for you | eYssen Cloud subscription | Odoo Online / .sh |
Finance & AccountingFeature details
IncludedPartlyNot available |
eYssenNo licence fee | Odoo CommunityOdoo CEFree, core apps | Odoo EnterpriseOdoo EEPer-user licence fee |
|---|---|---|---|
| Invoicing & paymentsCustomer and vendor invoices, payments | |||
| Financial reportsBalance sheet, P&L, ledgers, aged balances | |||
| Bank reconciliationRules and matching suggestions | |||
| Online bank syncAutomatic bank transaction import | growing | ||
| Assets & budgetsDepreciation, budget vs actual | |||
| Payment follow-upsMulti-level reminders | |||
| AI invoice scanningBills read into drafts |
Sales & CRMFeature details
IncludedPartlyNot available |
eYssenNo licence fee | Odoo CommunityOdoo CEFree, core apps | Odoo EnterpriseOdoo EEPer-user licence fee |
|---|---|---|---|
| CRM & quotationsPipeline, quotations, sales orders | |||
| Advanced pricelist rulesTags, price pairs, foreign-currency prices | |||
| Quotation versionsRevision history on quotations | |||
| Commissions & sales targetsSalesperson and team goals | |||
| Blanket sales ordersFramework agreements with call-offs | |||
| SubscriptionsRecurring contracts and invoicing | |||
| RentalRent out products | |||
| Payment-risk controlOverdue warnings, delivery hold until paid |
WebshopFeature details
IncludedPartlyNot available |
eYssenNo licence fee | Odoo CommunityOdoo CEFree, core apps | Odoo EnterpriseOdoo EEPer-user licence fee |
|---|---|---|---|
| Website & eCommerceWebsite builder and online shop | |||
| Typo-tolerant, fast searchTrigram search tuned for large catalogues | |||
| Stock rules per warehouseWhat the shop may sell, per warehouse | |||
| EU Omnibus 30-day priceLowest recent price next to discounts | |||
| Region & currency selectorLanguage, country and pricelist in one step | |||
| Returns (RMA) portalCustomers request returns online | |||
| Shopify & Unas connectorsSync with external webshops | |||
| Amazon & Shopee connectorsMarketplace integrations |
Warehouse & LogisticsFeature details
IncludedPartlyNot available |
eYssenNo licence fee | Odoo CommunityOdoo CEFree, core apps | Odoo EnterpriseOdoo EEPer-user licence fee |
|---|---|---|---|
| Inventory & multi-warehouseStock, transfers, routes | |||
| Barcode appScanning for all stock operations | |||
| Consignment stockGoods owned by partners | |||
| Hungarian carriersGLS, MPL, Foxpost labels and COD | |||
| International carriersDHL, UPS, FedEx and others | |||
| EKAER notificationsRoad transport reporting to NAV | |||
| IntrastatEU trade statistics | |||
| Quality, PLM & MPSManufacturing extras |
PurchasingFeature details
IncludedPartlyNot available |
eYssenNo licence fee | Odoo CommunityOdoo CEFree, core apps | Odoo EnterpriseOdoo EEPer-user licence fee |
|---|---|---|---|
| Purchase orders & blanket agreementsRequests for quotation, agreements | |||
| Supplier feed importXML, CSV and SOAP catalogues | |||
| Pricelist importBulk import from spreadsheets | |||
| Price change historyEvery price change recorded |
Point of SaleFeature details
IncludedPartlyNot available |
eYssenNo licence fee | Odoo CommunityOdoo CEFree, core apps | Odoo EnterpriseOdoo EEPer-user licence fee |
|---|---|---|---|
| Point of SaleShops, restaurants, payment terminals | |||
| Central POS groupsManage many tills in one place | |||
| Product restrictions per shopControl what each shop sells | |||
| Hungarian POS invoicingInvoices from POS orders | |||
| Per-product margin reportsAcross shop and POS sales |
Projects, Service & HelpdeskFeature details
IncludedPartlyNot available |
eYssenNo licence fee | Odoo CommunityOdoo CEFree, core apps | Odoo EnterpriseOdoo EEPer-user licence fee |
|---|---|---|---|
| Projects & timesheetsTasks, time tracking, invoicing | |||
| Gantt viewPlan tasks on a timeline | |||
| Helpdesk & SLASupport with service levels | |||
| Field service & worksheetsOn-site jobs | |||
| Prepaid service creditCredit packages drawn down by tasks | |||
| Resource planningShift and resource scheduling |
HRFeature details
IncludedPartlyNot available |
eYssenNo licence fee | Odoo CommunityOdoo CEFree, core apps | Odoo EnterpriseOdoo EEPer-user licence fee |
|---|---|---|---|
| Employees, time off, recruitmentCore HR | |||
| Performance reviews & 360°Review cycles and multi-source feedback | |||
| Objectives & OKRsGoals with measured check-ins | |||
| Competency frameworkSkills, requirements, gap analysis | |||
| PayrollSalary calculation | salary sheets + external payroll | no Hungarian rules | |
| Hungarian HR dataFEOR-08, PIT reliefs, contributions |
