A free Voice-Changer, and is also a MP3 Recorder. The operation is simple, easy to use. Special Features: Data storage security technology Support handwriting annotation to photo Support Touch ID. Auto continue to record after being disturbed by call. Support to change voice speed and pitch. Support for MP3 format direct recording. Support mix audio. Support for camera(unlimited number of photos). Support the recording and playback in the background or lock screen. Query history recording notes and file names by keyword. You can set a password to enter the software and ensure data security. Supports loop or random continuous playback. Support for export to album sharing. Support for Wi-Fi sharing. Support for export to other App to share. Other features: Support for other audio formats to MP3. Support e-mail sharing. Support iTunes sharing. Support photo cropping. Support recording crop (cropped recording format supported ringtone formats, facilitate the production of cell phone ringtones). Support text notes and rename, can note in recording and playback. Support for both compressed and uncompressed format. Provide hourly 20M (MP3), 39M (WAV), 59M (AAC), 78M (WAV), 168M (IMA4), 320M (PCM),40M (MP3),10M (MP3) eight kinds of recording format, where 320M is not compressed recording format, the best sound quality. Set the background music sounds volume(while mix audio). No usage restrictions and no recording length limit, running very stable and reliable,with ads. Very suitable for police,lawyers,journalists,voice acquisition personnel, meeting recording,training record,classroom recordings, music teaching, music production,recording and personal needs. Voice Changer feature is ideal for funny and entertaining.ZTX LE Time Stretch/Pitch Shift technology licensed from Zynaptiq GmbH, http://www.zynaptiq.com/ztx (c) Zynaptiq GmbH.