看见你真正的弱项，精准提分。
Paste your IELTS writing task. Get a detailed band-by-band breakdown, a ranked list of what's holding you back, and the fastest path to your target score — in under two minutes.
Try the Band Gap Analyser → Free · No signup required三款专为雅思写作打造的 AI 工具
Paste your writing and your target score. Get a full diagnostic report showing your current band estimate, the three weaknesses costing you the most points, and a six-week plan to close the gap.
诊断你当前的雅思写作水平，找出拉低分数的三大弱项，并给出六周提分方案。
Submit your Task 2 essay (handwritten or typed) and receive band scores across all four IELTS criteria — task response, coherence, lexical resource, grammatical range — with examiner-style annotations.
提交大作文（手写或打字均可），获得四项评分标准下的官方级反馈。
Specialised scoring for IELTS Task 1 — the report describing graphs, charts, tables, or processes. Covers Academic and General Training formats with targeted feedback on overview, trend description, and data accuracy.
专为雅思小作文（图表、表格、流程图）打造的评分与反馈工具。
Paste your essay, upload a photo of handwritten work, or type directly into the form.
提交作文：粘贴、上传图片或直接输入。
Our AI scores your writing against the official IELTS band descriptors — the same four criteria examiners use.
AI 按照官方四项评分标准进行分析。
A structured PDF report arrives in your inbox within two minutes. Keep it, act on it, come back for more.
两分钟内收到详细报告（PDF 格式，发送至你的邮箱）。
Tell us which tool matters most to you. We'll build the most-requested ones first — and email you the moment they launch. 告诉我们你最需要哪一款工具。我们会优先打造呼声最高的工具，并在上线时第一时间通知你。
Plan a high-band Task 2 essay before you write it. Outlines, paragraph structures, and topic-sentence drafts based on your prompt.
Paste a sentence you're unsure about. Get an instant fix, an explanation of the error, and three correct alternatives in different styles.
Highlights basic vocabulary in your writing and suggests Band 7+ alternatives — with explanations of when each upgrade fits.
A timed, examiner-conditions Writing simulation. Real question pool, strict 60-minute timer, full report scored as if you sat the test.
A structured four-week programme based on your Band Gap Report. Daily practice, weekly examiner feedback, target-band guarantee. Founders' pricing for the first cohort.
六周，精准提分，抵达目标。
The Lumina Bootcamp turns your Band Gap Report into a six-week action plan, with structured practice, weekly feedback from IELTS specialists, and a guaranteed path to your target score. Join the waitlist for early-access pricing.
We'll email you when the bootcamp launches. No spam. Unsubscribe anytime.