DET - Duolingo English Test

About this app

The Duolingo English Test (DET) mobile app provides a stable, secure test setup experience. It does not replace the desktop app for taking the test itself. Test takers will use the app to: Submit their ID information Scan their face and ID Complete their room scan and ear scan Set up their phone to record their computer

Performance improvements and bugfixes

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.

1. First observed Aug 5, 2026 · 9:01 AM Free