Things I build and ship

Turn a phone number into a wa.me click-to-chat link with a pre-filled message, save a printable QR code, and make a full-size profile picture that is not cropped. Works offline; nothing is uploaded.

Opus to MP3 converter that runs on the phone. Pick one or a hundred .opus, .ogg, .m4a or .aac files, tap Convert, share the MP3 or WAV. No upload, no account, no limits.

Share a voice note, read the transcript seconds later, copy or share it as .txt. The speech model ships in the app, so it works offline.

Open the .txt or .zip from Export Chat and get a clean PDF with message bubbles plus who-talks-most statistics. Parsed on your phone only.

Record Reels, Shorts and TikToks while reading your script with eye contact. Voice-driven scrolling runs on-device and fully offline.

Presets for Moon, Stars, Aurora, star Trails, City, Night video, Aurora Live and Time-lapse. The Tonight tab shows aurora chance, cloud cover and moon phase for where you are.

Hand over the phone and it rings like a real call: a gentle officer asks for one small thing, and calls back with praise when it goes well. 13 calls, voiced in 9 languages, offline.

Every product with its receipt photo, purchase date, serial number and warranty countdown. Local reminders 90 to 1 day before expiry, CSV export, fully offline. 19 languages.

Eight job-site calculators with the code table on every result: voltage drop, wire size with derating, conduit fill, box fill, load & breaker, Ohm's law, resistor codes and reference tables. 19 languages.

Keep food, medicine and cosmetics in one list with their expiry dates, scan barcodes to add them faster, and get reminded before anything goes off.

Sow the stones, land in your store for another turn, capture from empty pits. Four computer levels, a World Tour against 12 masters from Cairo to New York, a daily puzzle and two-player pass & play. Fully offline.

Hammer 40 weapons across 8 materials from Copper to Starmetal, land masterworks for 10× gold, and hire apprentices who keep forging while you are away.

Drag, turn and fit T-shirts, books, cameras and teddy bears into suitcases, moving boxes and picnic baskets. 60 levels across 4 little story chapters. Relaxing and offline.

A native macOS banner the moment your AI coding agent finishes or needs input, whichever tool you use. Click it and you land back in the right terminal.

Your MacBook notch coaches a short exercise set while Claude Code or Codex works. The "Claude is done" alert waits until your set ends. 239 exercises.

Blocks keyboard and mouse while the screen stays on, so you can walk away and still watch your agent work. Unlock with Touch ID.

A personal page that counts the days you have been together, revealed with a QR code. A small, very personal gift.

Write messages today that reach the people you love when you are gone: a digital legacy, delivered with care.

See which flight corridors avoid closed and restricted airspace, and compare routes before you book.

City travel guides with budgets and safety notes, plus help with Germany's Opportunity Card and visa paperwork.