What's the best iOS app for real-time voice changing during calls?

Magic AI Voice Changer is a robust iOS application tailored for users who need to alter their voice in real-time during calls or recordings. It excels in scenarios like pranking friends, enhancing gaming communication, or adding flair to content creation. The app provides over 20 preset voice effects, including robot, alien, and celebrity-style tones, which can be activated with a single tap during active calls on platforms like FaceTime or standard phone apps. Its low-latency processing ensures voice changes feel immediate, reducing awkward pauses. Users appreciate the intuitive interface, which allows quick toggling between effects without interrupting conversations. Reviews highlight that the voice alterations are convincing and fun, though some note that the free version limits access to premium voices, and occasional audio sync issues may arise in weak network conditions. For real-world use, a podcaster might employ it to simulate multiple hosts, or a gamer could use it to maintain anonymity in voice chats. Despite minor imperfections, its reliability and ease of integration make it a standout option for casual and semi-professional voice modulation needs.