Overview
IELTS Writing Checker is a specialized tool designed to score and improve IELTS Writing Task 1 and Task 2 responses. It evaluates essays based on the four official IELTS criteria: Task Achievement, Coherence and Cohesion, Lexical Resource, and Grammatical Range and Accuracy. Each review provides an estimated overall score, criterion scores, specific evaluations, and actionable next steps. Paid plans unlock sentence-level annotations, correction suggestions, and rewrites, with up to 50 reviews per month. Free accounts include 3 score previews each month.
ExplainViz is an AI scientific figure maker that helps researchers, students, and academic teams create graphical abstracts, conceptual and theoretical frameworks, scientific illustrations, and academic posters from text descriptions. Users can review labels and relationships, adjust designs, and export editable SVG or high-resolution images for papers, theses, and presentations. It offers free starter credits and one-time generation credit packs.
Feature Comparison
| Feature | IELTS Writing Checker | ExplainViz |
|---|---|---|
| Primary Purpose | Scores and improves IELTS Writing essays | Creates publication-ready scientific figures |
| Target Audience | IELTS test-takers | Researchers, students, academics |
| Core Functionality | Evaluates essays, provides scores and feedback | Generates labeled diagrams, frameworks, posters |
| Output Type | Score reports with annotations and rewrites | Editable SVG or high-resolution images |
| Scoring/Accuracy | Average error 0.49 points vs official scores | Focuses on accurate labels and layout |
| Free Tier | 3 score previews per month | Free starter credits and credit packs |
| Paid Plans | Monthly/Yearly, up to 50 reviews/month | One-time generation credit packs |
| Specialized Features | Accepts Task 1 visuals, separates task types | Supports multiple figure types, journal sizing |
| Integration/Export | Results saved to account | Exports editable SVG, compatible with Figma |
| Turnaround Time | ~20 seconds per review | Not specified |
Pricing
IELTS Writing Checker offers a free account with 3 score previews per month. Paid plans (Monthly or Yearly) provide up to 50 full reviews per month, with the Yearly plan including a 3-day free trial. The report quality is consistent across paid plans; the main difference is the billing cycle.
ExplainViz uses a credit-based system: free starter credits and one-time generation credit packs. There is no subscription model mentioned, making it flexible for occasional use.
Pros and Cons
IELTS Writing Checker
Pros:
- High accuracy compared to official IELTS scores (average error 0.49 points).
- Detailed feedback aligned with all four IELTS criteria.
- Supports Academic Task 1, General Task 1, and Task 2, including visual inputs.
Cons:
- Free tier limited to 3 previews per month.
- Not affiliated with official IELTS, so scores are estimates only.
ExplainViz
Pros:
- Specialized for scientific figures, ensuring accurate labels and structure.
- Exports editable SVG for easy integration into research workflows.
- Supports multiple figure types and journal-specific sizing.
Cons:
- Not a scoring or feedback tool for writing.
- Pricing based on credit packs may not suit heavy users.
Verdict
IELTS Writing Checker is ideal for IELTS candidates seeking accurate, criterion-based feedback to improve their writing scores. ExplainViz is best for researchers and academics who need to create publication-ready scientific figures from text descriptions. Choose based on whether your priority is language assessment or visual communication.

