• Christella VoiceUp - Feminize your voice 1
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Christella VoiceUp - Feminize your voice

Christella Antoni is a Consultant Speech & Language Therapist with over 20 years experience and is the UK's leading expert in transgender voice modification. Christella Voiceup will teach you how to feminize your voice.

VoiceUp contains a FREE sample lesson and a FREE pitch analysis and graph so you can track your pitch change over time.

With 10 minutes of daily practice, Christella VoiceUp will help you feminize your voice!

The complete voice feminization course contains over 2 hours of voice therapy training in 3 stages - beginners, intermediate and advanced. Each stage is available as an in-app purchase. Each stage contains five separate lessons which cover the fundamental aspects of voice and speech feminization. These involve modification of your resonance, pitch, intonation and vowel length. The final lesson of each stage combines these skills to help you develop control sustaining your feminized voice.

All exercises are demonstrated by Christella and provide a consistent voice model with clear explanations. The exercises are based on Christella's successful treatment model and gradually increase in length and complexity as you progress through each stage to ensure that you will securely acquire voice feminization skills.


"I love it !!!! This is the best app ever !!! - I would thoroughly recommend it - and it has been very helpful"

"So incredibly happy with this app. I have terrible anxiety and discomfort around my voice and having someone give clear instructions and lessons completely anonymously is a lifesaver. "

"Creates an amazing feeling that anything is achievable with the right guide and support. Thank you so much for making this App available for everyone"

"If you can’t / dont want to access voice therapy face to face for whatever reason, or you’re looking to supplement your face to face therapy – I’d definitely recommend it!"

"Not cheap but worth it as really good and really is life changing when what comes out your mouth match your mind and body"

"I'm using this app as a speech pathologist with my transgender clients. The techniques are extremely effective, easy to do, and my client's voice is becoming more feminine. Thank you Christella for developing this fantastic app."

Category : Medical

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Reviews (30)

Lis. H. Nov 3, 2018     

I've bought this app, all 3 sessions to help as a supporting tool to professional speech therapy , following recent vocal cord surgery. The sessions fit in quite nicely with my morning and evening commute. I'm not looking to improve pitch as the surgery has done that for me, but the intonation work is really helping. As my pitch is already quite good I was able to skip the basics but parts 2 and 3 are very helpful. My only criticism has been mentioned before, that being you can't fast forward through bits to speed up the session. I found I've been doing much of the more advanced practices, reading poetry and also speaking song lyrics as they flow in a similar way. A great app and while it can be expensive to some, it's worth it if you're tired of being misgendered on the phone etc.

Kry. C. Dec 3, 2019     

I am very pleased with the lessons and feel its a minimal investment for a longterm gain. I am devout in my lessons and understand the app, as well as its design, is simply not the end all be all. Like anything else in life, you get out of it what you put into it. Practice, practice and practice. Many thanks from this Trans women who is verm much pleased with your economical lessons, well done sweetheart!!

Mad. C. Mar 20, 2021     

I've paid for the stage 1 lesson package and find it to be very helpful. I just have to be mindful not to develop her accent! Recently tho, I've had major issues with the "analyse" function. It is telling me that my average speaking pitch is 81Hz! This is impossible, as my "male" voice is t even nearly that low. Its very discouraging that as I practice more and more, the app has told me I am getting more and more masculine. I am certain this is not my reality. Can the developers help me here?

Mel. L. F. May 15, 2020     

Easily the most comprehensive vocal feminization training app, and well worth the spend. Vastly improved interface as compared to a year or two ago. Quibbles: Tutor's accent is not neutral and may present a challenge to North American English speakers not wanting to project an affected accent.

Ren. B. Mar 18, 2022     

Not very helpful. This app is little more than a repeat after me app. Very little actual 'how to' content. In my opinion there are free youtube videos that are much more informative than this app. If I could get my money back I would

Emi. D. Apr 25, 2020     

I wanted to love the app, but it's too easy to make mistakes e.g. going into falsetto as it's very focused on pitch and doesn't tell you what NOT to do. I'm now waiting for an ENT appointment as I've damaged my voice using this app 2-3x a week for only a month and most likely have nodules! Yes, I was absolutely doing it wrong but the app doesn't tell you anything about voice damage/common mistakes. I wish I'd paid for a speech therapist.

