No. Mobile Banking does not save any files with personal or financial information on your mobile device. That information stays strictly within Online Banking. Some phones (ex. Android) have logo and branding files that are copied to the mobile device. Those files do not contain any personally identifiable information.

Ixonia Bank Hosting Events to Help Prevent Identity Theft
September 06, 2019
Ixonia Bank Donates $10,000 to Library Campaign
September 05, 2019
Local Business Owner, Susan Marshall, Added to Board
September 04, 2019