One Call OS

Field service operations

Free

One Call OS is the operations app for One Call team members. The office and the field work from the same jobs, schedules, customers and paperwork, from the first phone call to the paid invoice. An account from your company administrator is required to sign in. One Call OS is a business tool for our team and is not intended for the general public. IN THE FIELD • Today: visits, open jobs, new leads and tasks at a glance • My Jobs and My Week: your assigned work and upcoming visits • Call, text, email or route to the customer in one tap • Add notes and jobsite photos to the job • Time clock: clock in and out, and log hours against a job • Receipts and costs: photograph a receipt and submit it for office approval • Mileage and company tools IN THE OFFICE • Leads: review website leads and turn them into jobs • Scheduler: see each technician's week and plan visits • Inbox: calls and texts matched to customers and jobs • Customers and service locations for homes and businesses • Estimates and invoices: send by email or text, record customer approval, and track every document from draft to paid • Awaiting Payment and Payables • Approvals: review submitted hours and costs in one queue • Profitability and analytics for managers • Service plans, pricebook, materials and plans BUILT FOR OUR TEAM • Role-based access: technicians see the work, while pricing and profit stay with the people who need them • Optional Face ID protects company and customer information • Arizona time throughout • Designed for iPhone and iPad, with sidebar navigation on iPad LOCATION While you are clocked in, One Call OS shares your precise location with dispatch and managers, including when the app is in the background. Clocking out stops sharing. Continued use of location in the background can decrease battery life.

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Easier to use, start to finish. • New jobs: customer and address come first, Return moves to the next box, and a phone number or name you searched fills itself in. • Open the new job, estimate or invoice right after you create it. • Estimates start from the job with the price book ready; record a customer's approval in two taps. • Lists show the customer's name first, and job search finds the customer before notes. • Send a payment reminder for an unpaid invoice in one tap, by email and text. • Plainer wording and clearer messages throughout. • Accounting and marketing open on their own screens. • Many smaller fixes.

The developer, Strategy Loom LLC, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .

  • Data Linked to You

    The following data may be collected and linked to your identity:

    • Financial Info
    • Location
    • Contact Info
    • User Content
    • Identifiers

Privacy practices may vary, for example, based on the features you use or your age. Learn More

The developer has not yet indicated which accessibility features this app supports. Learn More

Seller
Strategy loom llc
Size
68.9 MB
Category
Business
Compatibility
Requires iOS 16.4 or later.
  • iPhone
    Requires iOS 16.4 or later.
  • iPad
    Requires iPadOS 16.4 or later.
Location
This app may use your location even when it isn’t open, which can decrease device battery life.
Languages
English
Age Rating
4+
Copyright
© 2026 Ridge Builders Inc