The news came after restrictions were introduced on the movement of animals in Dumfries and Galloway.
Deputy chief veterinary officer says warm weather is providing perfect conditions for midges.
The app was designed to give farmers more time with their families by making the business more manageable.
Richard Yates says farmers could be faced with "considerable losses" of animals over the outbreak.
The Ulster Farmers' Union rejects a claim that it is trying to dictate policy after a cattle cull.
The disease gives farmers another challenge while they are already dealing with extreme heat.
Farmer Kim Dart, from South Molton in Devon, says she dreads checking her flock each morning.
The Agriculture Minister Andrew Muir says he will continue to engage with the Ulster Farmers' Union.
The chief vet concedes the virus is "here to stay" as the UK experiences warmer summers.
