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★★★★★
Average rating on the App Store. Apple doesn't publish how many ratings each star has.
Where this app stands in Vietnam, updated 4 Nov 2026
Top free
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Top paid · All apps and games
#89 –
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• Start with a rule and examples. Choose an answer, read why it fits, then continue when you are ready. Resume an unfinished lesson. • Turn mistakes into focused practice. Revisit usage patterns with different sentences and a 1, 3, 7 and 14-day review schedule. • Choose 5 or 10 questions for quick practice, try the daily task, or test yourself with timed challenges. • Search the usage guide for a preposition, rule or example whenever you need a reminder. • See completed sessions, recent accuracy and study days. Your learning records stay on your device.
PrepoQuest Still guessing in, on or at? Understand the choice, then practise it in a new sentence. One paid download. No ads, no subscriptions. Learn offline without an account. 30 lessons. 73 usage patterns. 231 contextual questions across 6 themes: place, time, movement, manner, purpose and comparison. Start with a rule and examples. Choose an answer, read why it fits, then continue when you are ready. Resume an unfinished lesson. Turn mistakes into focused practice. Revisit usage patterns with different sentences and a 1, 3, 7 and 14-day review schedule. Choose 5 or 10 questions for quick practice, try the daily task, or test yourself with timed challenges. Search the usage guide for a preposition, rule or example whenever you need a reminder. See completed sessions, recent accuracy and study days. Your learning records stay on your device.