Sprockline Support

Help and product information for Sprockline.

Getting Started

Mechanical drive studio for roller chains, sprockets, V-belts, timing belts, center distance, wrap angle, speed ratio, chain length, service factor, and shaft loads.

Included Features

Chain-drive ratio and geometry
Length and shaft-load screen
Driver-tooth sensitivity
Local installation evidence

Common Questions

Does the app need an account, subscription, or in-app purchase?
No. It is a one-time paid download with no account, advertising, analytics, subscription, or in-app purchase.

Does it work offline?
Yes. Core features and bundled material work without a developer-operated service.

Where is my information stored?
Your editable inputs, imported rows, saved work records, comparison settings, and export history, plus images you deliberately select remain in local app storage.

What are the limits?
Drive calculations are planning estimates. Confirm manufacturer ratings, shock factors, alignment, lubrication, guards, shaft loads, service environment, and machine safety.

Contact

Email support@shadowfetch.com with the app name, device model, iOS version, and a concise description of the issue.