The TOEFL Writing section changed completely in 2026. The old format — a 20-minute Integrated task and a 30-minute Independent essay — is gone. The new section has three task types spread across just 23 minutes:
- Build a Sentence: Arrange given words or phrases into a grammatically correct sentence (no extended writing required)
- Write an Email: Compose a short email in response to a specific situation — 7 minutes
- Write for an Academic Discussion: Post your view to a simulated online classroom forum — 10 minutes
The tasks are shorter. The stakes per task are lower. But the section is still scored on a 1–6 scale that contributes directly to your overall TOEFL band.
What changes this creates for preparation: shorter tasks mean you can realistically practice the same task multiple times in a session. That makes the quality of feedback between attempts — how specific it is, how fast it arrives — the primary differentiator between platforms.
What Good TOEFL Writing AI Feedback Looks Like
A writing checker that returns a single score is useful for knowing where you stand. A writing checker that tells you why your score is what it is and what to change is what produces improvement.
For TOEFL Writing 2026, good AI feedback addresses:
For Write an Email:
- Did you respond to the specific situation described?
- Is your language appropriate for the context (formal enough, not overly complex)?
- Are your grammar and punctuation accurate?
- Is the email clear and complete?
For Write for an Academic Discussion:
- Did you clearly state and support your position?
- Did you engage with the class discussion (not just give a standalone opinion)?
- Is your academic tone appropriate?
- Are there coherence issues between sentences or paragraphs?
- What specific grammar or vocabulary errors are present?
For Build a Sentence:
- Is the grammatical structure of your constructed sentence correct?
- Are any words in the wrong position or form?
1. Gabble.ai — Best TOEFL Writing Checker Overall
Price: Free trial; $25/month, $35 for 2 months, or $95 for 6 months Best for: Students who want instant, sentence-level feedback on every writing attempt
Gabble.ai's writing AI is built for the feedback depth that produces actual improvement. After you submit a Writing response, it evaluates your answer at the sentence level — not just returning a score, but identifying specific sentences where coherence broke down, where a grammar error occurred, and where development was insufficient.
For Write an Email: Gabble.ai checks whether your response addresses the specific situation (making a request, proposing a solution, providing information), evaluates your tone and register, and flags grammatical errors at the sentence level. You can identify exactly which part of your email was the problem and revise accordingly.
For Write for an Academic Discussion: Gabble.ai evaluates how clearly you stated your position, whether you engaged with the discussion context (not just delivered an independent opinion), your academic register, coherence between sentences, and grammar accuracy. Specific sentences are highlighted with explanations.
For Build a Sentence: The AI checks grammatical structure and word order, flagging incorrect arrangements.
Feedback arrives within seconds — fast enough to revise and resubmit in the same session.
Pros:
- Sentence-level feedback (not just a holistic score)
- Instant response — seconds, not hours
- All three 2026 Writing task types covered
- Unlimited Writing AI analysis — no cap on submissions
- 2,500+ practice questions across all sections
- 4,000-word vocabulary practice bank
- Progress tracking across sessions
- Covers IELTS Writing too
- Free trial available
Cons:
- Web-based (no native mobile app)
- No human instructor review option
2. Magoosh — Best Writing Checker with Video Instruction
Price: $109/month or $129 for 6 months Best for: Students who want to understand what good Writing looks like before practising
Magoosh provides AI scoring for Writing responses alongside 140+ video lessons that explain what each task requires. For the 2026 Writing tasks — particularly the Academic Discussion and the Email — the video explanations give you a model of what a strong response looks like before you attempt your own.
Its AI writing feedback is general rather than sentence-level. You receive a score and high-level commentary, which tells you where you stand but not precisely which sentences dragged the score down.
Pros:
- Video lessons on Writing before practice
- AI scoring for all Writing tasks
- Structured curriculum
- Updated for 2026 format
Cons:
- Writing feedback is holistic, not sentence-level
- $109/month is expensive
- Only 4 mock tests total
3. BestMyTest — Writing Task Bank, But Capped and Delayed
Price: $39 (7 days) / $69–$129 (1–6 months) / $219 (12 months) Best for: Students who only need a small number of Writing evaluations
BestMyTest has 220+ Writing tasks in its library. However, AI evaluation is capped at just 10 Writing evaluations total for your entire subscription. After those 10 are used, no further AI feedback on Writing responses is available — regardless of plan length. Feedback also takes 24–48 hours to arrive.
