Comparison

Sing Harmonies vs Harmonize Trainer

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

Head to head
About

Sing Harmonies

Learn to sing harmony with multi-track vocal arrangements. Mute or play individual singers to practice your part. No prior experience or music reading is needed.

Highlights
  • Multi-track vocal arrangements
  • Adjustable singer volume
  • Practice individual vocal parts
  • Learn without reading music
  • Song library with in-app purchases
  • Progressive difficulty levels
Features
Read full description

This harmony singing app comes with three songs, with 50 more available through in-app purchase. Learn how to sing harmony and polish your harmonizing skills by playing or muting any of the singers as you sing along with 4-part vocal arrangements of "Lean On Me", "Teach Your Children", and "Proud Mary". Harmonizing is easy with this multi-track learning app. "Great for vocalists who have difficulty hearing or singing harmonies." https://makingmusicmag.com/8-spectacular-apps-for-singers/ The 50 additional songs available through in-app purchase include "Hallelujah", "Amazing Grace", “Sound of Silence”, “Take Me Home, Country Roads”, "Shallow", "Seven Bridges Road”, “Let it Be”, and many more. Detailed song info is at https://singharmonies.com/. "One of the best iPad apps for singers.” https://www.apppicker.com/applists/2488/the-best-ipad-apps-for-singers DETAILS • No music reading, previous singing experience, or training necessary. • Support, song info, harmonizing tips and more can be found at https://www.singharmonies.com. • The vocal harmony arrangements range from easy to challenging. Vocal arrangements, difficulty level, and keys are on the song info page at https://www.singharmonies.com/song-info. • Works with iPhone, iPod Touch, and iPad with iOS 9 and later. • All ages can use. • Please note that the app cannot be used with songs in other music libraries on your device. HOW TO USE • Tap ‘play’ to hear a 4-part harmony version of the song. Tap any singer to rotate through the three volume settings: full, soft, and silent. Tap the band in the background to turn the music track on or off. • To hear and learn any of the parts, mute the three other singers and sing along with the solo voice, with or without the music track. Then tap any or all of the other singers and sing your part along with them. • The voices can be added or muted as the song progresses, and can be played at half volume as a guide while the other voices are set at full volume. • Move to different parts of the song with the slider at the bottom of the screen. • Tap the menu icon to navigate to other areas of the app. Tap My Library to view and select any the songs you can currently play. Tap Song Store to see available songs and to purchase more songs. Tap More Info for instructions and support.

About

Harmonize Trainer

Features
Read full description

Learn to practice harmonizing with real-time feedback. Use the practice mode to hear notes and practice singing major 3rd and 5th harmonies. Short, easy-to-understand lessons introducing you to harmonies - simple enough for any age. No theory, all practical. Find your vocal range so your lessons align to you specifically.

Screenshots

Sing Harmonies4 screens
Harmonize Trainer3 screens

Verdict

The call

The clearest difference is in-app purchases: Harmonize Trainer at none against Sing Harmonies's 10. Harmonize Trainer also leads on update cadence (every 3 months vs every 6 months). Sing Harmonies's advantage is iOS requirement (9.0 vs 15.0). On price, ads 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

Sing Harmonies costs $1.99 and Harmonize Trainer $1.99 up front. Sing Harmonies sells 10 one-off in-app purchases. Harmonize Trainer asks for nothing beyond the download.

UpkeepUpdate frequency

Sing Harmonies ships an update every 6 months, Harmonize Trainer every 3 months. Both last shipped on November 6, 2026.

Scorecard3 real differences · 7 level
Sing Harmonies versus Harmonize Trainer: the parameters behind the verdict, then further details
ParameterSing HarmoniesHarmonize Trainer
Price$1.99$1.99
Rating3.7 (24 ratings) — better—
Positive reviews54.9% of reviews—
Number of ratings24 — better—
Update frequencyEvery 6 monthsEvery 3 months — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS9.0 — better15.0
Further details — not scored
Size68 MB31 MB
Age rating4+4+
DeveloperSusan AndersStephen Michael Cesler

Bugs and requests

Sing Harmonies

Reported bugs

13 issues
  • Purchased songs not appearing in library
  • Unable to connect with app creator
  • Tuning issues with some singers
  • App crashes immediately after opening
  • App fails to open
Show 8 more
  • No sound at all
  • App messed up by new iOS update
  • Cannot open app anymore
  • Previous purchases not accessible after iOS update
  • No sound from the app
  • App loads but no sound
  • No sound when using paid or free app
  • Suggest song button does nothing

Requested features

29 requests
  • Update with new songs
  • Loop function
  • Turn down band volume
  • More songs (Everly Brothers, Royals, etc.)
  • Add more songs
Show 24 more
  • Discount for buying multiple songs
  • Expand the library
  • Add more modern songs
  • Ability to change key
  • Arrangements for a Capella singers
  • Add lyrics and sync them
  • Provide feedback on pitch accuracy
  • Ability to record efforts
  • Add 'Mr. Sandman' and 'Lollipop'
  • Turn off display to save battery
  • Auto repeat songs
  • Add songs that go with 'Harmony Singing by Ear'
  • Automatic loop for practice
  • Songs continue to play when screen shuts off
  • Visual indicator for lead singer
  • Ability to add own songs
  • Break down harmony parts for any song
  • Add 'Don't Stop Believing'
  • Sell songs for $2 each as in-app purchases
  • More free songs
  • More choices for songs
  • Upgrade for new iOS versions
  • Fix tuning issues
  • Auto-tune voices

Harmonize Trainer

Not enough reviews yet to summarise bugs or requests.

In-app purchases

10 purchases

Sing Harmonies

One-time10
  • Amazing Grace$0.99
  • Hallelujah (Cohen)$0.99
  • Over The Rainbow$0.99
Show 7 more
  • Rolling In The Deep$0.99
  • Silent Night$0.99
  • California Dreamin$0.99
  • Peaceful Easy Feeling$0.99
  • Can't Help Falling In Love$0.99
  • Bridge Over Troubled Water$0.99
  • Country Roads (Take Me Home)$0.99
None

Harmonize Trainer

No in-app purchases

Questions

Is Sing Harmonies free?
Sing Harmonies costs $1.99, and also offers in-app purchases.
Is Harmonize Trainer free?
Harmonize Trainer costs $1.99, with no in-app purchases.
Do Sing Harmonies or Harmonize Trainer have ads?
Neither Sing Harmonies nor Harmonize Trainer shows ads.
Which is updated more often, Sing Harmonies or Harmonize Trainer?
Sing Harmonies ships an update every 6 months, and Harmonize Trainer every 3 months. Most recently, Sing Harmonies was updated on November 6, 2026 and Harmonize Trainer on November 6, 2026.

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