Rhino English Grammar

Learn English grammar the clear, practical way.

Rhino English Grammar helps you understand and practice English grammar through short, focused lessons and plenty of hands-on practice. From the basics to advanced structures, every topic is explained simply, shown with real examples, and reinforced with quizzes that make it stick.

LEARN WITH CLEAR LESSONS
30 grammar topics, from nouns, articles, and tenses to conditionals, passive voice, and reported speech. Each topic is broken into focused subtopics with plain-language explanations, real examples, and color-coded grammar so you can see how every sentence works.

PRACTICE YOUR WAY
Pick the mode that fits the moment:
- Tests: short, scored quizzes for each subtopic.
- Quiz Builder: build a custom quiz from any topics you choose.
- Survival: keep answering until you miss one.
- Timed Quiz: race the clock.

TURN MISTAKES INTO PROGRESS
The Mistakes Notebook saves every question you miss, with its full explanation, so you can review it and clear it for good.

LISTEN AS YOU LEARN
Tap to hear any explanation, example, or conversation read aloud.

SEE GRAMMAR IN REAL CONVERSATIONS
Every topic includes natural dialogues that show the grammar in use, not just as rules.

STAY MOTIVATED
Track your streak, days learned, and tests passed, and set a daily reminder so practice becomes a habit.

MAKE IT YOURS
Bookmark any question or topic to revisit later, and switch between light and dark themes.

FREE AND PREMIUM
Free: the Foundations and Tenses topics, with all their lessons, tests, and practice, free forever.
Premium: a single one-time purchase (no subscription) unlocks all 30 topics, the Mistakes Notebook, the custom Quiz Builder, all-topics practice modes, dark themes, and more.

PRIVATE BY DESIGN
Rhino English Grammar keeps your learning data on your device. There are no ads, no accounts, and no sign-in. Your progress stays on your phone.