Learning that sticks,
English that flows.
GrammarLocker closes your knowledge gaps for good.
How? With science-backed learning and 10,000+ exercises created by native English teachers.
or try for free!
46 Lessons
Total English grammar coverage
10,000+
Questions written by native English teachers.
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Who it's for
Trusted by parents
and professionals.
Students
(aged 10 upwards)
From school exams to IELTS and TOEFL prep, build the accuracy and confidence you need to write and speak naturally in any context - globally.
Parents & Families
Affordable, structured, and fully trackable. Monitor your child's progress in real time - with no screen-time guilt, because they’re learning.
Teachers & Schools
Assign topics, track class performance, and close knowledge gaps across your cohort - with no extra lesson planning burden.
Features
Everything in one locker.
Your GrammarLocker™ has every tool from day one.
From basic tenses to advanced conditionals and reported speech - every topic covered in depth.
Daily and weekly tests that revisit weaker areas at exactly the right moment and using science-backed retention techniques.
You can view your progress at any time here, where your accuracy, streaks, and module completion are all visualised.
If you go wrong, you get a targeted, precise explanation, so each mistake becomes an additional micro-lesson in the grammar element you find toughest.
All exercises are written by qualified, native English-speaking teachers. That’s how GrammarLocker uses real-world English, not textbook English – every time.
Your subscription price stays fixed as your GrammarLocker grows, with new questions added all the time!
How it works
01
Understand the rule
Every topic opens with a clear, jargon-free explanation from a native English teacher. You understand the why and the how, not just the what.
02
Practise until it sticks
10,000+ interactive exercises arranged by bite-size skills with instant, useful feedback. Wrong answer? You get a tailored explanation and targeted exercises to practise the specific skill - not just a red X.
03
Test & track your growth
Daily, weekly, and topic tests built on spaced repetition, the same method used in the world's top learning systems.
Why GrammarLocker™?
Everything you need. Nothing you don't.
Core Learning Outcomes
Clear grammar explanations
Plenty of structured practice
Understand your mistakes
Regular self-testing
Track your improvement
Learn at your own pace
GrammarLocker™
Questions crafted by native English teachers
10,000+ interactive exercises in bite-size skills
Instant targeted feedback on every wrong answer
Daily Drills, Weekly Workouts, Topic Tests
Personal dashboard with badges & XP
7 modules · 46 lessons · self-paced
Pricing
Free Trial
Explore before you commit.
No need to provide your card details.
Free trial lasts for 72 hours and includes access to:
Two starter modules
Sample interactive exercises
Basic progress tracking
without adding your card details
Full GrammarLocker
Access
Everything unlocked. For the price of a meal.
billed annually
All 7 grammar modules
10,000+ interactive exercises
Daily, weekly and end-of-topic tests
Error-based explanations
Schools & Teams
Group access for classrooms and institutions.
Custom
Per-student pricing available
Class management tools
Teacher dashboard & reports
Curriculum alignment support
FAQs
