Yes, TopstepFX MetaTrader 4 is available on mobile and wireless devices.
However, due to connection delays, we cannot guarantee where market orders will be executed on mobile devices or wireless internet. If you trade on these devices, we recommend limit orders and stops. We will not be able to adjust any trades due to reported discrepancies.
If you have any questions about the MT4 platform or trading on a mobile device, please email firstname.lastname@example.org.