Christella VoiceUp Downloads & RevenueChristella VoiceUp: MTF Voice · App Store & Google Play
Christella VoiceUp: MTF Voice by Speechtools Ltd is on App Store and Google Play. Active Users (MAU & DAU), Downloads, rankings, keywords, revenue, and rating totals.
Christella VoiceUp: MTF Voice update history & changes
Last change · 7 events since 22 Sep 2016Full timeline ↓🆕AndroidFirst spotted by AppInsider📦iOSUpdated to version 6.4.0🆕iOSFirst spotted by AppInsider📦iOSVersion 6.3.1📦AndroidVersion 10.2.3🆕AndroidReleased on Google Play🆕iOSReleased on the App Store
Full timeline · 7 events
- 🆕Christella VoiceUp: MTF Voice first spotted by AppInsiderAndroidUnited States (found via search)
- 📦Christella VoiceUp: MTF Voice updated to version 6.4.0iOSUpdated help guide
- 🆕Christella VoiceUp: MTF Voice first spotted by AppInsideriOSUnited States (found via developer)
- 📦Christella VoiceUp: MTF Voice version 6.3.1iOSUpdated for iOS27
- 📦Christella VoiceUp: MTF Voice version 10.2.3AndroidMinor bug fixes
- 🆕Christella VoiceUp: MTF Voice released on Google PlayAndroid
- 🆕Christella VoiceUp: MTF Voice released on the App StoreiOS
Collected from the stores by AppInsider since we first spotted the app. Dates are when we saw each change.
Rating
3.3 ★
240 ratings, both stores
Measured
App Store
App details
App ID
1124464717
Publisher
Speechtools Ltd
Publisher country
United Kingdom
On the store since
Sep 2016
10 years on the store
Minimum OS
iOS 17.0+
iPhone XS and later
Devices
iPhone · iPad
Universal purchase
Content rating
12+
Languages
1
EN
Size
85 MB
Also listed in
Medical
Google Play
App details
App ID
co.speechtools.christellamtf
Publisher
SPEECHTOOLS LTD
Publisher country
United Kingdom
Content rating
Everyone
Christella VoiceUp: MTF Voice downloads & installs
Both stores, worldwide. Bands are open; exact numbers are free with an account.
| Store | Downloads / day | Lifetime installs |
|---|---|---|
| App Store | – | – |
| Google Play | – | 50k+ Measured |
| Total | – | 50k+ Confidence |
How this is calculated
App Store: chart positions and rating growth per country, anchored on its own Android downloads; lifetime from ratings worldwide × installs per rating. Google Play: the daily change in its exact install count. The total adds every store.
Active users
All platforms, worldwide. Free with an account.
Stickiness (DAU / MAU)
how many monthly users open it on a given day
How this is calculated
Monthly users come from lifetime installs across every store, fitted on monthly active user figures companies publish; daily users = monthly × the typical daily/monthly ratio for the category. Confidence is the chance the real number is within half to double ours.
In-app revenue
Worldwide, what users spend before Apple and Google take their fee.
| Store | Per day | Per month | Share |
|---|---|---|---|
| App Store | |||
| Google Play | |||
| Total | Confidence | 100% |
Business model: In-app purchase-led
How Christella VoiceUp: MTF Voice makes money: subscriptions, one-off purchases and ads.
In-app purchases
One-off purchases
/mo
of revenue
Where it ranks now
Both stores, across every country we track.
| Store | Best rank | Charting in | US Top Free | US Top Grossing |
|---|---|---|---|---|
| App Store | – | 0 of 30 countries | – | – |
| Google Play | – | 0 of 23 countries | – | – |
Full chart lists: App Store · Google Play.
Ratings
Both stores. Store data, measured.
| Store | Rating | Ratings |
|---|---|---|
| App Store | 4.1 ★ | 56 |
| Google Play | 3.0 ★ | 184 49 written reviews |
| Both stores | 3.3 ★ weighted by ratings | 240 |
About Christella VoiceUp: MTF Voice
Christella Antoni is a Consultant Speech & Language Therapist with over 30 years of 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.
Reviews
=======
"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."
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.
Reviews
=======
"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."
Christella VoiceUp: MTF Voice App Store
Not in any tracked top chart right now.
