How it compares
Honest next to the field
Arcalox does not try to win every feature checkbox. It wins on the axes that protect a person whose safety is genuinely at stake. Here is where it stands, stated plainly.
Swipe the table sideways to see every column.
| Capability | Arcalox | Standard Notes | Notesnook | Joplin | Obsidian | Signal |
|---|---|---|---|---|---|---|
| Price | Free | Freemium | Freemium | Free, paid cloud | Free, paid sync | Free |
| Encryption always on at rest | Yes | Yes | Yes | Noopt-in | Noplaintext by default | Yes |
| No account, email, or phone | Yes | No | Partialemail for sync | Partial | Partial | Nophone number |
| Coercion defense: duress, decoy, panic wipe | Yes | No | No | No | No | No |
| Sync without a company's server | Yesyour storage | Partial | Partial | Partialself-host / WebDAV | Partial | No |
| Open source | YesAGPL-3.0 | Yes | Yes | Yes | No | Yes |
| Notes, secrets, and media in one vault | Yes | Partial | Partial | Partial | Partial | No |
Comparison reflects the default configuration of each product as of August 2026. Signal is a messenger included as a threat-model peer, not a notes app. Where a competitor offers a capability only behind a paid tier or optional setting, it is marked Partial.
See for yourself
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