Sam. Mar 19, 2019     

The free lesson could be better. It just seemed I was saying words as normal even with holding the "mm" sound and feeling the vibration etc. The pitch analysis seems flawed as a concept in these kind of apps. I can just swing my voice into something silly sounding and hit "90% feminine" while just sounding like a guy doing a silly voice. Obviously that's using it in an unintended way, but it means I can't put much faith in the analysis as a result. Not sure I want to put £15 into buying a lesson.

Reb. T. Jul 27, 2021     

Close to useless. Much of this app consists of repeating simple words and phrases in a tedious manner. There is nothing which aids the feminisation of the voice such as how to shorten the vocal tract and raising resonance and tone. YouTube videos, such as the practical and well-researched TransVoiceLessons or Elaine Walquist, are more useful and effective. I wasted my money on this.

Mil. M. Oct 27, 2019     

Upgrade phone, and Stage 1 lessons gone. I've just upgraded my mobile phone from a Samsung Galaxy Note 8 to a Galaxy Note 10+. Now all stages except the free intro are not available, including stage one which I paid for.

Rho. D. Jan 24, 2019     

It's a great app for transwomen to feminize their voices, but, after purchasing stage 2, it's telling me I must purchase it again to use it. What gives with that? I'll purchase no additional stages until this glitch is fixed.

The. H. Jul 6, 2020     

All the information on how to change your voice costs. The only part that is free is the voice analyzer. (Which is fine) But some info on what I am doing right or wrong would be nice.

Ada. T. Aug 9, 2019     

I've purchased the first two lessons, and now the app crashes whenever I try to open it. I've tried reinstalling it multiple times, and it still wont work. $30 down the drain.

Jac. C. Apr 12, 2022     

This app is useless. It's a glorified pitch monitor, and I can easily get a "99% Female" readout by simply speaking in falsetto.

Jos. B. May 28, 2020     

App update now wants me to repay to get the lessons I've already paid for. Also I heard good things about this app, but you really need an instructor that doesn't have an British English accent. I certainly don't want to be sounding like I'm a British woman as I'm American.

flo. Jan 6, 2021     

Thanks for a Great app I use for practicing whilst out and about walking. Would be great if it could run in the background with the screen turned off so my hands don't get so cold : )

mat. h. Dec 18, 2021     

Very misleading app itself is free, however to do anything is 20 bucks a course not bad. Just can't help but very mislead.

Nic. S. Apr 20, 2019     

I'm not expecting this to be immediate or easy but the app was frustrating due to the fast speed. Also having someone describe how to change your voice when they never had to is pointless.

Mar. K. Dec 21, 2019     

!This is not a free app! I just finished lesson one and I'm already speaking differently. Other self programs tell me i need to say words differently, this app shows me specifically how I should be saying them. I think this will be very helpful.

Jor. B. Jan 22, 2019     

I successfully learned techniques to sound more feminine directly from this app! The lessons ARE useful, but the price(s) seemed high.

B. S. Oct 26, 2019     

This app has helped me more than any other. I didn't understand the repetition at first but the more I practice the more I hear the benefit. I wish there was a part 4!

Rhi. C. Apr 28, 2020     

Been using this app for a while now and have found the lessons to be great (purchased the first couple of stages). I find the assessment tool really useful!

Wil. D. Jun 4, 2020     

Second to Last update wiped all my data, even after updating none of my stuff will save, even with most recent update, this app is now trash.

And. D. Jun 21, 2021     

These apps are hella stupid I checked it out cuz couldn't believe there really is an app for this!!! But how can an app do that? Change your voice? No way its the hormones that feminize a persons voice duh thats why girls sound different than boy's naturally....

sar. d. May 18, 2019     

Good clear instructions with practical ideas. Supporting articles are really helpful too.

M.. A. May 22, 2020     

It helps to get an "idea" but being hardware reliant you never know how acurate it is.

Pet. Y. Sep 20, 2018     

It seems really good except Stage one stops at the letter P when reciting the alphabet

Tea. A. May 25, 2020     

Nothing happens. It's stuck on one screen

Lil. W. Apr 13, 2021     

Lessons aren't free, but the ranking is

Xet. b. C. May 21, 2022     

About 50% at least give a free lesson first tho

Tim. M. Feb 23, 2021     

Very helpful fir the experiment I was trying.