---
title: Route Your Wrong Answers Into the Fix That Matches Them — Free
description: List each wrong answer and why; the log sorts them into error lanes with counts, so the fix matches the cause instead of being the same drill for every mistake.
category: learning
last_verified: 2026-09-13
freshness: green
published: 2026-09-13
canonical_url: https://gratis-ai.pages.dev/articles/revision-error-log.html
companion_app_url: https://gratis-ai.pages.dev/apps/revision-error-log.html
reading_time_minutes: 5
tags: learning, revision-error
---

# Route Your Wrong Answers Into the Fix That Matches Them — Free

List each wrong answer and why; the log sorts them into error lanes with counts, so the fix matches the cause instead of being the same drill for every mistake.

**Free and complete.** This guide is a standalone free tool — no account, no card, anywhere. The only paid option is one optional extra outcome: $4 one-time. Nothing in the free tier is gated.

## Who it's for

Anyone seeking practical 100% free AI workflows — no paid API keys, credit cards, or subscriptions

## What's free

- Any number of wrong answers sorted
- Counts per error lane ranked by cost
- Copy the log as text
- Stateful link to any result

## Optional paid add-on

**$4 one-time.**

- Printable log with each lane's drill listed beside it — estimate: 12 minutes saved per set, basis: 5 errors re-sorted at ~2.4 minutes each
- Saved local history across sets — estimate: 8 minutes saved per set, basis: re-entering 5 errors at ~96 seconds each

## Sources & verification

- Tool: GratisAI local-first workflow (no key, no account)
- Primary source: https://notebooklm.google/ — checked 2026-09-13
- Last verification: 2026-09-13 (green)

## Use it

- Interactive guide: https://gratis-ai.pages.dev/articles/revision-error-log.html
- Companion app: https://gratis-ai.pages.dev/apps/revision-error-log.html
- This machine-readable mirror: /mirrors/revision-error-log.md

*Generated free at https://gratis-ai.pages.dev/articles/revision-error-log.html — every guide on GratisAI is a complete, working tool. $0, no account, no card, anywhere.*