Install surface

Download Obscur

Privacy-first messaging for desktop. Installers are unsigned — verify SHA-256 checksums below before sideloading.

Build from source Signing policy release-assets/manifest.json

Unsigned installer (expected)

Windows SmartScreen may warn about an unknown publisher. Verify the SHA-256 checksum before running. Signing is deferred per maintainer policy.

Read signing policy →

Desktop

Platform installers

Windows, macOS (Apple Silicon), and Linux AppImage for v1.9.14 are in the release manifest. Builds are unsigned. Linux is larger because the AppImage ships WebKit/GTK libraries; Windows and macOS use the OS webview instead.

Windows installer

Ready

Obscur_1.9.14_x64-setup.exe

8.7 MBDownload

macOS installer

Ready

Obscur_1.9.14_aarch64.dmg

6.5 MBDownload

Linux package

Ready

Obscur_1.9.14_amd64.AppImage

78.8 MBDownload

Mobile

Android sideload · iOS out of scope

No Google Play or Apple Developer Program membership — builds are self-signed. Android: download the APK and install from the file. iOS: not offered here.

Android

Ready

Obscur_1.9.14_universal-release-unsigned.apk

63.6 MB · self-signed · not on Play Store

Allow install from this source → open the APK. Or: adb install -r <apk>

Download

144a435179480016a364802f107619f4d5c1ecf2dfea74f103f0b7db8a07c1c1

iOS

Not in scope

No Apple Developer Program build on this site — no App Store or TestFlight.

Verification

Checksums (1.9.14)

Verify downloads against release-assets/manifest.json. Copy the full SHA-256 before running any installer.

Obscur_1.9.14_x64-setup.exe

Windows · 8.7 MB · hosted in repo

Download

8d8ed1f34ed3505591f35feb192f3b031d6f0eecb880cef670820bbe587db234

Obscur_1.9.14_aarch64.dmg

macOS · 6.5 MB · hosted in repo

Download

8a82d3f0eb86e8f81b340002b00d001e3e9e1a3ebf143e2c062df68a66aa2da7

Obscur_1.9.14_amd64.AppImage

Linux · 78.8 MB · hosted in repo

Download

620c05e278491cfd1bf0edd242681932e23a86e93858c3c32b0ef2cbf6ea07e2

obscur-pwa-static.tar.gz

pwa-static-tarball · 2.4 MB · hosted in repo

Download

1ef232c7b6bbcd066ae24a1fbed4c3873bea47d9d90141a6182cc5c5ee7b29ae

Obscur_1.9.14_universal-release-unsigned.apk

Android · 63.6 MB · hosted in repo

Download

144a435179480016a364802f107619f4d5c1ecf2dfea74f103f0b7db8a07c1c1

Before you install

Read limitations so demos stay honest

Obscur is privacy-first desktop software with verified Phase 1 paths and documented gaps. Read the limitations sheet so demo hosts do not over-promise roster sync, restore, or delete-for-me behavior.

Known limitations Back to product