Sing Harmonies vs MeloVox
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- Multi-track vocal arrangements
- Adjustable singer volume
- Practice individual vocal parts
- Learn without reading music
- Song library with in-app purchases
- Progressive difficulty levels
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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.
MeloVox
This app generates up to five simultaneous vocal harmonies with advanced formant preservation for natural-sounding results. It offers automatic harmony generation or precise MIDI control, along with built-in effects like a noise gate, doubler, EQ, and reverb.
- Up to 5 simultaneous harmonies
- Formant preservation
- Automatic harmony generation
- MIDI control for harmonies
- Built-in noise gate
- Vocal doubler, EQ, and reverb
- Preset manager and Set List
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MeloVox is an AUv3 vocal harmoniser designed to allow up to 5 simultaneous harmonies. You can either choose to have MeloVox automatically generate harmonies by listening to live input and creating harmonies based on the pitch of the incoming vocal, or you can use MIDI input to choose how to pitch the harmonies. You can choose from one of two algorithms, one more suitable to vocals which includes formant preservation, and another more traditional option for instruments. Unlike many pitch shifters, MeloVox is build on a phase vocoder capable of formant preservation, meaning much more natural sounding vocal harmonies. This is especially noticeable when pitching a vocal up an octave, which results in what is often called the Mickey Mouse effect. This is due to the fact that all frequencies are transposed up, along with the respective peaks in harmonics. This results in a sound which the vocal tract is incapable of producing, so it no longer sounds like a natural voice. MeloVox fixes this issue by preserving the formants. MeloVox is capable of producing up to 5 additional harmonies on top of the original vocal, and how it does that is down to the control mode setting. There are 5 different modes to choose from including Auto Sense, Fixed Pitch and three MIDI controllable modes called Chords, Melody and Vocoder. Auto Sense mode detects the frequency of the incoming vocal, and automatically harmonises using the specified key and scale. Fixed Pitch allows you to specify fixed offsets in a scale without the need to detect pitch. Chord and Melody modes use incoming MIDI data to precisely control the harmonies using MIDI notes from your master keyboard or DAW. And to top if off we have a traditional 12 band Vocoder which is incredibly easy to setup and use due to its internal carrier source. MeloVox includes a build in noise gate to remove unwanted background noise that helps with pitch tracking, and a vocal doubler which adds a spacious stereo effect to any monophonic vocal. MeloVox also features a 10 Band EQ add a reverb. All effects can be applied to either the original vocal or just the harmonies. A built in preset manager helps organize presets into categories using drag and drop, and the Set List can be created to provide quick real-time switching between presets and snapshots during a live session. You can even add your own acappella vocals to test out your presets as you create them. Features: ○ Up to 5 simultaneous harmonies. ○ Two different pitching algorithms. ○ Formant preservation. ○ 12 Band Vocoder. ○ Adjust the timbre of a vocal in formant mode. ○ Auto harmony mode. ○ MIDI control (CHORD and MELODY modes). ○ Build in noise gate. ○ Vocal doubler, EQ, Noise Gate and reverb. ○ Supports drag and drop of presets. ○ Preset manager. ○ Set List. ○ Output Monitor. ○ Definable colour schemes. ○ Drag and drop copying of presets. ○ Vocal Previews. ○ Easy backup of user created content.
Screenshots
Verdict
The clearest difference is review sentiment: Sing Harmonies at 55% against MeloVox's 0%. Sing Harmonies also leads on price ($1.99 vs $14.99) and ratings volume (24 vs 4). MeloVox's advantage is rating (5.0 vs 3.7) and in-app purchases (none vs 14). On 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
Sing Harmonies costs $1.99 and MeloVox $14.99 up front. Sing Harmonies sells 14 one-off in-app purchases. MeloVox asks for nothing beyond the download.
MeloVox holds the better App Store score, 5.0 against 3.7. That said, the two scores are not equally well evidenced: Sing Harmonies has 24 ratings behind it against 4, so its average is the more settled of the two. Written reviews complicate that: 55% of Sing Harmonies's written reviews are positive against 0% of MeloVox's, so the app with the better star average is not the one people write more warmly about.
Sing Harmonies ships an update every 6 months, MeloVox fortnightly. Both last shipped on October 24, 2026.
| Parameter | Sing Harmonies | MeloVox |
|---|---|---|
| Price | $1.99 — better | $14.99 |
| Rating | 3.7 (24 ratings) | 5.0 (4 ratings) — better |
| Positive reviews | 54.9% of reviews — better | 0.0% of reviews |
| Number of ratings | 24 — better | 4 |
| Update frequency | Every 6 months | Fortnightly — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases — better | Paid |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 9.0 — better | 13 |
| Further details — not scored | ||
| Size | 68 MB | 22 MB |
| Age rating | 4+ | 4+ |
| Developer | Susan Anders | 4Pockets.com |
Customer experience
Sing Harmonies
MeloVox
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
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- 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 moreShow fewer
- 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
MeloVox
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Sing Harmonies
- Amazing Grace$0.99
- Hallelujah (Cohen)$0.99
- Over The Rainbow$0.99
Show 11 moreShow fewer
- Rolling In The Deep$0.99
- Silent Night$0.99
- Lion Sleeps Tonight (The)$0.99
- O Holy 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
- Down to the River to Pray$0.99
- Happy Birthday$0.99
MeloVox
No in-app purchases
Questions
Is Sing Harmonies free?
Is MeloVox free?
Which has better reviews, Sing Harmonies or MeloVox?
Do Sing Harmonies or MeloVox have ads?
Which is updated more often, Sing Harmonies or MeloVox?
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