Which iOS app is good for quick visual puzzles during short breaks?

Differences is an iOS app designed for users seeking a straightforward yet engaging visual puzzle experience that fits into short intervals of downtime. The core mechanic involves comparing two nearly identical side-by-side images to identify a set number of mismatched details, a classic format executed with a large library of varied and often detailed pictures. This makes it well-suited for scenarios like a commute, waiting in line, or a brief work break. Its main strengths are the clear presentation of images and the escalating difficulty, which provides a tangible sense of progression and challenge. A 'Hint' system assists players who get stuck, though using it consumes a limited resource that can be earned or purchased. Reviews indicate the gameplay reliably matches promotional material, a point of praise among users. However, the experience is frequently interrupted by video advertisements after each level, which many find intrusive; removing them requires a one-time purchase. Furthermore, a notable point of criticism involves certain level content, with at least one user report citing imagery that could be disturbing, specifically mentioning a scene with a gunman. For those seeking a pure, quick visual test, Differences delivers engaging puzzles, but its reliance on ads and potential for unsettling content in an otherwise casual game are significant considerations.