Comparison

Voice Builder vs Jamzone

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Voice Builder

Enhance vocal power, resonance, range, and endurance for singing and speaking. This app utilizes a revolutionary vocal exercise system with neutral tone technology and guided sessions for effective voice muscle development.

Highlights
  • Vocal power, resonance, range, and endurance enhancement
  • Based on The Catona Voice Building System
  • Neutral Tone Technology for perfect pitch
  • Automatic voice-building exercises
  • Volume & pitch visual guides
  • Over 20 voice-building sessions
  • Audio commands and video demonstrations
Features
Currently charting
Read full description

--RANKED IN TOP 100 MUSIC APPS WORLDWIDE!*-- Voice Builder™ is a breakthrough iOS application for bringing power, resonance, range, flexibility, and endurance to the singing or speaking voice. It is the only application of its kind to be based on The Catona Voice Building System™, the revolutionary vocal exercise program for developing the muscles of the human voice. The Catona Voice Building System is the brainchild of renowned voice builder Gary Catona, who has trained many of today’s most successful singers and entertainers, including: - Whitney Houston - Andrea Bocelli - Babyface - Sade - Seal - Usher - Shakira - Lenny Kravitz - Tony Bennett - Lionel Ritchie - And many others KEY FEATURES: - Neutral Tone Technology™: Instead of vocalizing to a pre-recorded human voice (and its imperfections), you instead vocalize to a tone that is always in perfect pitch. 
- Voice-building exercises play automatically with a simple touch of a button. 
 - Volume & pitch guides provide an effective visual aid in performing voice-building exercises in the correct pitch and volume.
 - Over 20 voice-building sessions for both male and female singers and speakers. A setup wizard makes choosing the right voice-building session quick & easy. 
- Gary Catona guides you every step of the way with audio commands and numerous video demonstrations. 
 - A short video tutorial gets you up to speed quickly on both The Catona Voice Building System and the Voice Builder application. Long considered a well-guarded secret in the entertainment industry, Voice Builder now makes the Catona Voice Building System available to the world by means of an elegant, innovative, and intuitive application which is a pleasure to use, whether it be at home or on-the-go. To learn more about Gary Catona and The Catona Voice Building System, visit www.garycatona.com. *on 7/25/12

About

Jamzone

Access thousands of studio-quality backing tracks with synced chords and lyrics. Customize songs by adjusting tempo, key, and instruments. Record your practice sessions and manage playlists for seamless performance.

Highlights
  • Thousands of studio-quality backing tracks
  • Customizable tempo, key, and instruments
  • Synced chords and lyrics
  • Chord diagrams for guitar and piano
  • Record practice sessions and live gigs
  • Create and manage playlists
  • Bluetooth and MIDI controller support
Features
Currently charting
Read full description

Jamzone: Jam with a Virtual Band of Real Musicians Take your music practice and performance to the next level with Jamzone. Access thousands of studio-quality backing tracks, customize them to match your style, and jam along with synced chords, diagrams, and lyrics for a truly immersive experience. Perfect for musicians, singers, and bands of all levels! WHY YOU NEED JAMZONE → The sound of your Legends and Today’s Hits in HD • Choose from over 70,000+ studio-quality backing tracks in various styles (Rock, Pop, Hip Hop, Blues, Jazz, Reggae, Latin, and more), and bring your sessions to life with the sound of a real band. Personalize Your Sound like a Pro • Customize tracks, isolate vocals or instruments, adjust tempo, transpose songs, change keys, simplify chords, and match them to your instrument's tuning—all in one app. • Change the sound of the metronome, loop specific sections and explore advanced options. • Add your own plugins (equalizer, compressor, reverb and more). • With the 'Audio Input' feature, record your jam sessions directly from your device’s built-in microphone or any external mic and instrument using a compatible audio interface. Create your Setlists, Play and Download your Performance • Access thousands of songs and record your sessions—perfect for rehearsals or capturing live gigs • Create and manage multiple playlists effortlessly for every session. Master Your Skills with Chord Diagrams • View guitar and piano chord diagrams for any song. • Use the chord simplification tool to customize chords for your playing level, whether you’re a beginner, intermediate, or pro. Take control of the app with Bluetooth & Midi controllers • Control everything live with any device connected to the app via Bluetooth or MIDI. • Create your own shortcuts for quick actions on audio playback. Settings Cloud Sync • Your song parameters are automatically synced in the cloud. • This allows you to recover and use your very own Jamzone anywhere, and on any device (phone/tablet/laptop) you have access to. It's your Music, Your Choice! Download now and elevate your musical experience. ----- "Jamzone is an entire audio library for musicians. You can jam along to what is essentially the proper studio recording" - Ryan Bruce, Guitarist "This is an app unlike any I've ever seen before. This is what you want if you are looking to improve your ear training" - Tyler "Music is Win", Guitar teacher, Youtube Creator "This is just gonna be such a game changer, especially for harmonica players, because you can manipulate the key of the song" - Julia Dill, Certified Hohner Harmonica Artist Terms of service: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Voice Builder4 screens
Jamzone4 screens

Verdict

The call

The clearest difference is price: Jamzone at Free against Voice Builder's $4.99. Jamzone also leads on ratings volume (9.8K vs 118) and rating (4.8 vs 4.6). Voice Builder's advantage is in-app purchases (none vs 2) and ads (none vs shown). On review sentiment, update cadence, chart position and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Jamzone is free to download; Voice Builder costs $4.99 up front. Jamzone sells 2 in-app purchases, starting at $9.99 per month. Voice Builder asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Jamzone holds the better App Store score, 4.8 against 4.6. That said, the two scores are not equally well evidenced: Jamzone has 9.8K ratings behind it against 118, so its average is the more settled of the two. Written reviews point the same way: 76% of Voice Builder's written reviews are positive against 83% of Jamzone's.

