Comparison

MultiTracks.com ChartBuilder vs Vocal Booth

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

Head to head
About

MultiTracks.com ChartBuilder

Customize song charts with adjustable keys, capo settings, and chord displays. Add annotations, create setlists, and sync with audio playback for seamless practice and performance. Access a vast library of charts with a subscription.

Highlights
  • Endless chart customization
  • Adjustable key, capo, and chord display
  • In-app annotations and highlighting
  • Setlist creation and collaboration
  • Sync with audio playback
  • Multiple chart type options
Features
Currently charting
Read full description

ChartBuilder® allows you to endlessly customize each chart to meet your needs. Change the Key, Capo, Chord Display, & Layout with filters. Write, type, & highlight in any song section on your charts with Annotations. Easily save & recall them at any time. Lead with confidence. ChartBuilder® Features: • Access to every chart in our catalog with an active ChartBuilder Content Subscription • Teams with RehearsalMix can listen to the original song with a specific instrument turned up or down! • Create & Collaborate on setlists with your team in Playback, ChartBuilder and on our Website. • Charts available in all 12 keys • ChartBuilder and RehearsalMix Sync: Your chart auto-scrolls as RehearsalMix audio plays • Loop individual song sections in the RehearsalMix • Chart Type options (Chords & Lyrics, Lyrics, or Song Map) • Chord Display options (Chords, Numbers, Numerals, or Do-Re-Mi) • Change song section style (Condensed or Full) • Annotations • Optional Song Map that matches the original recording and MultiTrack • Optional MD Notes • Browse songs by Title, Album, Genre, Theme, or Top Songs • Bluetooth Control (Compatible with AirTurn, Coda Music, Donner, and other external keyboard devices) • View user-generated Cloud Charts Solo Practice Bundle (5.99 per Month): • Free 30-day trial (Subscription renews at end of 30-day​ trial) • Payment will be charged to iTunes Account at confirmation of purchase. • Subscription automatically renews unless auto-renew is turned off at least 24-hours before the end of the current period • The account will be charged for renewal within 24-hours prior to the end of the current period for $5.99 • Subscriptions may be managed by the user and auto-renewal maybe be turned off by going to the users' Account Settings after purchased • Any unused portion of a free trial period will be forfeited when the user purchases a subscription where applicable Terms of Use (https://www.multitracks.com/terms/) ChartBuilder Team Content (12.99 per Month): • Free 30-day trial (Subscription renews at end of 30-day​ trial) • Payment will be charged to iTunes Account at confirmation of purchase. • Subscription automatically renews unless auto-renew is turned off at least 24-hours before the end of the current period • The account will be charged for renewal within 24-hours prior to the end of the current period for $12.99 • Subscriptions may be managed by the user and auto-renewal maybe be turned off by going to the users' Account Settings after purchased • Any unused portion of a free trial period will be forfeited when the user purchases a subscription where applicable • Terms of Use (https://www.multitracks.com/terms/) ChartBuilder App (1.99 per Month) • Free 30-day trial (Subscription renews at end of 30-day trial) • Payment will be charged to iTunes Account at confirmation of purchase. • Subscription automatically renews unless auto-renew is turned off at least 24-hours before the end of the current period • The account will be charged for renewal within 24-hours prior to the end of the current period for $1.99 • Subscriptions may be managed by the user and auto-renewal maybe be turned off by going to the users' Account Settings after purchased • Any unused portion of a free trial period will be forfeited when the user purchases a subscription where applicable • Terms of Use (https://www.multitracks.com/terms/) Price may vary by location. Subscriptions will be charged to your credit card through your iTunes account. Your subscription will automatically renew unless canceled at least 24 hours before the end of the current period. You will not be able to cancel the subscription once activated. Any unused portion of a free trial will be forfeited if you upgrade from a free subscription to a paid version. Manage your subscriptions in Account Settings after purchase. For more details on our Privacy Policy and Terms of Use please visit: http://www.multitracks.com/privacy/ and http://www.multitracks.com/terms/

About

Vocal Booth

This app offers vocalists engaging exercises and expert coaching to develop their voice and prevent strain. Train on the go with curated sessions, track progress, and connect with a supportive community.

Highlights
  • Vocal Workouts
  • Community Forum
  • Activity Tracker
  • Pro-Tips & Blog
  • Expert Coaching
  • Offline Sync
Features
Read full description

