Alien Investor
π½ Alien Investor | βΏ Bitcoin Β· Privacy Β· Freedom
β‘ Satirist Β· πΈ UFO-Pilot
πΈ Support: alien-investor.org/spenden.html
π My Mission: alien-investor.org/mission.html
π¬ Newsletter: alien-investor.org/newsletter.html
Published Apps
- Alien Fitness A minimal, fully offline workout tracker. No account, no server, no tracking β the APK has no internet permission at all, so your data cannot leave your device. Features: Create your own training plans: any exercise, sets, reps and rest β edit any time Ad-hoc free workouts: start empty, add exercises on the fly, save when done Built-in plans: strength (Push / Pull / Legs) and HIT (Tabata, Power) Live session logging with automatic rest timer, corrections supported "Last time" shown and pre-filled for every set β progressive overload at a glance HIT intervals: timed sets run with a work timer, rest and auto-chained next set Interrupted workouts survive an app kill β resume, save or discard Session details with every set, a free-text note and delete Progress charts per exercise (max weight / reps or seconds over time) Exercise library with images, muscle groups and equipment JSON backup: export and import (merge with duplicate detection, or replace) German and English interface, switchable in-app Dark neon UI, screen stays awake during a workout, timer ends with beep and vibration Works completely offline. Built-in plans use bodyweight, pull-up bar and dumbbells β no gym required. Signing certificate SHA-256 (verify with AppVerifier), identical for every version: 85:9E:88:B7:43:5F:84:1D:8B:C1:CF:F1:FE:A9:12:56:A6:33:DE:A5:59:D9:5A:91:02:4B:22:53:A2:AD:13:26 apksigner (no separators): 859e88b7435f841d8bc1cff1fea91256a633dea559d95a91024b2253a2ad1326
- Ausgaben-Tracker A minimal, fully offline personal expense tracker. No account, no server, no tracking β all your data stays encrypted on your device and never leaves it. Features: NO permissions at all β not even INTERNET. The OS itself guarantees the app cannot phone home; verify it right in the APK manifest (since v1.5) FLAG_SECURE: no screenshots, no screen recording, no preview in recents (v1.5) Monthly overview: fixed costs, variable expenses, comparison to previous month Annual overview (12-month table) Fixed-cost management (monthly / yearly, historically correct active/inactive state) CSV export (Excel / LibreOffice / Sheets) incl. a deduplicated fixed-cost summary Tax usage per fixed cost (private / business / partial) Debts / liabilities (v1.6): note open payments with amount, due date and note, tick them off, overdue items highlighted β optionally book a settled item as an expense Encrypted vault: master password, AES-256-GCM, key via PBKDF2-SHA256 (600k iterations), auto-lock after inactivity Encrypted .vault backup: export and import to move between devices β the import asks for the backup's password and only replaces existing data once the backup opens (v1.7) Settings tab (v1.7): auto-lock 0/1/5/15/30 min, lock now, change master password, black (neon) or soft (navy) theme, manage your own categories, version display Overview by category with search and category filter (v1.7) Built-in manual; German and English, follows the system language on first start, switchable in-app Alien-Investor family design (Orbitron / Share Tech Mono, bundled locally), mobile-first Works completely offline β built entirely on native WebCrypto, no external dependencies. Signing certificate SHA-256 (verify with AppVerifier), identical for every version: DB:C5:08:71:53:B4:59:21:82:DD:13:1A:73:0C:11:A0:F7:12:4E:34:42:6C:54:2B:4B:A6:88:5A:B1:CC:01:0E apksigner (no separators): dbc5087153b4592182dd131a730c11a0f7124e34426c542b4ba6885ab1cc010e
