📈Last 7 days+27 installs — 13% faster than the week before (+24) · 3/day since Oct 9
🏆Among Education appstop 13% by installs gained this week (2230 peers growing)
🛠Updatesdormant · updated 456 days ago
Installs since launch
+90 installs
since Oct 9
Update history
4.0.9Aug 15, 2025 · seen Oct 16, 2026
対象SDKレベルを更新。
Only the current version so far — new entries appear as the app ships updates.
SPI言語Lite 【Study Pro】 is an education app by PiaDOOR with 100,000+ downloads (about 154K estimated). +27 installs in the last 7 days. Released Nov 25, 2012. Install growth, rank history, SDKs and ad networks.
From the store listing: “It will be the SPI language [Study Pro] trial version of (the paid version).
Lite version is 52 questions. The paid version has 232 questions is installed.”