We help vocalists train their voice, on the go, so they don’t hurt it. Develop your best voice and get rid of vocal strain with short, engaging vocal exercises and techniques! You no longer have to spend time swiping through uninteresting, disengaging, and outdated vocal exercises, only to find they don’t fit your voice or teach you anything about it. Now you can train your voice on the go with our expert vocal coaching sessions and original sound tracks. MAIN FEATURES + Vocal Workouts: train with individual vocal workouts, curated vocal training sessions, and vocal growth categories. + Community: Join an active community of vocal users like you. Ask questions, share your story, and swap best practice tips. You can also get your questions answered by one of our expert vocal coaches. + Activity Tracker: You can track your workout activity and app usage. You can also save your favorite exercises for easy reference the next time you visit the app, and climb atop the community leader board with app “check-ins”. + Pro-Tips/ Blog: Increase your vocal knowledge through video and audio based pro-tips and blogs. Find the education you need to learn about how each workout benefits you, and make the tweaks you need to break through to the next level of your ability. INFORMATION ABOUT THE APP AND PURCHASE OPTIONS By signing up, you will get access to subscription(s) that include features such as progress tracking, and offline sync. The download of Vocal Booth is free of charge. No free trial offered. Should you use Vocal Booth app to access in-app content via available subscription(s), a payment will be charged to your credit card through your App Store account . A subscription renews automatically unless canceled at least 24 hours prior to the end of the subscription period. There is no increase in price when renewing. Subscription(s) can be managed and auto-renewal turned off in Account Settings in the App Store after purchase. Read our full Terms of Service and our Privacy Policy: https://passion.io/terms-of-service https://passion.io/privacy-policy

Screenshots

MultiTracks.com ChartBuilder4 screens
Vocal Booth4 screens

Verdict

The call

The clearest difference is monetization model: Vocal Booth at free with in-app purchases against MultiTracks.com ChartBuilder's subscription. Vocal Booth also leads on rating (5.0 vs 4.8). MultiTracks.com ChartBuilder's advantage is ads (none vs shown) and ratings volume (6.2K vs 5). On price, in-app purchases 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

Both are free to download. MultiTracks.com ChartBuilder sells 4 in-app purchases, starting at $2.99 per month and Vocal Booth sells 2 in-app purchases, starting at $7.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Vocal Booth holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: MultiTracks.com ChartBuilder has 6.2K ratings behind it against 5, so its average is the more settled of the two.

UpkeepUpdate frequency

MultiTracks.com ChartBuilder ships an update monthly, Vocal Booth every 3 months. The most recent releases landed on November 6, 2026 and October 30, 2026 respectively.

Scorecard7 real differences · 4 level
MultiTracks.com ChartBuilder versus Vocal Booth: the parameters behind the verdict, then further details
ParameterMultiTracks.com ChartBuilderVocal Booth
PriceFreeFree
Rating4.8 (6.2K ratings)5.0 (5 ratings) — better
Positive reviews63.1% of reviews—
Number of ratings6.2K — better5
Update frequencyMonthly — betterEvery 3 months
AdsNo — betterYes
In-app purchasesYesYes
MonetizationSubscriptionFree with in-app purchases — better
Best chart rank#119 — better—
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.4 — better26.0
Further details — not scored
Size283 MB114 MB
Age rating4+4+
DeveloperMultiTracks.comFreedom Ground Ministries, LLC

Customer experience

MultiTracks.com ChartBuilder

All ratings6,021 ratings
Positive95.2%
Neutral2.0%
Negative2.8%
Written reviews271 reviews
Positive63.1%
Neutral10.3%
Negative26.6%

Vocal Booth

All ratings5 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and requests

MultiTracks.com ChartBuilder

Reported bugs

5 issues
  • Crashes and freezes on launch
  • Inconsistent key changes and song resets
  • Sync issues between devices and the web portal
  • Screenshots triggering account disabling warnings
  • Inability to use app while locked or in background

Requested features

5 requests
  • Ability to customize arrangements and parts
  • Improved offline functionality
  • More control over click track and vocal cues
  • Better integration with other apps and devices
  • Increased font size and accessibility options

Vocal Booth

Not enough reviews yet to summarise bugs or requests.

In-app purchases

4 purchases

MultiTracks.com ChartBuilder

Subscriptions4
  • ChartBuilder App$2.991 Month
  • Solo Practice Bundle$6.991 Month
  • Content Subscription$14.991 Month
Show 1 more
  • Chart Pro$21.491 Month
2 purchases

Vocal Booth

Subscriptions2
  • Vocal Booth (Monthly)$7.991 Month
  • Vocal Booth (Yearly)$49.991 Year

Questions

Is MultiTracks.com ChartBuilder free?
MultiTracks.com ChartBuilder is free to download, with in-app purchases available.
Is Vocal Booth free?
Vocal Booth is free to download, with in-app purchases available.
Which has better reviews, MultiTracks.com ChartBuilder or Vocal Booth?
Vocal Booth is rated higher. MultiTracks.com ChartBuilder averages 4.8 out of 5 from 6.2K ratings, while Vocal Booth averages 5.0 from 5 ratings.
Do MultiTracks.com ChartBuilder or Vocal Booth have ads?
Vocal Booth shows ads; MultiTracks.com ChartBuilder does not.
Which is updated more often, MultiTracks.com ChartBuilder or Vocal Booth?
MultiTracks.com ChartBuilder ships an update monthly, and Vocal Booth every 3 months. Most recently, MultiTracks.com ChartBuilder was updated on November 6, 2026 and Vocal Booth on October 30, 2026.

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