What to check first
Keep the original essay, prompt, and target band, and require feedback to name the main blocker.
Judge whether correction, revision, polishing, score tools, teacher feedback, courses, or score-gap repair plans can produce verifiable diagnosis, evidence, and rewrite steps.
Any writing service should help you repair your own essay, not replace your answer.
If revision replaces whole paragraphs, you may see a prettier answer without learning how to repair your own issue.
Good revision explains why a sentence affects Task Response, Coherence, Lexical Resource, or Grammar.
Keep the original essay, prompt, and target band, and require feedback to name the main blocker.
Rewrite only one diagnosed paragraph, then compare diagnostic evidence with the original.
These pages explain the Banfen Writing diagnostic and blocker-repair method, Task 1 overview, Task 2 development, and common score blockers.
Submit the prompt and essay, confirm the main blocker, scoring criterion, and essay evidence first, then decide whether you need correction, a course, a tool, or a longer repair plan.