📈Last 7 days+1 installs — 67% slower than the week before (+3) · 0/day since Oct 9
🏆Among Entertainment apps bottom 0% by installs gained this week (640 peers growing)
🛠Updatesquiet · updated 118 days ago
Installs since launch
+6 installs
since Oct 9
Update history
1.1Jul 19, 2026 · seen Oct 19, 2026
Only the current version so far — new entries appear as the app ships updates.
潜水士 過去問攻略 - 資格ナビULTRA is an entertainment app by Oka with 10+ downloads (about 23 estimated). +1 installs in the last 7 days. Released Jul 12, 2026. Install growth, rank history, SDKs and ad networks.
From the store listing: “"Master past diver certification exam questions! Randomly selected questions from the four major subjects, 50 practice questions, and detailed explanations for a first-time pass!"”
