Adobe’s logo, however, is red and white, and its “A” is thicker and stretches to the edge of the app icon. Delta’s logo is purple and white, smaller, and centered within the app icon.

Testut Tech. Delta is a popular iOS game emulator, but it ran into a small problem with its logo recently. The app developer claims that Adobe threatened legal action against it if it didn’t ...

Both logos had featured a broken triangle, similar to the Greek letter delta. Adobe's logo, however, is red and white, and its "A" is thicker and stretches to the edge of the app icon.