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Screenshots

  • KOETRON screenshot 1
  • KOETRON screenshot 2
  • KOETRON screenshot 3
  • KOETRON screenshot 4

About KOETRON

KOETRON — One-tap voice transformations! KOETRON is a simple, playful voice app where you record a short clip and transform it with a single tap. Hear your voice instantly in different styles—Plushie, Robot, Ghost, Kaiju, UFO, and more. With an easy, kid-friendly interface, everyone can enjoy quick “voice toy” fun at home or on the go. Works offline, too. How to use 1-Tap Record to capture a short voice clip. 2-Tap your favorite Effect button. 3-The transformed voice plays right away—try it as many times as you like! Device & settings -Microphone access is required on first use. If you denied it, please enable the mic in your device settings. -Adjust recording/playback volume with your device’s volume buttons. -Recordings are processed on your device. This app does not transmit your recordings externally. Made by Tantanto Company We’d love to hear your feedback!

What’s new

Version 1.11 · Updated March 14, 2026

Added three new voice effects.

App privacy

The developer, SACHIKO HAMATSU, reported these privacy practices to Apple.

Data Not Linked to You

The following data, which may be collected but is not linked to your identity, may be used for the following purposes:

  • Identifiers: Device ID
  • Usage Data: Product Interaction, Advertising Data

Used for: Third-Party Advertising, Analytics

Alternatives to KOETRON

Looking for apps like KOETRON? Here are 6 similar apps on the App Store. The highest rated is FunnyVoice (3.2/5), and all 6 are free to download.

KOETRON vs. alternatives
App Rating Price Last updated Compare
KOETRON – Free March 14, 2026
Sound Effect ZNC – Free Sep 18, 2025 Compare
ツギミル – Free Jul 22, 2026 Compare
Reverse: Audio – Free Sep 16, 2025 Compare
VoicelyFX: Fun Voice Changer – Free Oct 13, 2026 Compare
FunnyVoice 3.2 / 5 (5) Free Aug 20, 2026 Compare
Easy Voice Changer: Voice Fix – Free Oct 20, 2026 Compare

Compare KOETRON with the top alternatives: ratings, updates, ASO score and keyword gaps →