Updated 8 Nov 2026 · rankings refresh through the day
DeveloperSpeechtools Ltd
CategoryHealth & Fitness
PriceFree
Released
Rating★ 4.1 (56)
Version6.4.0
Age rating12+
First seen by us
24 Oct 2026
24 Oct 2026Rating
4.1 ★
56 ratings
Measured
Christella VoiceUp: MTF Voice on the App Store
App details
App ID
1124464717
Publisher
Speechtools Ltd
Publisher country
United Kingdom
On the store since
Sep 2016
10 years on the store
Minimum OS
iOS 17.0+
iPhone XS and later
Devices
iPhone · iPad
Universal purchase
Content rating
12+
Languages
1
EN
Size
85 MB
Also listed in
Medical
Christella VoiceUp: MTF Voice downloads
Worldwide, per day, and installs to date. The band is open; the exact number is free with an account.
How this is calculated
Apple publishes no download counts. App Store downloads come from chart positions and daily rating growth per country, calibrated on Google Play install counts; lifetime installs from ratings worldwide × installs per rating. Confidence is the chance the real number is within half to double ours.
Active users
All platforms, worldwide. Free with an account.
Stickiness (DAU / MAU)
how many monthly users open it on a given day
How this is calculated
Monthly users come from lifetime installs across every store, fitted on monthly active user figures companies publish; daily users = monthly × the typical daily/monthly ratio for the category. Confidence is the chance the real number is within half to double ours.
In-app revenue
Worldwide, what users spend in Christella VoiceUp: MTF Voice before Apple and Google take their fee.
How this is calculated
Not on any Top Grossing chart: monthly active users × spend per user for its category, measured on the charted apps nearest the bottom of the charts.
Business model: In-app purchase-led
How Christella VoiceUp: MTF Voice makes money: subscriptions, one-off purchases and ads.
In-app purchases
One-off purchases
/mo
of revenue
Where it ranks now
Every top chart it appears in across 30 countries.
| Country | Charts | Rank |
|---|---|---|
| Not charting right now. | ||
Ratings
App Store, worldwide.
Rating
4.1 ★
56 ratings
Measured
Ratings
56
Measured
About Christella VoiceUp: MTF Voice
Christella Antoni is a Consultant Speech & Language Therapist with over 30 years of 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.
Reviews
=======
"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."
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.
Reviews
=======
"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."
Latest updates
6.4.0
Updated help guide
6.3.1
Updated for iOS27
More from Speechtools Ltd
Christella VoiceUp: MTF Voice Android
Not in a tracked Google Play top chart right now.
Updated 8 Nov 2026 · rankings refresh through the day
DeveloperSpeechtools
CategoryMedical
PriceFree
Released
Installs50k+
Rating★ 3.0 (184)
Updated
Content ratingEveryone
Rating
3.0 ★
184 ratings
Measured
Christella VoiceUp: MTF Voice on Google Play
App details
App ID
co.speechtools.christellamtf
Publisher
SPEECHTOOLS LTD
Publisher country
United Kingdom
Content rating
Everyone
Christella VoiceUp: MTF Voice downloads
Worldwide, per day, and installs to date. The band is open; the exact number is free with an account.
How this is calculated
Google Play shows an exact lifetime install count; downloads per day are its daily change (measured). When Play hasn't refreshed the count, they come from new ratings and Top Free chart positions. Confidence is the chance the real number is within half to double ours.
Active users
All platforms, worldwide. Free with an account.
Stickiness (DAU / MAU)
how many monthly users open it on a given day
How this is calculated
Monthly users come from lifetime installs across every store, fitted on monthly active user figures companies publish; daily users = monthly × the typical daily/monthly ratio for the category. Confidence is the chance the real number is within half to double ours.
In-app revenue
Worldwide, what users spend in Christella VoiceUp: MTF Voice before Apple and Google take their fee.
How this is calculated
Not on any Top Grossing chart: monthly active users × spend per user for its category, measured on the charted apps nearest the bottom of the charts.
Business model: In-app purchase-led
How Christella VoiceUp: MTF Voice makes money: subscriptions, one-off purchases and ads.
In-app purchases
One-off purchases
/mo
of revenue
Where it ranks on Google Play
Every top 200 chart it appears in across 23 countries.
| Country | Charts | Rank |
|---|---|---|
| Not in a Google Play top chart right now. | ||
Ratings
Google Play, worldwide.
Rating
3.0 ★
184 ratings
Measured
Ratings
184
Measured
Written reviews
49
Measured
About Christella VoiceUp: MTF Voice
Transform your voice with professional MTF voice training from Christella Antoni, a leading transgender voice specialist, vocal coach and Consultant Speech-Language Pathologist (SLP/SLT) with over 30 years of experience.
PROFESSIONAL VOICE FEMINIZATION TRAINING
Christella VoiceUp delivers comprehensive transgender voice training designed specifically for male to female voice transition. This evidence-based voice feminization program helps trans women develop a naturally feminine voice through expert speech therapy techniques.