- Alien Pass Alien Pass is a local, encrypted password manager. It runs fully offline β no cloud, no server, no account, no telemetry. The app requests no INTERNET permission β only the two normal permissions for the fingerprint sensor (USE_BIOMETRIC, USE_FINGERPRINT up to Android 8.1). Your passwords never leave the device in plaintext. Features: Four entry types: logins (title, username, optional e-mail, password, URL, notes, TOTP), encrypted notes, cards (holder, number, expiry, CVV, PIN β masked, copyable) and bank accounts (holder, IBAN, BIC, bank, PIN); favourites; instant search Extra fields, always secret (v1.4): up to eight freely named fields per entry (app PIN, phone password, security question β¦), revealed only on request, each with its own copy button β nothing has to sit in the notes in plain text Categories like folders: filter chips above the list, suggestions from existing ones Argon2id key derivation (32/64/128 MiB, self-benchmarked at setup) + AES-256-GCM via WebCrypto; a random data key is wrapped by your passphrase, file header authenticated (AAD) Auto-lock after inactivity and in the background (immediately up to 5 min) Clipboard auto-clear (15/30/60 s) β on timeout, on return to the app and on lock; copied content is flagged sensitive so the Android 13+ system preview hides it Password generator: characters (8β64) and Diceware (EFF Large Wordlist), entropy shown β also right inside the entry form (panel under the password field, same settings as the generator tab) TOTP per entry (RFC 6238, SHA-1/256/512, 6β8 digits) with remaining time Password health: reused and short passwords flagged β computed locally; no forced rotation by age (NIST SP 800-63B) Encrypted .vault backup and merge between devices (newer change wins, deletions carried for a year) Import Proton Pass exports directly β PGP-encrypted (recommended), ZIP or JSON β with a small built-in OpenPGP reader (own AES block cipher, checked against FIPS-197 and WebCrypto in the test suite); vaults become categories, cards and notes come along, hidden custom fields become secret extra fields, a second e-mail address goes into the e-mail field CSV import from KeePassXC, Bitwarden and Proton Pass (folders/groups become categories) Optional Aegis hurdle: an extra TOTP code on unlock (honestly documented as a hurdle, not a second factor) Optional fingerprint unlock (Android keystore, passphrase required after every restart, passphrase change or new fingerprint; honestly documented: any strong biometric of the device counts, with a confirmation tap) No INTERNET permission; only USE_BIOMETRIC and USE_FINGERPRINT (up to Android 8.1) for the fingerprint sensor (plus the AndroidX-generated signature permission that grants nothing), FLAG_SECURE (no screenshots / recents preview), allowBackup=false + data extraction rules (no cloud, adb or D2D backup) Strict CSP: connect-src 'none', no inline script; bundled Argon2 (hash-wasm) hash-checked in the build German / English, offline in-app manual, open source (MIT) Signing certificate SHA-256 (verify with AppVerifier), identical for every version: 73:C7:17:D8:05:6C:6A:02:B0:8B:AB:BA:24:18:17:F3:93:E4:6D:EA:03:19:D4:FA:26:B8:C3:D8:E1:F9:3C:95 apksigner (no separators): 73c717d8056c6a02b08babba241817f393e46dea0319d4fa26b8c3d8e1f93c95
- Sachwert-Tresor Sachwert-Tresor is a local, encrypted vault for tracking your Bitcoin, gold and silver holdings. It runs fully offline β no cloud, no server, no telemetry, no price lookups over the network. Your data never leaves the device in plaintext. Features: NO permissions at all β not even INTERNET. The OS itself guarantees the app cannot phone home; verify it right in the APK manifest (since v2.0) FLAG_SECURE: no screenshots, no screen recording, no preview in recents (v2.0) AES-256-GCM encryption, key via PBKDF2-SHA256 (600,000 iterations), native WebCrypto Optional 2FA (Aegis / TOTP, RFC 6238) with a self-contained QR encoder Bitcoin: buys, sells and withdrawals; gold and silver by count Γ denomination Multi-currency entries (EUR / USD / CHF), totals kept separate per currency β still zero network lookups (v2.1) Manual current-value calculation β you enter prices yourself, nothing is fetched Encrypted .vault backup, peer-to-peer sync via Syncthing (no cloud) CSV export compatible with the BTC tax tool (KYC / noKYC kept separate) Fully bilingual (German / English), offline in-app manual included Open source (MIT) β no third-party crypto, no external CDNs, no trackers Signing certificate SHA-256 (verify with AppVerifier), identical for every version: 66:0F:21:0C:7A:28:9F:38:8B:B4:81:2C:23:82:5A:77:F1:FC:84:E6:A7:EE:58:D6:42:81:B6:BF:5C:D8:79:88 apksigner (no separators): 660f210c7a289f388bb4812c23825a77f1fc84e6a7ee58d64281b6bf5cd87988
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