Hi Lina,
We're sorry to hear that you haven't been able to sign in. Have you tried to uninstall and reinstall the app? If so and you still can't sign in, email mobileapps@ancestry.com for help. Thanks! Ancestry App User
新功能
You can now transcribe more documents and images of tombstones that you upload to your gallery.\nWe made some updates to viewing historical records to make it easier to navigate and find the information you need.