Focus Grade Calculator Chrome Extension Analysis

Listing positioning

Focus Grade Calculator positions itself as a secure, student-built, privacy-first utility designed specifically for the Focus School Software gradebook portal. It highlights real-time 'What If' calculations and inline score editing to let students model academic outcomes without leaving their portal. The listing stresses its ad-free, account-free nature, and guarantees that calculations mirror official grading logic locally.

Inferred product pattern

A local DOM-injecting simulator that modifies grade tables on Focus SIS portals to run instant calculations without backend database interactions.

Review-backed pain points

A few users run into general performance issues, describing the extension as slow or laggy under some conditions, while another note mentions it not working. There is also minor drama in the reviews from individuals accusing the developer of copying ideas or acting dishonorably.

Observed feature gaps

While the extension performs local calculations successfully, some users experience page lag. Additionally, because it is specifically tailored to the Focus School Software platform, it is incompatible with other student information systems like Canvas or PowerSchool.

Support

No support or account-blocking complaints were observed in the public feedback.

Reliability

Some performance friction exists, with reports of the extension being slow, laggy, or failing to work entirely on certain pages.

Privacy

No privacy or data leakage complaints were found. The extension runs entirely on local client logic.