Grindstone

Spec sheet

Purpose

Grindstone is a free app for keeping track of time spent on work.Read 11 Oct 2026 · epiforge.com

Free plan

YesRead 21 Sep 2026 · epiforge.com

Paid from

5Read 21 Sep 2026 · epiforge.com

API

Grindstone Sync includes a REST Web API, and administrators can create API keys for third-party access to team data.Read 11 Oct 2026 · support.epiforge.com

Security

Grindstone Sync says passwords are secured with encryption, app connections can be revoked, and communications use SSL encryption.Read 11 Oct 2026 · support.epiforge.com

Support

Epiforge lists tutorial videos, user manuals, a discussion forum, and specialist support as support options.Read 11 Oct 2026 · epiforge.com

Away time

When you return after leaving your computer, Grindstone asks how to record the time you were away and adjusts the recorded time.Read 11 Oct 2026 · epiforge.com

Cloud hosting

Grindstone Sync Cloud is hosted in Microsoft Azure and managed and monitored by Epiforge technicians.Read 11 Oct 2026 · support.epiforge.com

Custom fields

Users can create custom properties, including list properties for items such as clients.Read 11 Oct 2026 · epiforge.com

Data export

YesRead 21 Sep 2026 · epiforge.com

Desktop app

YesRead 21 Sep 2026 · epiforge.com

Offline tracking

YesRead 21 Sep 2026 · epiforge.com

Permissions

Sync administrators can control whether members create, modify, or delete work items and properties, limit how late time slices can be edited, and restrict work item visibility by assignment.Read 11 Oct 2026 · support.epiforge.com

Project tracking

YesRead 21 Sep 2026 · epiforge.com

Reporting

Users can export view contents or copy them to the clipboard, and the graph feature can create graphical or tabular representations.Read 11 Oct 2026 · epiforge.com

Self-hosting requirements

Grindstone Sync Server can run on a customer’s own network and requires Windows Server and SQL Server licenses.Read 11 Oct 2026 · epiforge.com

Team features

Grindstone Sync brings team time tracking together and supports assignments with due dates, estimates, and completion dates.Read 11 Oct 2026 · support.epiforge.com

Time tracking

The timer creates a time slice when you start working on a work item and can create a new work item from its name.Read 11 Oct 2026 · epiforge.com

Views and reminders

Views can filter tracked entities and notify users when entries meet the view’s filters, including reminders for due dates and estimates.Read 11 Oct 2026 · epiforge.com

Windows requirements

The Grindstone 4 manual lists Windows 7 SP1, Windows 8.1, Windows 10, and specified Windows Server versions as supported operating systems.Read 11 Oct 2026 · epiforge.com

Plans and prices

Every Grindstone plan and price →

Where Specifiction places it

• Time Tracking Software#9 of 778.8
• Time tracking apps#31 of 788.2