KATALOG vs OnceSong

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

KATALOG compared with OnceSong
Detail	KATALOG	OnceSong
What it does	A library manager for large, owned music collections	Personalized song gifts crafted from your stories
Stage	MVP	Not given
Founded	Not given	Not given
Based in	Not given	Not given
Pricing model	Free trial	Freemium
Pricing	Free 30-day trial. Support license: $30 one-time payment, no subscription. All basic features are free.	Not given
Key features	Four layouts: Play for DJing with AI mixing, Prep for building sets, Studio for comparing versions, Desk for release management DJ Flow automatic mixing with harmonic matching by key and tempo Works with Serato, rekordbox, Traktor, Engine, VirtualDJ, Mixxx and Apple Music in both directions Writes artwork, lyrics, tags, tempo and beatgrids into audio files Find fake bitrates, duplicates and missing files Search in plain English for complex queries across the library Live FX with echo, roll, filter, gate, crush, flanger and sample pads Mini player and menu bar controls Smart crates, hot cues, loops and A/B comparison that holds playhead	Guided story questions to capture details Customizable mood, genre, and voice selection Fast song generation Private listening before purchase Personal song link for sharing Progress tracking during creation
What makes it different	Local-first: nothing uploaded, no cloud, no telemetry, no account needed Files never moved, renamed or re-encoded; your library stays yours Reads existing Music, Serato and rekordbox libraries without altering files Metadata embedded in files travels to any other app or machine	Songs incorporate specific personal details like names and shared memories Free creation and listening before unlocking the full song Ultra-fast delivery—songs ready in 30 minutes or less Private, secure listening experience
Community votes	0	0
DR (Domain Rating by Ahrefs)	1 +1 (up) since last check	29 no change since last check
Trust Flow (Majestic)	22	6
Citation Flow (Majestic)	18	17
Referring domains (Majestic)	13	89

4 details filled in for both companies.

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