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Sononym vs Atlas 2: catalog facts
Sononym	Atlas 2
Paid Sold as a paid license through the developer's purchase page.	Paid US$99, with a US$19 upgrade from the first version and a free trial.
Windows, macOS, Linux	Windows, macOS
Similarity search, including from live recordings Duplicate detection across sample libraries	AI sorts drum samples onto a visual map Built-in drum kit creator and pattern sequencer
Paid license required Only browses samples; it is not a sampler or editor	Focused on drum sounds rather than general sample libraries Paid after the trial
Downloadable app	Downloadable app
Closed source	Closed source
License not stated	License: Proprietary
Not stated if an account is needed	Not stated if an account is needed
Works offline	Not stated if it works offline
Official website Full listing and sources Checked October 1, 2026	Official website Full listing and sources Checked October 1, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.