ARPASTOREMaking Life Easier
One App at a Time

Explore our collection of mobile apps for iOS and Android, as well as web applications designed to simplify your daily life. Stay up to date with news, report bugs, request features, or suggest ideas for new apps.

iPhone, iPad, Mac and Web apps

In addition to high-performance native mobile apps for iPhone, iPad, and Mac, we now offer powerful B2B SaaS solutions tailored to the needs of professionals and businesses. These web-based platforms provide advanced tools for productivity, client management, automation, and analytics — all accessible from anywhere and built with scalability, security, and ease of use in mind.

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B2B Professional Software

Solaris42 — quoting and project management for renewable energy professionals

Solaris42

An all-in-one platform designed to streamline the entire workflow for renewable energy professionals — from the initial quote to final client conversion. This app allows you to easily generate accurate quotes for solar, battery, and hybrid energy systems; manage leads and turn them into satisfied clients; and perform detailed energy assessments and technical calculations, all within a single, integrated tool. Whether you’re conducting feasibility studies, sizing systems, or preparing proposals, this solution simplifies complex processes and saves valuable time.

Solo Invoicing — invoicing, time tracking and analytics for freelancers

Solo Invoicing

→ soloinvoicing.com

The complete back office for freelancers and one-person studios, bringing invoicing, quotes, time tracking, expenses, and analytics together in a single workspace. Track billable hours with a timer that follows you from page to page, turn unbilled work into branded invoices, and let retainers and renewals take care of themselves. Built around EU VAT — domestic rates, intra-EU reverse charge, exempt and out-of-scope treatments — with the quarter's documents gathered on one page for your accountant. Hosted in the EU, available in nine interface languages, and exportable in a single click.

Studio Legale — client, case and document management for law firms

Studio Legale

A professional app designed specifically for law firms to efficiently manage clients, legal cases, and documents — all in one secure and intuitive platform. Whether you’re handling civil, criminal, or administrative matters, this solution simplifies day-to-day operations with powerful features for document archiving, case tracking, and client communication. Built with security and privacy at its core, the app ensures that sensitive legal data is handled with the highest standards of protection.