CH-J Tools Mobileserver management over SSH
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CH-J · ANDROID / IOS

CH-J Tools Mobile

A standalone mobile SSH and SFTP client for Android, iPhone and iPad. Direct server connections, encrypted local Vault, no cloud account or telemetry.

Development alpha 0.0.3. Back up your data and test on non-production servers first.

Download CH-J Tools MobileBrowse mobile source code →

Android 11+ · iOS 15+ · iPhone · iPad

0.0.3Alpha
SHA-512Android

Download CH-J Tools Mobile

Alpha

Android

Android 11 and later

Signed release

Signed release APK for direct installation. Allow installation from your browser when Android asks.

v0.0.3 · 69.4 MB · arm64-v8a / armeabi-v7a / x86_64

Install APK
Build details and SHA-512

Build ID: sm-mobile-20261016T185235Z-8e93ecc1b59a

SHA-512

a72514ea67132d0602d97dfcbaef29a97956e8a0c8340b81b43a9d3a77be265550a7414054d915111cd8002e0c3f341c7b533f9793d5f024afefaaf70ff64614

Android signing certificate SHA-256

35aee12e40b96fd178b66b1ebeb28158f59a03445dfdd54389f3e4b124863961
Android App Bundle (AAB)

Release bundle for distribution tooling. An AAB cannot be installed directly on a phone.

v0.0.3 · 64.4 MB · arm64-v8a / armeabi-v7a / x86_64

Android App Bundle (AAB)
Build details and SHA-512

Build ID: sm-mobile-20261016T185235Z-8e93ecc1b59a

SHA-512

44c00485dfa9f371cda598ba79a4e1552966bcbc8dafc2ac2e11a79f17f410fc7feebae26e83ce56045fdb5cd016e20a1b3540b9720dfee36ff0bded35b3082c

Android signing certificate SHA-256

35aee12e40b96fd178b66b1ebeb28158f59a03445dfdd54389f3e4b124863961

Mobile features

Application languages: Czech, German and English. Light, dark and system themes.

SSH

SSH terminal with PTY, password or private key authentication and host key verification.

SFTP

SFTP file browsing, upload, download, rename, directory creation and confirmed deletion.

Vault

Encrypted local Vault, optional biometrics, automatic locking and explicit license acceptance.

JSON / Linux

Desktop-compatible JSON profile import/export without passwords or keys. Linux monitoring and network diagnostics.

Browse mobile source code

The published source snapshot matches this build and includes Android/iOS projects, dependencies lockfile, tests, documentation and licenses.

Browse mobile source codeDownload source ZIP

Build and installation instructionsSecurity documentationLicense (English) 1.14

Source ZIP · SHA-25646e427a43e87af091004f36145590bda8fe90086dfb0f631afeb5029fb0b5655
CH-J · CSPRNG

Public randomness for testing

CH-J Entropy Monitor publishes independent 512-bit random values from the system CSPRNG every 30 seconds and keeps a 60-minute history (up to 120 values). Use them for demonstrations, application tests and experiments with shared public random inputs.

Every value is public. Do not use it as a secret encryption key, password or authentication token.

Open Entropy Monitor →JSON API →