Harmonicer vs MeloVox
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Harmonicer
This app generates musical inspiration by combining MIDI quantization, harmonization, and arpeggiation. It offers extensive scale support and allows for the creation of complex chords and rhythmic patterns to enhance musical compositions.
- MIDI Quantizer with 20+ scales
- Custom scale support
- Harmonizer with up to 4 voices
- Arpeggiator with 10 modes
- Process MIDI from any source
- Standalone use with internal keyboard
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Instant Inspiration at Your Fingertips Harmonicer combines MIDI Quantizer, Harmonizer and Arpeggiator into one convenient package. At the core of Harmonicer lies its Quantizer feature with over 20 pre defined scales and support for custom scales. Whether you're a seasoned composer or a novice musician, Harmonicer empowers you to effortlessly create melodies that are harmonically rich and sonically captivating. Unlock Limitless Harmonic Possibilities Harmonicer's Harmonizer functionality takes your compositions to new heights by automatically generating lush chords and harmonies. With up to 4 additional voices and intuitive controls, you can explore a vast array of harmonic possibilities and infuse your music with depth and emotion. Unleash Your Creativity with Dynamic Arpeggiation With Harmonicer's Arpeggiator, intricate rhythmic patterns and melodic sequences are just a few taps away. Whether you're crafting pulsating basslines, mesmerizing synth leads, or intricate melodies, the Arpeggiator empowers you to infuse your tracks with movement and energy, adding a dynamic edge to your music. Combining Power and Versatility What sets Harmonicer apart is its seamless integration of these three powerful tools, allowing users to utilize them individually or in combination to achieve complex compositions with ease. Whether you're looking to fine-tune a melody, enrich your harmonies, or add rhythmic complexity, Harmonicer provides the tools you need to inspire your musical vision and bring it to life. Specs: - Quantizer with support for 20+ pre defined as well as custom scales - Harmonizer with up to 4 additional voices - Arpeggiator with 10 modes, note repeates, ratchets and more - Process MIDI from any source - Standalone use via internal keyboard Supports: - Standalone - AUv3
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: Harmonicer at 80% against MeloVox's 0%. Harmonicer also leads on price ($4.99 vs $14.99) and update cadence (every 4 days vs fortnightly). MeloVox's advantage is rating (5.0 vs 4.7) and chart position (#193 vs unranked). On ads, in-app purchases, monetization model 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
Harmonicer costs $4.99 and MeloVox $14.99 up front. Neither carries in-app purchases, so what you see is what you pay.
MeloVox holds the better App Store score, 5.0 against 4.7. Both are backed by a comparable volume of ratings — 12 and 4 respectively. Written reviews complicate that: 80% of Harmonicer'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.
Harmonicer ships an update every 4 days, MeloVox fortnightly. The most recent releases landed on October 25, 2026 and October 27, 2026 respectively.
| Parameter | Harmonicer | MeloVox |
|---|---|---|
| Price | $4.99 — better | $14.99 |
| Rating | 4.7 (12 ratings) | 5.0 (4 ratings) — better |
| Positive reviews | 80.0% of reviews — better | 0.0% of reviews |
| Number of ratings | 12 — better | 4 |
| Update frequency | Every 4 days — better | Fortnightly |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Paid |
| Best chart rank | — | #193 — better |
| Devices | iPhone, iPad, iPod, Mac — better | iPhone, iPad, iPod |
| Requires iOS | 11.0 — better | 13 |
| Further details — not scored | ||
| Size | 23 MB | 22 MB |
| Age rating | 4+ | 4+ |
| Developer | Kai Aras | 4Pockets.com |
Customer experience
Harmonicer
MeloVox
In-app purchases
Harmonicer
No in-app purchases
MeloVox
No in-app purchases









