Experience authentic transformation sound effects inspired by popular heroes. Tap the screen in specific sequences to trigger immersive audio, just like in the shows. Relive the thrill of becoming a hero on your Apple device.
1.3.5
June 15, 2026
Added new number combination sounds: 1971, 1987, and 2068.
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KTouch21 is a transformation sound simulator inspired by Kamen Rider. It allows users to trigger authentic transformation sound effects by tapping the screen in specific sequences.
KTouch21 is available for Apple devices, including iPhone, iPod, and Apple Watch.
KTouch21 is a paid application, priced at $1.99.
No, KTouch21 does not contain advertisements.
KTouch21 has an age rating of 4+.
The latest version, 1.3.5, was released on June 15, 2026, indicating regular updates are provided.
As a sound simulator, KTouch21's core functionality of triggering sound effects is likely to work offline, though specific features might depend on the implementation.
KTouch21 focuses specifically on authentic Kamen Rider-inspired transformation sounds, offering a dedicated experience for fans of the series.
