Salaam alaykum, thank you for letting us know and sorry. Please try the following settings change:
(1) From the app start page, top-right corner please click on "Settings"
(2) Scroll to the last setting "Load Time for verses", increase it, e.g., to 361
(3) Press "Close"
Try "Resume Last Verse".
If it doesn't work, email us: info@masjidtucson.org