About this app
[SIMPLE INTRODUCTION] Oba's English Grammar Test (G-Global in short) was originally developed for Japanese learners of English. [INTRODUCTION] You can take the Test, see your score, see the answer key and short lessons, and eventually enjoy the review program where you can review your wrong answers in easy-to-difficult order. [FEATURES] -Evaluation of basic grammar knowledge -Short lessons in English -Person-to-person/easy-to-difficult review program
Latest release
What’s New
The previous version was released in 2016. To avoid the removal of the old app from the App Store, this new version was rebuilt with the latest Xcode 13.3.1. Note that there is no change in the content.
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 Aug 19, 2026 · 7:02 PM Free
Screenshots
