Accon Finanzas vs ContaSOL: Complete Comparison 2026

An in-depth comparison of features, pricing, and user experience to help you make the right choice.

Accon Finanzas

9.3

Accounting and invoicing module of Accon ERP: SII-adapted books, automatic bank sync, analytic accounting and AI invoice capture.

7.9(612 reviews)

Programa de contabilidad gratuito muy popular en España, con módulo opcional de facturación Verifactu (FactuSOL) y soporte para SII.

Aspect	Accon Finanzas	ContaSOL
Best For	Spanish SMEs under the SII that want accounting inside their ERP	Autónomos y microempresas con presupuesto muy ajustado
Pricing Model	Contact Sales	Freemium
Starting Price	Contact Sales	Free
Deployment	cloud	on premise, cloud
Platforms	WEB	WINDOWS
Rating	9.3/10	7.9/10

Tax reporting adapted to the SII, with annual accounts built in
Automatic bank synchronisation and real-time cash forecast
Analytic accounting with unlimited departments
AI invoice capture available through Accon Smart Finance (99.7% accuracy per the vendor)
Power BI integration for dashboards
Entries generated automatically from stock, sales and service modules

No public pricing
Makes most sense inside the full Accon ERP, less so as standalone bookkeeping
Implementation goes through consulting, not self-service signup
Confirm connectors, data migration and applicable implementation costs in writing