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Grammar Radar

Grammar Precision diagnosis for your

AI scans 13 grammar areas continuously as you answer simple O/X questions, growing your English grammar skills

#articles_so_hard#tense_confusion#prepositions_by_feeling
Try It Now

Just pick O or X

That's all it takes. Tap once, and AI does the rest — analyzing your patterns, tracking your growth, and optimizing your learning path.

Q1Tense

She has been working here since five years.

Zero friction, maximum insight

No typing, no complex choices. Just O or X.

Get instant feedback with detailed explanations.

Every answer feeds into your personalized AI analysis.

5 seconds per question
All the insight, none of the hassle

Highlight 01

13 Grammar Areas, Precisely Scanned by Radar

From tenses to idioms, analyze your grammar skills in 360 degrees

You need to know your weaknesses
to fix them

Tenses? Articles? Prepositions? Clear data instead of vague anxiety

See accuracy by 13 categories at a glance

With one click, focus on weak areas

Articles 45% Conditionals 40% Idioms 50%
Weak areas are clearly visible

Highlight 02

Track your weekly and monthly growth

Keep at it and the graph will prove it. Track growth with data, not feelings.

data, not feelings

7 / 30 / 90 days trend analysis

improvement trend visually

your consistency

Articles 45%78%(3개월)
Your effort shows in numbers

Accuracy trend
Start
45%
Current
82%
+37%
AI-Powered

AI optimizes your learning

Difficulty, review intervals, and confidence analysis — all personalized by AI

Auto Difficulty Adjustment

Analyzes accuracy across 13 grammar areas

EasyCurrentHard

Doing well → harder · Struggling → easier

Smart Review Intervals

Adjusted based on your success rate

Standard
13714days
Your Intervals
141021days

High success rate → extended intervals

Confidence Analysis

AI reads your confidence from response time

Correct
Wrong
Fast
Slow

Learning that adapts to you — your personal AI tutor.

Coverage

From everyday English to standardized tests

13 grammar categories × various topics and exam types

Grammar Categories

13 areas of detailed analysis

Tense
Articles
Prepositions
Subject-Verb Agreement
Relative Clauses
Conjunctions
Conditionals
Comparisons
Verbals
Modal Verbs
Passive Voice
Word Order
Idioms

Basics → Structure → Advanced → Expression progression

General Topics

Real-life customized sentences

Daily Life
💼Business
✈️Travel
🎬Entertainment
+

Exam Types

Major English tests worldwide

TOEIC
TOEFL
IELTS
Cambridge
EIKEN
TEPS
13
Grammar categories
4
General topics
6
Exam types

Stop letting grammar hold you back

Data will pinpoint your weak spots precisely.
Start for free.