S-Protocol: Field Service CRM
Jobs, Scheduling & Invoices
About
Manage field service operations from job scheduling and dispatch to customer history and invoicing. This platform offers a secure workspace for businesses, with features for team communication, technician reporting, and payment processing. It's designed for various service industries, with a free plan and optional paid upgrades.
What's New in S
2.3
October 5, 2026
Version 2.3 brings improvements across S-Protocol to make daily field service work faster and more reliable. • Improved invoicing and payment workflows • Better job and customer management • Improvements to technician and dispatcher workflows • Performance and reliability improvements • Bug fixes and interface refinements We’re continuing to improve S-Protocol to make running your service business simpler from the office and in the field.
MoreSubscriptions & In-App Purchases
S Protocol Pro Monthly
Full access to S Protocol Pro features.
Developer apps
FAQ
What is S-Protocol used for?
S-Protocol is a field service management platform designed to help businesses schedule jobs, dispatch technicians, manage customer information, create estimates and invoices, and track technician earnings. It aims to streamline daily operations for service businesses.
What types of businesses is S-Protocol designed for?
S-Protocol is specifically designed for various field service businesses, including appliance repair, handyman services, HVAC, plumbing, electrical, cleaning, locksmiths, garage door services, and mobile mechanics.
Does S-Protocol have a free plan?
Yes, S-Protocol offers a free plan for businesses to get started. Optional paid upgrades are available for enhanced features and services.
What are the subscription options for S-Protocol?
S-Protocol offers 'S Protocol Pro' subscriptions, with options for monthly at $24.99/month and yearly at $249.99/year. These plans likely provide access to premium features beyond the free tier.
How secure is S-Protocol for business data?
Each company using S-Protocol has its own secure workspace. The platform also has a privacy policy detailing how user data is handled, which can be reviewed on their website.
What devices does S-Protocol support?
S-Protocol is available on iPhone, iPad, and iPod devices, making it accessible for field technicians and managers on the go.
How often is S-Protocol updated?
The latest version of S-Protocol is 1.8, and it was last updated on August 25, 2026. This indicates a relatively active development cycle for the application.
What is the user sentiment for S-Protocol?
S-Protocol has a perfect rating of 5.0 stars from 1 rating, suggesting a highly positive initial user experience. However, this is based on a very small sample size.
