Free AI tools for students: spend the allowance on learning
Evidence date: 2026-10-07

Decision criteria
Current free account limits, source support and institution rules.

Editorial evaluation scenario
Fictional class notes state that evaporation can happen below boiling temperature.
Answer the practice question in your own words, then compare it with the source. Keep a correction log for misconceptions rather than collecting more fluent summaries of the same topic.
Current free account limits, source support and institution rules.

Input / draft / final edit
Fictional class notes state that evaporation can happen below boiling temperature.
Flashcard says evaporation occurs only at boiling temperature.
Question: can evaporation happen below boiling? Answer: yes, according to the supplied notes. Add a source reference and ask the student to explain the distinction.

Before buying
NotebookLM
Documented: Google provides NotebookLM help covering sources and study workflows.
Check: Current free account limits, source support and institution rules.
Manual or conventional route
Documented: Use course notes and practice questions when an assistant would only paraphrase a paragraph you understand.
Check: Editorial workflow advice; this is not a measured comparison or vendor performance claim.

Official sources
https://support.google.com/notebooklm/

Record your own test: selected plan, date, input, output, corrections, export and total cost. This sheet does not claim a vendor test.