CollaborationFeature details
IncludedPartlyNot available |
eYssenNo licence fee | Odoo CommunityOdoo CEFree, core apps | Odoo EnterpriseOdoo EEPer-user licence fee |
|---|---|---|---|
| Knowledge baseInternal wiki | |||
| E-signatureSign documents online | |||
| DocumentsDocument management | |||
| Online appointmentsPublic booking with payment | |||
| WhatsAppMessaging from records | |||
| ApprovalsApproval workflows | invoice approval | ||
| VoIPCalls from the browser |
AI, Customisation & TechFeature details
IncludedPartlyNot available |
eYssenNo licence fee | Odoo CommunityOdoo CEFree, core apps | Odoo EnterpriseOdoo EEPer-user licence fee |
|---|---|---|---|
| AI platform & agentsProviders, agents, logging | compared with Enterprise 20 | ||
| No-code customisationAdapt fields, views and flows | own tools | Studio | |
| DashboardsKPIs and charts | |||
| Mobile appNative phone app | |||
| Background exports & printingNo timeouts on large jobs | |||
| REST APIIntegration interface | XML-RPC / JSON-RPC | XML-RPC / JSON-RPC | |
| IoT & marketing automationDevices and campaigns |
AI: eYssen vs Odoo Enterprise 20Feature details
We compared the eYssen AI apps with the AI apps of Odoo Enterprise 20, feature by feature. The column on the right is Odoo Enterprise 20, not version 18.
IncludedPartlyNot available |
eYssenNo licence fee | Odoo Enterprise 20Odoo EE 20AI apps of version 20.0 |
|---|---|---|
| Platform & AI models | ||
| Choice of AI providerWhich AI models do the work | OpenAI, Anthropic, Gemini, xAI, OpenRouter | Odoo's own AI service only |
| Your own API keys and costsPay the AI vendor directly, see the cost of every call | per-user rate and cost limits | prepaid IAP credits |
| Open-source AI modulesCode you can read, audit and extend | LGPL-3 | Enterprise licence |
| AI agentsOwn instructions, skills and knowledge sources | ||
| Agent-to-agent delegationAn agent hands a sub-task to another agent | never widens access rights | |
| Extended reasoningThink longer on hard questions | ||
| Web searchAnswers from current web pages | Tavily, Brave, Firecrawl or direct | |
| Image generationImages in the media dialog and on products | plus image enhancement | |
| Everyday assistant | ||
| Ask AI on every screenChat panel, command palette, quick prompts per app | ||
| Find and analyse data by sentenceOpens lists, pivots and charts, adjusts filters | ||
| Create and update records by chatChanges are shown for confirmation first | ||
| Writing assistantWrite, rewrite, shorten and translate in editors and emails | ||
| Read attached filesSummarise or explain a PDF or document | ||
| Long-term memoryRemembers rules and facts across conversations | user, company and agent level | agent edits its own instructions |
| Automation | ||
| AI fieldsField values filled in by AI from the record | ||
| AI in server actions and automationsHand records to an agent or let AI set a field | ||
| Build automations by chatDescribe the rule, the agent sets it up | ||
| Scheduled agent workRecurring jobs done by an agent | ||
| Knowledge & documents | ||
| Knowledge sources with citationsFiles, web pages and a crawler; answer from sources only | ||
| Knowledge articles and documents as sourcesWiki articles and document folders | ||
| AI document filingFolder, tags and name proposed for uploads | ||
| Similar recordsRelated solved cases suggested | project tasks | Helpdesk tickets |
| Files in cloud storageAttachments kept in cloud buckets are indexed | ||
| Voice & meetings | ||
| Live dictationSpeak instead of typing | ||
| Call transcription and debriefSummary and action items after Discuss calls | ||
| Website & customers | ||
| AI live chat agentAnswers website visitors, hands over to a person | ||
| Leads from chatsCRM lead with summary and transcript | ||
| Preview cards in the chatProducts, events, blog posts, courses, jobs | plus appointments | |
| AI website builderPages from a brief, edits to existing pages and the footer, menus, brand kit | ||
| AI in the website editorSelect a block and ask; every change shown before it is applied | accept or reject each change | applied straight to the page |
| Undo every AI changePages, footer, menus, colours and CSS, one click per change | protected against later hand edits | page content in the editor only |
| AI page translationPages, menus and SEO texts in every website language | keeps existing translations | |
| Visual checkThe AI looks at a screenshot of the page it changed | reference pages only | |
