Spun - 2026 Pricing, Features, Reviews & Alternatives

Spun is a specialized invoicing and project management software designed for construction and renovation professionals operating in Spain. The platform serves contractors, plumbers, electricians, carpenters, painters and other trades within the construction industry. It provides a unified interface for the creation of professional estimates, compliant invoices and project oversight. It addresses the prevalence of verbal estimates and the reliance on spreadsheets or paper records for administrative tasks. It incorporates compliance with the Spanish electronic invoicing regime scheduled for mandatory adoption under national regulation, with non compliant solutions facing penalties up to fifty thousand euros annually.

The estimate module supports construction oriented structure with sections and detailed line items along with configurable tax settings, payment conditions and electronic acceptance. The invoicing component accommodates both reduced and standard VAT treatments according to project type, distinct invoice sequencing, corrective invoice issuance and full compliance with the electronic invoicing regulations including audit trail and mandated formatting. The project management module enables the definition of payment milestones, maintenance of a photographic project journal, handling of additional work requests and live monitoring of project margins without reliance on external spreadsheets. The automated collections capability uses sequenced reminders that escalate from courteous notices to formal demands. The dashboard presents a consolidated view of invoiced amounts, outstanding balances, expenses and profit metrics in a mobile first environment for use directly at project sites.

Spun operates as a self contained solution tailored to the Spanish construction sector and addresses specific fiscal requirements such as reduced VAT application for minor works, standard rates for commercial projects and withholding tax obligations. The platform’s electronic invoicing compliance framework ensures certified traceability and series management in alignment with national standards. It fulfils the needs of construction professionals seeking an industry oriented invoicing and project management tool without integration dependencies.