Filament
What Filament is
Filament is a paid audio software product from Formalab Audio, headquartered in Manchester, UK. It runs on macOS and Windows and is offered as a single product called Filament. The software uses AU and VST3 plugin formats, so it is intended for setups that support those formats. Filament uses a perpetual license rather than a recurring subscription. The listed price is £149.00 as a one-time purchase, with up to three machine activations. There is no free plan. The product is available through the Formalab Audio website. Its stated scope is single, meaning this listing covers one software product rather than a broader suite. Buyers should check that their computer uses macOS or Windows and that their host supports AU or VST3 before purchasing. The one-time license structure may suit users who prefer ongoing use without a subscription term.
Who it suits
Filament suits macOS or Windows users whose audio software supports AU or VST3 plugins. It may fit buyers seeking a perpetual license with up to three machine activations.
What it does well
- Runs on macOS and Windows
- Supports AU and VST3 formats
- Perpetual license model
- Up to three machine activations
What to know first
- No free plan
- Costs £149 one time
- Single-product scope
Plans
| Plan | Billed and limits | Price |
|---|---|---|
| Filament | £149 one-time purchase · Up to 3 machine activations | £149, paid once |
As formalabsaudio.com lists them, read 23 Sept 2026. The maker's own page has the final word.
Verdict
Filament is a focused paid plugin product with AU and VST3 support, macOS and Windows compatibility, and a perpetual license. Its main limitations are the £149 upfront cost and lack of a free plan.
Facts from Filament's own pages
- Headquarters
- Manchester, UK · formalabsaudio.com, 4 Oct 2026
Where Filament stands on Freedom251
- Audio Plugins#36 of 40