About this app
This app is designed to help you learn English Prepositional Idioms, which are idioms that start with prepositions such as out of order, in advance, on purpose, from someone's perspective, in danger, in debt, by mistake, of value, for someone's benefit, etc. ▸ Prepositional Idioms - Over 1780 idioms - Detailed meaning ▸ Examples - Each idiom has a number of examples - Over 49800 sentences are added ▸ Lessons - 60 lessons - Use flashcards to study idioms in a lesson ▸ Flashcards - Create a deck - Add idioms into a deck - Review a deck ▸ Basic features include: - Bookmark feature - Search feature - Learn 5 prepositional idioms daily - Share, copy an idiom ▸ If you want to suggest a new feature or report an issue, please use feedback feature in the app. Thank you!
Latest release
What’s New
We have improved the app's performance in this version.
Audience growth
Ratings growth
Baseline captured. Growth appears after the crawler observes a changed rating count.
Momentum comes from crawler snapshots for the tracked storefront. “Viral growth signal” means unusually fast recent rating gains; it is an indicator, not download data.
Price tracking
Price intelligence
First snapshot captured. The trend line starts after the next crawler price observation.
- First observed Oct 5, 2026 · 2:38 PM $0.99