| SEO assistantMeta tags, sharing picture and an SEO audit by AI | plus structured data | |
| Web form assistantForms wired to an action by AI | contact forms | |
| Product contentProduct descriptions and images | ||
| Website importRebuild an existing site from its address: pages, menu, footer, colours, languages | asks questions, takes your wishes, can be undone | through Odoo's own service |
| Products and blog posts from the old siteShop catalogue and articles moved with their pictures and redirects | Shopify, WooCommerce, WordPress; variants, currency | WooCommerce, PrestaShop, WordPress, Ghost |
| Business apps | ||
| Accounting report analysisAuditor and reviewer agents check the findings | ||
| Assign leads with AISales team and salesperson proposed | ||
| Timesheet assistantDraft a day of timesheets | ||
| Email marketingAI writer and subject line ideas | ||
| Helpdesk assistanceReply drafts, triage, SLA risk | in Projects with SLA | Helpdesk app |
| CAD drawings to bills of materialsParts and quantities from DWG/DXF files | ||
| Marketing automation and social postsCampaign builder, social media posts | ||
| ESG emission factorsAI assigns emission factors | ||
| Integration & control | ||
| MCP serverConnect Claude, ChatGPT and other AI apps to your data | OAuth 2.1 | |
| MCP for portal usersCustomers connect their own AI apps | ||
| External MCP serversUse tools of other systems in the assistant | ||
| Fine-grained AI permissionsCapabilities, per-model rules, blocked patterns | user's own access rights | |
| AI audit trailEvery AI change with old and new values | conversation history | |
Odoo Enterprise 20 compared on the basis of its AI apps in version 20.0, October 2026. AI usage in Odoo Enterprise runs through Odoo's own paid AI service (IAP credits); in eYssen you choose the AI provider and pay it directly.
Hungarian localisation
IncludedPartlyNot available |
eYssenNo licence fee | Odoo CommunityOdoo CEFree, core apps | Odoo EnterpriseOdoo EEPer-user licence fee |
|---|---|---|---|
| NAV Online SzámlaHungarian e-invoice reporting | complete | partly | |
| Hungarian accountingReports, eÁFA, ABEV/ÁNYK, KVTD | complete | partly | |
| Auditor data exportGL entries and inventory analytics (MKVK) | |||
| EKAERRoad transport reporting |
Spanish localisationVerifactu
IncludedPartlyNot available |
eYssenNo licence fee | Odoo CommunityOdoo CEFree, core apps | Odoo EnterpriseOdoo EEPer-user licence fee |
|---|---|---|---|
| Spanish accounting & taxesPGC 2008, IVA, recargo de equivalencia, IRPF | |||
| SIIImmediate supply of VAT records to the AEAT | |||
| Veri*FactuVerifiable invoicing, invoices and POS | |||
| TicketBAIBasque Country invoicing | |||
| FacturaeE-invoices to public administrations (FACe) | |||
| AEAT tax returns303, 390, 111, 115, 130, 190, 347, 349 and more | 15+ models | Modelo 130 only | |
| SEPA remittancesDirect debit and credit transfer files | |||
| Norma 43 bank statementsSpanish bank statement import | |||
| Online bank syncSpanish banks via PSD2 |
Romanian localisationFeature details
IncludedPartlyNot available |
eYssenNo licence fee | Odoo CommunityOdoo CEFree, core apps | Odoo EnterpriseOdoo EEPer-user licence fee |
|---|---|---|---|
| Romanian accounting & taxesChart of accounts (OMFP 1802), VAT, VAT on payment | |||
| RO e-FacturaB2B and B2C e-invoices through the ANAF SPV | B2C, storno, SPV inbox | ||
| Supplier bills from the SPVBills synchronised from RO e-Factura | |||
| e-TransportUIT codes for road transport of goods | |||
| D300 VAT returnComputed from the accounts, XML, DUKIntegrator check | tax report only | tax report only | |
| D390 and D394VIES recapitulative and domestic informative statements | EC sales list | ||
| SAF-T D406Monthly or quarterly, assets and stock | |||
| Annual financial statementsS1002–S1005 and S1027, with XML | balance sheet and P&L | ||
| D101 profit taxProfit tax and micro-enterprise tax | |||
| Romanian accounting registersTrial balance, general journal, account sheets | trial balance | ||
| Stock and cash documentsNIR, aviz, stock cards, receipts, cash book | |||
| Fixed assets (HG 2139/2004)Asset catalogue and Romanian depreciation | generic assets | ||
| BNR exchange ratesDaily National Bank of Romania rates | |||
| Romanian bank statementsMT940 and CAMT of Romanian banks | generic CAMT import | ||
| Romanian payrollSalary calculation |
Part 2
eYssen and other Odoo alternatives
Three systems that often come up when companies look beyond Odoo: open-source ERPNext, Microsoft Dynamics 365 Business Central, and Holded, the cloud suite popular in Spain.
