Endika Iglesias
$ developer · indie maker
I build small, useful apps that ship — expense splitters, converters, Flipper Zero tools and more. Mostly solo, mostly weekends.
// web apps· 12
Doinu Offline piano-learning PWA: falling-notes practice, a step-by-step path, scales & songs, and record your own melodies. Play by MIDI or microphone.
Ekin Offline bodyweight home-workout PWA: build or auto-fill routines, follow guided sessions and track your progress.
Tutu Offline 3D car-sliding puzzle for kids: slide the toy cars to free the red one. Endless rising difficulty, 6 languages.
Plan group events and split the costs fairly — availability polls, shared list, settle-up. Real-time, no login.
Offline-first PWA for travellers: currencies, units, clothing/shoe sizes and tip calculator.
Mintza Client-only PWA that transcribes meetings into summaries, sentiment and a mind map. Bring your own API keys.
Account-free RSVP for kids' birthday parties: per-child answers, live headcount and a venue-ready guest list.
Free, offline, ad-free PWA to calm down and breathe for a few minutes: guided breathing, a private stress check-in and history. Everything stays on your device.
Kartaak Flashcard study app with AI-generated cards (Gemini, Claude or OpenAI). Offline-first.
PictoTap Free pictogram communication PWA for people with ASD and other communication difficulties.
Impostor Offline pass-the-phone party game: everyone shares a secret word except the impostors — give clues, vote and unmask them. 6 languages, no login.
Zuhaitz Offline PWA to identify trees in Spain with an adaptive, no-jargon question key — 174 species with hand-drawn sketches. No login.
// flipper zero· 8
Sliding car puzzle (Rush Hour) for Flipper Zero: 100 levels of rising difficulty — slide the cars to free the red one.
Hyperfocal distance calculator for Flipper Zero: focal length, aperture and sensor CoC.
Offline habit tracker for Flipper Zero: day-based goals, streaks and progress, SD storage.
NFC inventory manager for Flipper Zero: scan tags, edit stock and track low-stock items.
Flashcard-style trivia game (ES/EN) with random questions, categories and resume support.
Identify, manage and safely clean up duplicate Sub-GHz (.sub) files via CRC32 scanning.
Party word game with impostors (Undercover/Spyfall style), EN/ES, up to 64 players.
Tamagotchi-style avocado pit in a glass of water you raise on-device (alpha).
// experiments· 6
Influence Sensor See how captured your social feed is — analyze your Instagram/TikTok export 100% in-browser.
Audio monitoring that detects and alerts you about important sounds at home while you're away.
Desktop assistant for meeting transcription, sentiment analysis and summarisation.
SQLite-backed long-term memory for Claude Code with FTS5 search and Markdown backup.
My lean Claude Code skills pack: coding conventions, an end-to-end task flow and quality lenses, riding superpowers.
Generate a personal report from your genome data.