Time Master Client

Time Master Client
Developer: 🇺🇸 On-Core Software LLC
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Time Master Client Summary

Time Master Client is a free, with in-app purchases iOS app in Business by On-Core Software LLC. Released in May 2026 (4 months ago). Store last updated May 29, 2026

Time Master Client SDKs Summary

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App Description

Time Master Client is the field companion to Time Master + Billing — designed for businesses that need their on-the-go team connected to the office.

Perfect for contractors, service companies, and any business with field staff, Time Master Client lets workers in the field effortlessly track time, log expenses, and optionally generate invoices — all from their device. When the job is done, data syncs seamlessly back to the Time Master + Billing app, keeping your office and field teams perfectly in sync.

NOTE: Time Master Client requires an active installation of Time Master + Billing to function. It is not a standalone app.
It requires a Monthly or Yearly subscription to export data back to the Time Master + Billing app.

Features:
- Track time by start, stop and/or by duration
- Sessions option can track "punch-in & out" for a single time entry
- Single or multiple running timers
- Timers keep running even if you are not running the app
- Time Entries are by Client and can be sub-categorized by Project and Tasks
- Powerful billing rates that can be defined in the following priority: Global, by Client, by Project, by Task or Custom per entry
- Powerful Time Rounding: by hour, minutes and/or seconds
- Multiple Filters to sort and view only what you need to see
- Define the day of the week that your work week starts
- Track Expenses - from Mileage to Meals to Burning CD's and anything else you want to define
- Display Reports right on your device that you can view and export via email in HTML and/or CSV format. By Client or Timesheet
- Copy Client information from your Contacts list
- Dual taxes for countries such as Canada
- Import IIF files
- Full Backup & Restore capabilities
- and so much more!

OPTIONAL INVOICING:
- Invoicing (requires the main Time Master + Billing app to have the optional Invoice module): If you want to do billing directly from your iPhone or iPad then look no further. The most powerful invoicing module built directly into Time Master. Professional PDF invoices can be emailed to the client, including your own logo.

Time Master can track both time and expenses. You can track time using start and stop times, duration, and/or timers. All time entries are tracked for a single day, so time entries cannot be greater than 24 hours. It will allow you to time across days, for example if you start a job at 8 p.m. and finish at 2 a.m., it w