GratisAI error ledger · mistake audit · free tier

1 · Paste the misses

intake

A few words of the question plus what went wrong. The classifier reads the words.

This tool computes in your browser tab. Nothing you type is uploaded, and nothing is stored on our servers — the work stays in this tab. Redact names and identifying details before you paste anything sensitive.
This is a working tool, not professional advice. Check the important outcome with a qualified human before you rely on it.

2 · The ledger

ready

Mistake log — $4 one-time

Free tier: unlimited audits, forever.

  • Saved mistake log — keep audits across tests — estimate: ~15 min saved per exam.
  • Study-sheet export — the ranked plan on one page — estimate: ~10 min saved.
  • Cross-test comparison — two audits side by side — estimate: ~8 min saved.

Your one-time purchase stays with you on this device — no account needed, and everything remains private in your browser.

GratisAI turns your wrong answers into a mistake-type tally and a ranked fix plan — free, nothing uploaded.