COMPLETE MTF VOICE COURSE
15 structured voice lessons across 3 progressive stages provide over 2 hours of expert content. Each lesson builds an essential skill:
• Resonance training - develop forward-focused vocal resonance for a feminine voice quality
• Pitch training - raise and control your voice pitch comfortably and authentically
• Intonation practice - master natural feminine speech patterns
• Vowel and voice modification - refine your articulation
• Integrated voice exercises - combine every skill for a sustained voice transition
EXPERT-DESIGNED, CLINICALLY PROVEN
Created by Christella Antoni, a foremost transgender voice therapist, the course is based on speech therapy methods used in clinical practice. Exercises progress gradually, so you develop your feminine voice securely with just 10 minutes of daily practice.
VOICE ANALYSIS & PROGRESS TRACKING
Measure your progress with the built-in pitch analyzer and regular voice assessments. Watch your voice pitch and control improve over time with detailed voice analysis.
WHO THIS APP HELPS
Christella VoiceUp supports trans women, transgender and LGBTQ+ people seeking gender affirming voice care and relief from voice dysphoria. Whether you're starting your voice transition or refining an established feminine voice, the structured program gives you expert support.
TRUSTED BY PROFESSIONALS
Built by Speechtools, the team behind the Voice Analyst app, and used by speech-language pathologists, voice coaches and voice therapists worldwide. This approach has helped thousands of trans women find their authentic voice.
FREE FEATURES
• Sample voice training lesson
• Pitch analyzer with live voice monitoring
• Introduction to voice feminization techniques
PREMIUM CONTENT
Unlock the complete 3-stage MTF voice training program — all 15 lessons, a thorough voice feminization course designed for lasting results.
START YOUR VOICE JOURNEY
Download Christella VoiceUp today and train with a leading expert — structured pitch training, resonance training and intonation practice, with professional voice coaching guidance at every step. Join the trans community of thousands who have found their authentic feminine voice with Christella Antoni's proven methods.
IS THIS APP FOR YOU?
Wondering how to feminize your voice or sound more feminine? Searching for MTF voice lessons, voice feminization exercises, a voice modification app, or a passing-voice guide? Christella VoiceUp is real speech
PROFESSIONAL VOICE FEMINIZATION TRAINING
Christella VoiceUp delivers comprehensive transgender voice training designed specifically for male to female voice transition. This evidence-based voice feminization program helps trans women develop a naturally feminine voice through expert speech therapy techniques.
COMPLETE MTF VOICE COURSE
15 structured voice lessons across 3 progressive stages provide over 2 hours of expert content. Each lesson builds an essential skill:
• Resonance training - develop forward-focused vocal resonance for a feminine voice quality
• Pitch training - raise and control your voice pitch comfortably and authentically
• Intonation practice - master natural feminine speech patterns
• Vowel and voice modification - refine your articulation
• Integrated voice exercises - combine every skill for a sustained voice transition
EXPERT-DESIGNED, CLINICALLY PROVEN
Created by Christella Antoni, a foremost transgender voice therapist, the course is based on speech therapy methods used in clinical practice. Exercises progress gradually, so you develop your feminine voice securely with just 10 minutes of daily practice.
VOICE ANALYSIS & PROGRESS TRACKING
Measure your progress with the built-in pitch analyzer and regular voice assessments. Watch your voice pitch and control improve over time with detailed voice analysis.
WHO THIS APP HELPS
Christella VoiceUp supports trans women, transgender and LGBTQ+ people seeking gender affirming voice care and relief from voice dysphoria. Whether you're starting your voice transition or refining an established feminine voice, the structured program gives you expert support.
TRUSTED BY PROFESSIONALS
Built by Speechtools, the team behind the Voice Analyst app, and used by speech-language pathologists, voice coaches and voice therapists worldwide. This approach has helped thousands of trans women find their authentic voice.
FREE FEATURES
• Sample voice training lesson
• Pitch analyzer with live voice monitoring
• Introduction to voice feminization techniques
PREMIUM CONTENT
Unlock the complete 3-stage MTF voice training program — all 15 lessons, a thorough voice feminization course designed for lasting results.
START YOUR VOICE JOURNEY
Download Christella VoiceUp today and train with a leading expert — structured pitch training, resonance training and intonation practice, with professional voice coaching guidance at every step. Join the trans community of thousands who have found their authentic feminine voice with Christella Antoni's proven methods.
IS THIS APP FOR YOU?
Wondering how to feminize your voice or sound more feminine? Searching for MTF voice lessons, voice feminization exercises, a voice modification app, or a passing-voice guide? Christella VoiceUp is real speech
What's new in 10.2.3
Minor bug fixes