17.5
Audimee is a web-based voice-to-voice platform for transforming vocals with built-in or custom voice models.
Free planWebAPI
Best AI Harmony Generators in 2026
Audimee leads this chart of 20 (7.5/10, free plan). OpenVoxTuner is next (7.2/10, free plan), and Reason is the next highest-placed with a free plan (7.1/10). AI harmony generators create vocal harmony parts using controls such as key or scale detection, harmony voice limits and humanisation. Depending on the tool, you may also find live processing, plugin formats or harmony stem export. Compare the free plan, paid starting point and trial terms, then check the controls and output options you need.
27.2
OpenVoxTuner is a free real-time vocal pitch correction and harmony plugin for Linux, macOS, and Windows.
Free planOpen sourceLinuxmacOSWindows
37.1
Reason is music-making software for Windows and macOS, offered as a full DAW and as a plugin.
Free planmacOSWindows
- 4
Echelon Audio VOICES
macOSWindows6.1From $179 a year - 5
Eventide Quadravox
macOSWindows6.1$49 one-time - 6
Eventide Octavox
macOSWindows6.0$99 one-time - 7
Harmonizr
iOS5.6$4.99 one-time - 8
Antelope Audio InTune Harmony
macOSWindows5.5 - 9
Antares Harmony Engine
macOSWindows5.4 - 10
VocalHarmony Pro
AndroidiOSWeb5.2 - 11
Howli
iOSWeb4.9 - 124.8
- 13
MeloVox
iOSmacOS4.8 - 14
Waves Harmony
macOSWindows4.7 - 15
IchiPitchy
Web4.6 - 16
MeldaProduction MHarmonizerMB
macOSWindows4.6 - 17
Minimal Audio Evoke
macOSWindows4.6 - 184.6
- 194.6
- 20
Tunix
macOS4.5
Choosing well
Check Android access first
The listed platform options cover web, iOS, macOS, Windows, Linux and API use. Android availability is not given in these facts, so verify phone or tablet support before paying.
A web app may suit a Xiaomi device when a native Android app is not offered, but confirm the service's requirements.
Compare free plans and trials
Howli and IchiPitchy list free plans, while Audimee lists a free plan with paid access from $9 per month. Other examples list paid access or pricing on request.
Trial periods vary: Antares Harmony Engine lists three days, Echelon Audio VOICES seven days, and Antelope Audio InTune Harmony, Eventide Octavox and Eventide Quadravox 14 days.
Match the harmony controls
Key or scale detection is a comparison point, and Allen & Heath Quad Voice Harmoniser lists it as supported. Check maximum harmony voices and humanisation controls when those settings matter to your arrangement.
Live processing can matter for real-time use, while harmony stem export can help when you need separate parts for later editing.
Check formats and licence needs
Plugin formats are part of the comparison, so match the format with your music software and computer platform. The list includes tools associated with macOS, Windows and Linux support.
Open-source code is offered by items in this category. If you need to read or change code, check the licence and the project's current documentation.
Questions people ask
Which tools list a free plan?
Howli, IchiPitchy and Audimee list free plans. IchiPitchy also lists paid access from $3 per month, while Audimee lists paid access from $9 per month.
Which products offer trials?
Antares Harmony Engine lists a three-day trial; Echelon Audio VOICES seven days; Antelope Audio InTune Harmony, Eventide Octavox and Eventide Quadravox 14 days.
Can these tools detect key or scale?
Key or scale detection is a comparison field. Allen & Heath Quad Voice Harmoniser lists this feature.
Are harmony stem exports and live processing included?
Harmony stem export and live processing are comparison fields for the chart. Check the individual product details for the capability you need.
Is there an iOS harmony generator?
Harmonizr lists iOS support. MeloVox lists iOS and macOS support.