Price: Free forever
- Projects: Up to 3
- Player types: A/B comparison and standard (single-audio) players
- Storage: 250 MB
- Playlist tracks: Up to 3 per playlist
- Uploads: Lossy formats only (MP3, AAC, OGG, M4A)
- Layouts: Default, Minimal
- Customization: Color presets only, no custom fonts
- Branding: SoundToggle branding on players
- Analytics: Basic (plays, toggles, avg listen time, completion rate)
- Loudness matching: All three player modes (Off / Locked / Listener's choice) with automatic in-browser matching — LUFS measurement & fine-tune trims require Pro
- Video/Three-way: Not available
- Support: AI support only