UK Secondary Teachers · Edexcel-aligned

GCSE revision built by teachers.

Edexcel-aligned revision apps for Biology, Physics, Chemistry and Astronomy — with significant content overlap useful for AQA, OCR, WJEC and Eduqas students too. Built around how your brain actually learns.

Available now on Google Play · iOS coming soon

Four apps. One philosophy.

Each app is built for a specific Edexcel GCSE specification, with content equally suited to the matching Combined Science route — and the option to switch between them in Settings, so you only see questions that match what you're sitting.

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GCSE Biology
Edexcel 1BI0 · Combined Science
Cells, genetics, ecosystems and everything between. Higher and Foundation tier.
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GCSE Physics
Edexcel 1PH0 · Combined Science
Forces, waves, electricity, particles, the universe. Higher and Foundation tier.
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GCSE Chemistry
Edexcel 1CH0 · Combined Science
Atoms, reactions, periodic trends and the periodic table. Higher and Foundation tier.
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GCSE Astronomy
Edexcel 1AS0
The only GCSE Astronomy qualification offered in the UK — naked-eye and telescopic.
Each app is available as a paid app on Google Play. Search "GCSE [subject] Revision" by Neutron Star Education.

Designed around how your brain learns.

Focused on what actually moves marks. Each app shares the same engine — six pillars built around evidence-based learning.

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Adaptive practice

Questions you miss come back until you've got them down. Topics you've nailed fade into the background.

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Course-aware filtering

Studying separate Biology, Physics or Chemistry — or a Combined Science route? Pick your course and the app shows only what matches your specification.

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Instant, useful feedback

No "wrong, try again" dead ends. Every answer comes with an explanation that helps you understand the concept.

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Works offline

Revise on the bus, at the kitchen table, or anywhere with no signal. Once installed, no connection needed.

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Spec-aligned

Every question is mapped to a specific Edexcel specification point. You always know what you've covered and what's left.

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No sign-in. No account.

No data leaves your device. Just open the app and start.

Built privacy-first.

We don't track you. We don't sell your data. We don't run ads. Your progress lives only on your device. Uninstall the app and everything is gone — by design.

Built by teachers.

We're UK secondary teachers with decades of combined classroom experience. After years of watching students wrestle with revision apps that were either dry digital flashcards or distracting games stuffed with ads, we built the tool we wished our own students had.

These apps are what we'd hand a Year 11 the night before their mocks: spec-aligned, focused, evidence-based, and respectful of their time and privacy.