https://appdevelopmentauthority.com/app-maintenance-and-support/
App Maintenance and Support: Post-Launch Services and SLA Expectations
App maintenance and support encompasses the structured professional services delivered after an application goes live — covering bug remediation, platform...
app maintenance and supportpost launchservicesslaexpectations
https://thornley.info/
Mobile App Maintenance and Support | iOS and Android Developer UK
iOS and Android developer specialising in mobile app maintenance, bug fixing and updates.
app maintenance and supportios androidmobiledeveloperuk