Aalto
Aalto: A focused $99 modular plugin for MPE sound design, with no standalone app. Ranked #24 of 38 in Software Synthesizers by our editors (7.4/10); pricing: Paid; best for MPE-focused modular sound design.
At a glance
- Editor score7.4 / 10
- PricingPaid
- Best forMPE-focused modular sound design
- Free planNo
- Paid from$99 one-time
- Synthesis engineModular
- Founded2008
- Facts checked20 Sep 2026
Where it wins
- Patchable routing with complex oscillator and waveshape controls
- Per-voice sequencing and MPE input and output control
- Low-pass gate, waveguide processing and preset management
Where it doesn't
- No standalone application
- Limited to Windows and macOS
- Available as VST and AU plugins only
Our verdict on Aalto
Aalto is a semi-modular software synthesizer plugin from Madrona Labs for Mac and Windows. It is designed for experienced sound designers and people learning synthesis who want patchable routing, complex oscillation and per-voice control in a host-based instrument. Its synthesis engine combines a complex oscillator with FM, timbre and waveshape controls, a low-pass gate, waveguide and delay processing, a state-variable filter, and factory and user preset management.
The Aalto license costs $99 USD as a one-time purchase. The plan includes a license for Mac OS and Windows, with the product available in VST and Audio Unit formats. Aalto runs inside a compatible host rather than as a standalone application, so it fits workflows centered on plugin-based music production. The published product information lists separate Mac and Windows installers, and notes a Windows requirement of Windows 7, 8 or 10. Buyers looking for a single-purchase modular plugin with focused platform coverage will find the offer straightforward.
Aalto’s strongest distinction is the combination of patchable signal routing, per-voice sequencing and MPE support. The built-in sequencer provides controllable rate and offset, while MPE input mode and per-voice MPE control outputs support detailed expressive control. The waveguide and delay module adds waveshaping and feedback EQ, and the low-pass gate includes vactrol emulation. Choose Aalto for modular sound design, complex oscillator work and MPE-oriented expression. Choose a different tool if standalone operation or broader plugin and platform coverage is central to the workflow.
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Aalto pricing
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Aalto fact sheet
| Free plan | No |
|---|---|
| Paid from | $99 one-time |
| Synthesis engine | Modular |
| Plugin formats | VST, AU |
| Standalone app | No |
| Supported platforms | Windows_macos |
| Included presets | Not verified |
| MPE support | Yes |
| Money-back guarantee | 14 days |
| Deployment | Desktop |
| Platforms | Windows, macOS |
| Support | Email, Docs |
| Built for | Solo, Small business (editorial estimate) |
| Pricing | Paid (source) |
| Website | madronalabs.com |
| Facts checked | 20 Sep 2026 |
Alternatives to Aalto
- Arturia V Collection 11A broad, preset-focused instrument collection with clear Intro and Pro options.9.3
- Kontakt 8A broad sample-library platform with serious synthesis and DAW integration.9.1
- DivaA deep analogue-style plug-in with broad modulation, effects and host-format support.8.8
Also Ranked In
Aalto is ranked in 2 of our directories.
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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
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