Best Secure Notes Apps in 2026
Updated
30 secure notes apps ranked on what their makers publish — plans and prices, free tiers, platforms and the facts on their own pages.
30ranked
0free plans on this page
4 Oct 2026last checked
Input list Secure Notes Apps 5 channels on this page · 18 of 40 spec lines stated by the makers
Ch Tool Free planPaid fromEncryption modelOffline accessOpen sourceFile attachmentsSupported platformsExport formats Spec sheet Score
26 MadNotes Free planYesPaid fromnot statedEncryption modelprivacy focused syncOffline accessYesOpen sourcenot statedFile attachmentsnot statedSupported platformswebExport formatsnot stated 4/8spec lines stated 5.7
27 NoteSR Free plannot statedPaid fromnot statedEncryption modelnot statedOffline accessYesOpen sourceYesFile attachmentsnot statedSupported platformsandroidExport formatsnot stated 3/8spec lines stated 5.7
28 Crypto Notepad Free planYesPaid fromnot statedEncryption modellocalOffline accessnot statedOpen sourceYesFile attachmentsnot statedSupported platformswindowsExport formatsnot stated 4/8spec lines stated 5.6
29 SealNotes Free plannot statedPaid fromnot statedEncryption modelend to endOffline accessnot statedOpen sourceYesFile attachmentsnot statedSupported platformswebExport formatsnot stated 3/8spec lines stated 5.5
30 Notr Free plannot statedPaid fromnot statedEncryption modelend to endOffline accessYesOpen sourceYesFile attachmentsnot statedSupported platformsnot statedExport formatsTSV, JSON 4/8spec lines stated 5.4
Compare all 5 in a table
| # | Tool | Score | Free plan | Free plan | Paid from | Encryption model | Offline access |
|---|---|---|---|---|---|---|---|
| 26 | MadNotes | 5.7 | No | Yes | — | privacy_focused_sync | Yes |
| 27 | NoteSR | 5.7 | No | — | — | — | Yes |
| 28 | Crypto Notepad | 5.6 | No | Yes | — | local | — |
| 29 | SealNotes | 5.5 | No | — | — | end_to_end | — |
| 30 | Notr | 5.4 | No | — | — | end_to_end | Yes |
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