IncludedPartlyNot available |
eYssenNo licence fee | ERPNextOpen source (Frappe) | Business CentralMS BCMicrosoft, per-user licence | HoldedCloud, monthly plans |
|---|---|---|---|---|
| Licence & hosting | ||||
| Licence feeWhat you pay for the software itself | None | None | Per user, per month | Monthly plans + add-ons |
| Open sourceSource code you can read and change | ||||
| Self-hostingRun it on your own servers | via partners | |||
| Managed hostingHosting, updates and backups handled for you | eYssen Cloud subscription | Frappe Cloud | Microsoft cloud | cloud only |
| Finance | ||||
| Accounting & financial reportsLedger, statements, taxes | ||||
| Online bank syncAutomatic bank transaction import | growing | Plaid | partner apps | |
| AI invoice scanningBills read into drafts | OCR service | |||
| Operations | ||||
| CRMLeads, opportunities, quotations | ||||
| Inventory & multi-warehouseStock, warehouses, transfers | paid add-on | |||
| ManufacturingBills of materials, production | Premium plan | paid add-on | ||
| WebshopOnline shop on the same system | app & connectors | Shopify connector | connectors | |
| Point of SaleShops and tills | partner apps | paid add-on | ||
| Projects & timesheetsTasks, time tracking, invoicing | ||||
| Helpdesk & SLASupport tickets with service levels | service orders | |||
| People & platform | ||||
| PayrollSalary calculation | salary sheets + external payroll | no Hungarian rules | partner apps | Spain only, add-on |
| Website builderCompany website on the same system | ||||
| No-code customisationAdapt fields, views and flows | own tools | developer extensions | custom fields | |
| Mobile appUse it from your phone | mobile web | |||
| Hungarian localisation | ||||
| NAV Online SzámlaHungarian e-invoice reporting | complete | partner add-ons | ||
| Hungarian accountingReports, eÁFA, ABEV/ÁNYK, KVTD | complete | partner add-ons | ||
| Spanish localisation | ||||
| Veri*FactuVerifiable invoicing, from 2027 | ||||
| SIIImmediate supply of VAT records to the AEAT | ||||
| AEAT tax returns303, 390, 111, 115, 130, 347, 349 and more | 15+ models | 347, 349 | most models | |
| TicketBAIBasque Country invoicing | partner apps | |||
| SEPA remittancesDirect debit and credit transfer files | community apps | |||
| Norma 43 bank statementsSpanish bank statement import | partner apps | bank sync instead | ||
| Romanian localisation | ||||
| RO e-FacturaB2B and B2C e-invoices through the ANAF SPV | partner apps | partner apps | ||
| SAF-T D406Romanian standard audit file | partner apps | |||
| ANAF tax returnsD300, D390, D394, D101 | partner apps |
Based on each vendor's public product information, September 2026. ERPNext, Microsoft Dynamics 365 Business Central and Holded are trademarks of their respective owners.
Odoo is a registered trademark of Odoo S.A. eYssen is an independent project and is not affiliated with, endorsed by or connected to Odoo S.A. Comparison based on version 18.0, September 2026; the AI section is compared with Odoo Enterprise 20.0, October 2026.
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