Is Jotdown safe?

Jotdown is an open-source document manager and PDF reader built for researchers, students and academics. Reading, annotating and organizing your documents works fully offline; network is only used for optional DOI citation import and dictionary downloads. Focused on privacy — no account required, no data leaves the device beyond what those optional features need. Features: PDF reader with text-la…

Developer: Walter Rebouças
Category: Ebook Reader
Earliest archived version: 09 Sept 2026
License: GPL-3.0-or-later (per F-Droid metadata)

02 / Package identity

Technical fingerprint

Application IDbr.com.jotdown

Latest APK SHA-256791286441ed81ca4fb70a5465539dee35d8ce35016bb17d6cca22d46dac7b1b4

Signing certificateC3:71:DF:0D:80:15:DB:8D:1F:D5:C8:10:77:DF:4A:CF:0C:DE:8F:37:72:C0:6C:38:1E:A8:3A:69:F5:CC:7E:9D

MIN ANDROID26TARGET36ARCHITECTURE

03 / History

Archive history

6 versions in WIKI archive: earliest 3.1.17-FOSS (09 Sept 2026), latest 3.1.23-FOSS (14 Oct 2026).

No change in android.permission.* between 3.1.22-FOSS and 3.1.23-FOSS.

04 / Version archive

Documented releases

6 TOTAL

VersionReleasedAndroidArchitecture

3.1.23-FOSS14 Oct 202626+→3.1.22-FOSS12 Oct 202626+→3.1.20-FOSS25 Sept 202626+→3.1.19-FOSS21 Sept 202626+→3.1.18-FOSS14 Sept 202626+→3.1.17-FOSS09 Sept 202626+→

05 / Safety & access

Safety verdict

Authentic — file hash matches the source indexNo ads or tracking flagged by the source

IntegritySHA-256 verified vs source

SourceOpen-source · fdroid

Permissions7 declared · 1 sensitive

Signaturepresent

Anti-featuresNo known anti-features

Sensitive accessREAD_EXTERNAL_STORAGE

Declared permissions

android.permission.ACCESS_NETWORK_STATE android.permission.FOREGROUND_SERVICE android.permission.INTERNET android.permission.READ_EXTERNAL_STORAGE android.permission.RECEIVE_BOOT_COMPLETED android.permission.WAKE_LOCK br.com.jotdown.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION

Tracker status: Not assessed by WIKI for Android.

06 / Sources

Evidence ledger

Each entry is a captured public reference backing this record.

RepositorySource package page↗Source codeSource repository↗