For the 2026 Writing tasks — which are 7–10 minutes long and can realistically be repeated multiple times in a session — a 10-evaluation ceiling combined with a two-day delay makes same-session iteration impossible and limits how much you can improve overall.
Pros:
- 220+ Writing tasks in the library
- Detailed feedback (within the cap)
- Score guarantee (conditions apply)
- Ask-an-instructor support
Cons:
- AI Writing evaluation capped at 10 total
- 24–48 hour feedback window — no same-session iteration
- Only 4 unique mock tests
4. ETS TOEFL TestReady — Best for Official Scoring Accuracy
Price: $50–$100+ Best for: Students who want official ETS scoring on their Writing responses
ETS TestReady uses the same scoring algorithms as the actual TOEFL to evaluate Writing responses. For students who want certainty that their practice score reflects what the exam will actually give them — not a third-party approximation — TestReady is the closest available.
The feedback is accurate but not deeply instructional. You'll know your score is real; you may need to supplement with other resources to understand what to improve.
Pros:
- Official ETS scoring
- Trusted for accuracy
Cons:
- Expensive
- Feedback depth is limited
- Not a complete prep solution
5. TOEFL Go Official — Writing Scoring from ETS App
Price: Free base; in-app purchases Best for: Calibration in the final 1–2 weeks
TOEFL Go includes Writing evaluation using ETS rubrics. As a daily practice tool, the content volume is limited. As a final calibration tool in the last two weeks, checking that your Writing score on Gabble.ai or Magoosh tracks with what ETS will actually score you is useful.
Writing Checker Comparison Table
| Tool | Feedback Speed | Sentence-Level Detail | 2026 Format | Task Coverage | Monthly Cost |
|---|---|---|---|---|---|
| Gabble.ai | Seconds | Yes | Yes | All 3 tasks | $25 |
| Magoosh | Minutes | General | Yes | All tasks | $109 |
| BestMyTest | 24–48 hrs (10 cap) | Detailed (capped) | Yes | All tasks | $69 |
| ETS TestReady | Minutes | General | Yes | All tasks | $50–$100+ |
| TOEFL Go | Minutes | General | Yes | All tasks | Free + IAP |
How to Use AI Writing Feedback Effectively
The 2026 TOEFL Writing tasks are short enough that genuine iteration is possible:
Write an Email (7 minutes): Complete the task under timed conditions. Submit. Read the AI feedback. Identify the one or two specific sentences flagged most severely. Write a second draft targeting those issues. Submit. Compare the scores.
Write for an Academic Discussion (10 minutes): Same approach. After the first attempt, ask yourself: Did I clearly state my position? Did I engage with the hypothetical classmates' views or just deliver an independent opinion? Did the AI flag coherence issues between my opening and supporting sentences?
Build a Sentence: Use this as a grammar diagnostic. If you consistently misarrange certain structures, note the pattern and practice it explicitly.
The key insight: with tasks this short, five attempts with feedback will produce more improvement than fifty attempts without it. The speed and depth of the feedback between attempts determines how productive your practice session is.
Which TOEFL Writing Checker Should You Use?
For most students — Gabble.ai. Sentence-level AI feedback in seconds, unlimited submissions, all three 2026 Writing tasks covered, and the lowest price on this list. The free trial lets you verify the feedback quality before committing.
For instruction alongside writing practice — Magoosh. Its video lessons on the Email task and Academic Discussion task are worth watching if you're unsure what a strong response looks like. Use Magoosh to learn, then switch to Gabble.ai for rapid iteration.
If you want a Score Forecast tool or human instructor access — BestMyTest offers both. But on question volume, Gabble.ai matches or exceeds BestMyTest across all sections including Writing. For unlimited Writing AI feedback without a cap, Gabble.ai is the stronger choice.
For final calibration — ETS TestReady or TOEFL Go. In the last 1–2 weeks, submit a Writing response to an official ETS tool and confirm your score matches what you've been tracking on your primary platform.