UpkeepUpdate frequency

Voice Builder ships an update fortnightly, Jamzone monthly. The most recent releases landed on November 10, 2026 and November 11, 2026 respectively.

Scorecard7 real differences · 4 level
Voice Builder versus Jamzone: the parameters behind the verdict, then further details
ParameterVoice BuilderJamzone
Price$4.99Free — better
Rating4.6 (118 ratings)4.8 (9.8K ratings) — better
Positive reviews76.1% of reviews83.4% of reviews — better
Number of ratings1189.8K — better
Update frequencyFortnightly — betterMonthly
AdsNo — betterYes
In-app purchasesNo — betterYes
MonetizationPaidFree with in-app purchases — better
Best chart rank#193#91 — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod, Mac — better
Requires iOS11.0 — better15.0
Further details — not scored
Size142 MB54 MB
Age rating4+4+
DeveloperGary CatonaRecisio

Customer experience

Voice Builder

All ratings114 ratings
Positive88.6%
Neutral0.9%
Negative10.5%
Written reviews67 reviews
Positive76.1%
Neutral6.0%
Negative17.9%

Jamzone

All ratings9,021 ratings
Positive96.2%
Neutral2.0%
Negative1.8%
Written reviews753 reviews
Positive83.4%
Neutral5.2%
Negative11.4%

User reviews

Voice Builder

From 118 App Store ratings

What we love

  • 🚀 Transformative vocal improvement
  • 💪 Increased vocal power and control
  • 🗣️ Enhanced vocal range
  • 🌟 Reduced vocal fatigue
  • 🎶 Improved singing ability overall

Room to improve

  • 🐛 Difficulty exiting app on iPhone X
  • 🐛 Screen orientation bug on iPad
  • 🐛 App appears upside down on startup
  • 🐛 Update issues causing cycling setup screens
  • 🐛 No audio on iPhone

Jamzone

From 9.8K App Store ratings

What we love

  • 🚀 Awesome app
  • 🎨 Great for learning and practicing
  • 🎶 Excellent backing tracks
  • 🎛️ Flexible mixing controls
  • 🔑 Key and tempo changes

Room to improve

  • 🐛 Occasional crashes or glitches
  • 💰 Subscription model too expensive for casual users
  • 🔍 Limited song selection in some genres
  • 🔊 Volume levels inconsistent
  • 📂 Difficulty managing setlists and playlists

Bugs and requests

Voice Builder

Reported bugs

6 issues
  • Cannot exit app on iPhone Xs
  • Screen orientation bug on iPad
  • App appears upside down on startup
  • App keeps cycling through set-up screens after update
  • No audio on iPhone
Show 1 more
  • App does not allow use on another device

Requested features

9 requests
  • Better explanation of the method
  • More detailed instructions on exercises
  • Recording feature for voice comparison
  • More customization options for vocal range
  • Demonstrations for each tone
Show 4 more
  • Link to web demonstrations
  • More information on natural pitch ranges
  • Ability to turn off the singing head visual
  • More features added

Jamzone

Reported bugs

4 issues
  • Chords and lyrics not always accurate
  • Capo feature not working as expected
  • Setlist management issues
  • Connectivity problems when downloading songs

Requested features

5 requests
  • Ability to loop specific sections of songs
  • More advanced arrangement and customization options
  • Integration with DAWs and other music software
  • Offline access to downloaded songs
  • Improved visual metronome and click track

In-app purchases

None

Voice Builder

No in-app purchases

2 purchases

Jamzone

Subscriptions2
  • Jamzone Premium$9.991 Month
  • Jamzone Pro$19.991 Month

Questions

Is Voice Builder free?
Voice Builder costs $4.99, with no in-app purchases.
Is Jamzone free?
Jamzone is free to download, with in-app purchases available.
Which has better reviews, Voice Builder or Jamzone?
Jamzone is rated higher. Voice Builder averages 4.6 out of 5 from 118 ratings, while Jamzone averages 4.8 from 9.8K ratings.
Do Voice Builder or Jamzone have ads?
Jamzone shows ads; Voice Builder does not.
Which is updated more often, Voice Builder or Jamzone?
Voice Builder ships an update fortnightly, and Jamzone monthly. Most recently, Voice Builder was updated on November 10, 2026 and Jamzone on November 11, 2026.
Which is more popular, Voice Builder or Jamzone?
Voice Builder currently peaks at #193 in the App Store charts, and Jamzone at #91. Chart position reflects recent download velocity rather than total install base.

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