Tech riderRev. 30 Sept 2026
- 1Runs onLinux, Mac, Windows
- 2CostsFree plan
- 3System-wide controlYes
- 4Parametric EQYes
- 5Desktop operating systemsboth
5 lines stated Written from the maker's own pages: sotf.spinorama.org
Overview
SotF is ranked #4 of 23 in audio equalizer software on Specifiction. It runs on Linux, macOS, Windows. There is a free plan.
SotF plans and pricing
All plansCompared on audio equalizer software
- Free plan
- Yessotf.spinorama.org
- System-wide control
- Yessotf.spinorama.org
- Parametric EQ
- Yessotf.spinorama.org
- Desktop operating systems
- bothsotf.spinorama.org
Facts
- Product
- SotF is a free, open-source audio player and optimizer for sound in rooms and headphones.sotf.spinorama.org · 30 Sept 2026
- Music playback
- Its music player supports FLAC, MP3, AAC, ALAC, and Vorbis files.sotf.spinorama.org · 30 Sept 2026
- Audio plugins
- The product page lists more than 40 audio plugins, including EQ, compression, limiting, upmixing, binaural processing, convolution, and denoising.sotf.spinorama.org · 30 Sept 2026
- Room correction
- Room EQ measures and analyzes room response, then calculates correction filters to apply in a plugin chain.sotf.spinorama.org · 30 Sept 2026
- Room EQ equipment
- Room correction requires a measurement microphone and its calibration file, in addition to SotF and connected speakers.sotf.spinorama.org · 30 Sept 2026
- Headphone EQ
- Headphone EQ calculates parametric filters targeting the Harman curve and supports hundreds of measured headphone models.sotf.spinorama.org · 30 Sept 2026
- Speaker EQ
- Spinorama EQ provides correction for thousands of speakers from spinorama.org without requiring a microphone.sotf.spinorama.org · 30 Sept 2026
- Audio export
- SotF lists export support for CamillaDSP, Equalizer APO, EasyEffects, Wavelet, PipeWire, and Roon.sotf.spinorama.org · 30 Sept 2026
- System audio
- On macOS, a CoreAudio HAL virtual device can route audio from all apps through a configured SotF plugin chain.sotf.spinorama.org · 30 Sept 2026
- Privacy
- SotF says it collects no user data and uses no analytics, telemetry, cookies, or tracking.sotf.spinorama.org · 30 Sept 2026
- Local processing
- The application runs on the user's machine and does not upload music or listening history; speaker EQ queries the public Spinorama API for the searched speaker model.sotf.spinorama.org · 30 Sept 2026
- Downloads
- The download page lists macOS, Windows, and Linux releases, with stable desktop releases through platform stores and beta or command-line builds through GitHub Releases.sotf.spinorama.org · 30 Sept 2026
- Support
- Users can submit feedback or bug reports through GitHub and join the AudioScienceReview discussion linked from the product page.sotf.spinorama.org · 30 Sept 2026
- Maker
- The site credits SotF to Pierre F. Aubert.sotf.spinorama.org · 30 Sept 2026
Best SotF alternatives
See all 20 All accessCh 01 Nahimic Free planAndroidiOS Free to start7.6 All accessCh 02 Buddi Free planLinuxMac Free to start7.2 All accessCh 03 DeskFX Audio Enhancer Free planMacWindows from $2.92/mo7.2 All accessCh 05 CamillaDSP APILinux 7.0 All accessCh 06 SteelSeries Moments Free planWindows Free to start7.0 All accessCh 07 EQBase Free planMac from $3.33/mo6.9
Where it ranks on Specifiction
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Sources
- sotf.spinorama.org· checked 30 Sept 2026
- sotf.spinorama.org/guides/room-correction/· checked 30 Sept 2026
- sotf.spinorama.org/guides/headphone-eq/· checked 30 Sept 2026
- sotf.spinorama.org/guides/macos-daemon/· checked 30 Sept 2026
- sotf.spinorama.org/privacy/· checked 30 Sept 2026