ContaSOL vs Accon Finanzas: Complete Comparison 2026
An in-depth comparison of features, pricing, and user experience to help you make the right choice.
ContaSOL
Programa de contabilidad gratuito muy popular en España, con módulo opcional de facturación Verifactu (FactuSOL) y soporte para SII.
Accon Finanzas
Accounting and invoicing module of Accon ERP: SII-adapted books, automatic bank sync, analytic accounting and AI invoice capture.
Quick Comparison
| Aspect | ContaSOL | Accon Finanzas |
|---|---|---|
| Best For | Autónomos y microempresas con presupuesto muy ajustado | Spanish SMEs under the SII that want accounting inside their ERP |
| Pricing Model | Freemium | Contact Sales |
| Starting Price | Free | Contact Sales |
| Deployment | on premise, cloud | cloud |
| Platforms | WINDOWS | WEB |
| Rating | 7.9/10 | 9.3/10 |
Pros & Cons
ContaSOL
Pros
- Versión gratuita real, no de evaluación con caducidad
- Base instalada masiva: encontrar ayuda en foros y YouTube es trivial
- Combinado con FactuSOL cumple Verifactu sin coste de licencia
- Actualizaciones legales y fiscales puntuales, incluidas en el plan anual
- Soporte técnico en castellano por personas con conocimiento contable real
Cons
- Software de escritorio Windows: no es cloud nativo
- Interfaz visualmente anticuada, curva de aprendizaje empinada
- Backup y sincronización son responsabilidad del usuario
- Necesitas combinar ContaSOL + FactuSOL para flujo completo Verifactu
- Para Mac o Linux toca virtualizar o usar la versión "Cloud" (escritorio remoto)
Accon Finanzas
Pros
- 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
Cons
- 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
Pricing Comparison
| Product | Pricing Model | Starting Price |
|---|---|---|
| ContaSOL | freemium | Free0 |
| Accon Finanzas | contact sales | Contact Sales |
Our Verdict
Choose ContaSOL if...
Autónomos y microempresas con presupuesto muy ajustado
Choose Accon Finanzas if...
Spanish SMEs under the SII that want accounting inside their ERP
Still Not Sure?
Explore more alternatives or read in-depth reviews to make your decision.