Strengthen KS3 knowledge and prepare confidently for GCSEs.
Adaptive daily sessions across 12 GCSE subjects, with exam-style questions written to the AQA specifications and AI feedback on written answers. Sessions skip what you have already secured.
Free plan. No card needed. Cancel anytime.
See Keystral adapt in three questions.
Answer each question and watch the mastery score and next question change. Every response helps Keystral decide what the learner should see next.
A clear next step every day.
Keystral uses what your child knows now to decide what they should practise next.
Establish the starting point
A diagnostic and each subsequent answer build a topic-by-topic picture of what your child understands.
Adapt the daily practice
Secure topics become more challenging. Gaps receive additional support and return at the right time.
Show progress clearly
Children see what to work on next. Parents see mastery, strengths and topics that need more attention.
The GCSE subjects we cover
12 subjects, written to the AQA specifications. Maths and science mock papers come in Foundation and Higher. Choose the tier your child is entered for.
Maths
Biology
Chemistry
Physics
English Language
AI writing feedback
English Literature
Combined Science
Computer Science
Spanish
Speaking & listening
French
Speaking & listening
History
Geography
For parents
Know they’re on track without hovering.
Daily plans
A new plan each day, matched to the topics and the difficulty you need.
Progress dashboard
See what you’ve mastered and what to focus on next.
Adaptive practice
Questions get harder as mastery grows, and shaky topics get extra support without you asking.
Writing feedback
AI-generated feedback on writing, checked against exam board assessment criteria (AQA’s AO5 and AO6 for GCSE).
Mocks & diagnostics
Full-length, timed mocks and shorter diagnostics that mirror real GCSE exam conditions.
Curriculum aligned
Every question mapped to the England national curriculum. Written to the AQA specifications. GCSE maths and science content is set nationally, so most of it also applies to Edexcel and OCR.
For students
Practice that’s worth doing.
Instant feedback
Know straight away if you got it right, with an explanation when you didn’t.
Helpful hints
Stuck? Get a nudge in the right direction without being handed the answer.
Speed drills
Short timed challenges to build exam-ready speed without burnout.
Streaks & milestones
Small wins worth coming back for, without turning practice into a points game.
Spelling practice
Hear a word, type what you heard, and see exactly which letters you missed.
Built to aim at the top grades.
Practice aimed at what the mark scheme rewards, across every subject we cover.
13,000+
Practice questions
100%
Mapped to the England curriculum
Adaptive
Personalised learning
What it costs
Start on Free without a card. Paid plans open with a 5-day trial.
Free
Free
One child
- 1 child profile
- 20 questions per day
- 1 free diagnostic test
- Times table drill
- Vocabulary practice
Core
£19.99/mo
One child
Everything in Free, plus:
- Unlimited questions
- Full mock exams
- Unlimited diagnostics
- Learning Assistant
Family
£29.99/mo
Up to 3 children
Everything in Core, for the whole family:
- Up to 3 child profiles
- Separate progress and learning paths
- Manage multiple learners in one place
- Priority email support
Mapped to the
England national curriculum
Adapts to your
child’s level
Up to 3 children
on one family plan
Start free today
No card needed. Set up an account and see the first plan.