Four keyboard instruments: Studio Grand, Modern Upright, Electric Grand and Mark One.
VST3not supportedAUsupportedAAXsupportedCLAPnot supportedWINsupportedMACsupportedLNXnot supported
Checked September 2026
XLN Audio Addictive Keys vs Spitfire Audio Originals Felt Piano (2026)
XLN Audio Addictive Keys is best for quick, great-sounding piano and keys; Spitfire Audio Originals Felt Piano is best for soft, intimate felt piano. XLN Audio Addictive Keys starts at an unpublished price and Spitfire Audio Originals Felt Piano at $29 one-time.
Felt-muted upright performed by Gwilym Simcock.
VST3supportedAUsupportedAAXsupportedCLAPnot supportedWINsupportedMACsupportedLNXnot supported
| XLN Audio Addictive Keys | Spitfire Audio Originals Felt Piano | |
|---|---|---|
| Best for | quick, great-sounding piano and keys | soft, intimate felt piano |
| Starting price | Not public | $29 one-time |
| Free version | No | No |
| Free trial | Yes | — |
| Formats | VST, AU, AAX | VST3, AU, AAX |
| OS | Windows, macOS | Windows, macOS |
| Key features | Studio Grand, Modern Upright, Electric Grand (CP-80 inspired), Mark One, ExploreMaps preset navigation, Standalone included | 3 mic signals, 10 presets, ADSR and sustain pedal controls, Expression and dynamics faders, 3GB, No subscription |
| Developer | XLN Audio | Spitfire Audio |
Questions people ask
XLN Audio Addictive Keys starts at a price not published online; Spitfire Audio Originals Felt Piano starts at $29 one-time.
Studio Grand, Modern Upright, Electric Grand (CP-80 inspired), Mark One, ExploreMaps preset navigation, Standalone included.
3 mic signals, 10 presets, ADSR and sustain pedal controls, Expression and dynamics faders, 3GB, No subscription.