Microsoft has officially discontinued its Cortana mobile app for both iOS and Android
As expected, Microsoft today discontinued its Cortana mobile app. As a result, the company has ended all support for third-party Cortana skills and eliminated the Cortana app for iOS and Android devices.
Context & Ripple Effects
Cortana began as a standalone cross-platform assistant with its iOS and Android rollout, but Microsoft had already begun withdrawing mobile support country by country and warned that third-party skills would end. The shutdown completes the timetable laid out in Microsoft's 2020 retirement plan.
The move narrows Cortana’s remaining footprint rather than merely removing a mobile client. Related coverage later extends that retreat to planned Windows support removal, indicating a product wind-down across the assistant’s former endpoints.
First-order effects
- iOS and Android Cortana users lose the dedicated assistant app and its mobile access to Cortana content such as reminders.
- Third-party skill developers lose Cortana as a supported integration and distribution channel immediately.
Second-order effects
- Developers that maintained Cortana skills must remove or redirect those experiences, while Microsoft no longer has to support an external skill ecosystem on mobile.
- Microsoft’s assistant presence on rival mobile platforms contracts from a standalone app to whatever services it chooses to surface through other products.
Third-order effects
- The mobile exit, followed by the planned Windows Cortana retirement, points to Microsoft dismantling Cortana as a standalone cross-platform assistant rather than preserving it as an independent developer platform.
- As standalone assistant apps lose supported endpoints and third-party extensions, the market shifts toward assistants embedded inside a vendor’s broader software products rather than app-based ecosystems.
The trend: Microsoft is moving away from Cortana as an independent, cross-platform assistant and toward assistant experiences embedded in its own software stack.