MeldaProduction MAutoPitch

MeldaProduction MAutoPitch is a real-time pitch-correction plugin for vocals and other monophonic instruments. It is a strong fit for producers who want tuning plus MIDI and creative shaping controls inside a Mac or Windows audio host. Free access is its clearest advantage; the important trade-off is that it does not detect scale or key.

Overview

MAutoPitch combines automatic tuning with formant shift, stereo expansion and MIDI control, making it more than a basic correction utility. Its setting slots and morph pad also support comparing or blending different approaches. The breadth of channel formats is notable, but pitch correction itself is aimed at monophonic sources, and the plugin depends on a compatible host rather than operating as a standalone app.

Key features

• Real-time correction and creative shaping: MAutoPitch corrects pitch on vocals and other monophonic instruments. Formant shift and stereo expansion provide ways to reshape the sound beyond tuning, useful when a vocal needs a more deliberate character or width.
• MIDI control: A MIDI keyboard or controller can adjust parameters in real time, with MIDI learn to map controls.
• Setting comparison: Eight A-to-H slots hold alternative settings, while an X-Y pad morphs among the first four. That makes it practical to move between variations without rebuilding each configuration.
• Channel and output handling: Processing supports mono, stereo, mid-side, separate left/right or mid/side, up to 8-channel surround and up to 64-channel ambisonics. Automatic gain compensation and a safety brickwall limiter that keeps output below 0 dB add useful safeguards, though these do not replace careful level management in a session.
• Preset sharing and processing: Presets are stored in a system database and can be shared or downloaded from MeldaProduction servers. The plugin uses 64-bit audio processing and supports any sampling rate, giving it scope across varied projects.

Pricing

MAutoPitch is free, and is included in the MFreeFXBundle, a collection of 38 audio effects. The free effect is the natural choice for users who want pitch correction without an upfront cost.

The MFreeFXBundle upgrade costs $55, paid once. It unlocks extended bundle features on Windows and Mac, includes a licence for all your computers and provides free-for-life updates. This is an optional bundle upgrade, not a requirement for using MAutoPitch; it makes more sense for users who want the broader bundle benefits than for someone seeking only this free effect.

Platforms

MAutoPitch supports macOS and Windows through 64-bit VST, VST3, AU and AAX interfaces, and MeldaProduction says it works with all major hosts on those systems. There is no Linux version. Installation goes through MPluginManager, which installs Melda plugins and instruments, activates them and checks for updates. Activation uses licence files, needs neither a dongle nor an internet connection, and licences are tied to a person and usable on that person's computers.

Who it's for

Choose MAutoPitch if you work in a supported Mac or Windows host and want free real-time tuning for a vocal or another monophonic instrument, particularly if MIDI control, formant adjustment or stereo expansion matters to your workflow. Its broad channel support may also suit sessions using surround or ambisonics formats. It is a poor match for Linux users, standalone-app seekers or anyone who depends on scale or key detection.

Pros and cons

• Pro: Free access with a substantial bundle option. The effect costs nothing, and the MFreeFXBundle includes 38 audio effects.
• Pro: Useful control beyond correction. Formant shift, stereo expansion, MIDI mapping and setting morphing make it adaptable to both performance and sound-shaping workflows.
• Pro: Broad channel support and output safeguards. Surround and ambisonics modes extend its format range, while gain compensation and a limiter help manage output level.
• Con: No scale or key detection. Users who want automatic musical analysis will need another tool or a manual workflow.
• Con: Mac and Windows host requirement. There is no Linux edition, and MAutoPitch is a plugin rather than a standalone application.
• Con: Installation requires MPluginManager. Users must use MeldaProduction's manager for installation, activation and update checks.

Alternatives

Voloco is worth considering if you want a freemium option with mobile support: its free mobile app includes five effects for iPhone and Android, alongside macOS and Windows support.

Auburn Sounds Graillon 3 is another free-entry option across Linux, Mac and Windows, with pitch shifting, formant shifting, pitch correction, three pitch engines and built-in effects in its Free Edition.

GVST GSnap is a free VST audio effect plug-in for readers comparing another no-cost correction option, including Linux support.

OpenVoxTuner offers a free plugin under AGPLv3, making it an alternative for readers specifically seeking software under that licence.

OpenTune may suit users who want a permanently free standalone app as well as a VST3 plugin with ARA2 support on macOS or Windows.

AutoTune Pro 11 is a paid alternative with a perpetual licence option and a free month of AutoTune Unlimited included.

Brainworx bx_masterdesk is a paid alternative with a subscription option; its CORE plan costs $14.99 a month and includes access to 200+ plugins, activation on three machines and three plugins to own each year.

InTune Performer is another paid alternative with a free-trial option.

Browse more options in Pitch Correction Software.

Verdict

MAutoPitch is an easy recommendation for Mac and Windows producers who want free real-time tuning with MIDI control and creative formant and stereo tools. Its strongest case is the combination of no-cost access and unusually broad processing options. Look elsewhere if you need Linux or standalone operation, or if scale and key detection are central to your tuning workflow.