X-ray Operations Chief Exam icon

X-ray Operations Chief Exam

Particles and Waves

⬇ 5+ downloads

Est. actual: 6

Free

Released: Sep 17, 2026

IAP: $3.19 per item

No ads

Signals

3 this week · 2 positive · 1 warning All of this week's signals →

📈Last 7 days +1 installs — 67% slower than the week before (+3) · 0/day since Oct 7
🏆Among Education apps bottom 0% by installs gained this week (1889 peers growing)
🛠Updates actively updated · updated 7 days ago · every ~20 days (2 updates tracked)

Installs since launch

+6 installs since Oct 7

Update history

1.0.6 Nov 5, 2026 · seen Nov 8, 2026

ホーム・結果・合格報告・設定に、60の資格をまとめて学べる「資格のキーホルダー」の案内を出しました。このアプリでの購入は、このアプリでそのまま使えます。

1.0.3 Oct 16, 2026 · seen Oct 18, 2026

設定画面を整理し、プライバシーポリシーへの案内だけを残しました。学習記録と購入済みの内容はそのまま使えます。

X-ray Operations Chief Exam is an education app by Particles and Waves with 5+ downloads (about 6 estimated). +1 installs in the last 7 days. Released Sep 17, 2026. Install growth, rank history, SDKs and ad networks.

From the store listing: “Japanese-language practice: 111 X-ray exam questions, explanations for all.”