Christella VoiceUp, developed by Speechtools Ltd, is an innovative app designed to help individuals feminize their voices. Created by Christella Antoni, a leading expert in transgender voice modification with over 20 years of experience as a Consultant Speech & Language Therapist, this app offers a comprehensive voice feminization course.

The app provides a free sample lesson and pitch analysis, allowing users to track their pitch changes over time. With just 10 minutes of daily practice, Christella VoiceUp promises to help users develop a more feminine voice.

The complete voice feminization course consists of three stages - beginners, intermediate, and advanced - each available as an in-app purchase. Each stage includes five separate lessons covering various aspects of voice and speech feminization, such as resonance, pitch, intonation, and vowel length. The final lesson of each stage combines these skills to help users gain control over sustaining their feminized voice.

Christella VoiceUp stands out for its clear explanations and demonstrations by Christella herself. The exercises are based on her successful treatment model and gradually increase in length and complexity as users progress through each stage, ensuring a secure acquisition of voice feminization skills.

Overall, users have expressed their satisfaction with the app, describing it as life-changing and highly effective. Whether individuals are unable to access face-to-face voice therapy or are looking to supplement their therapy, Christella VoiceUp comes highly recommended.