Can I vibe code Speechify?
Listen to anything — articles, PDFs, books — in natural voices.
The pieces look buildable — extract text, call a TTS API, play audio — and a basic read-my-articles tool genuinely is a weekend project. What earns the no is everything that makes listening daily-driver viable: premium voice licensing at sustainable cost (TTS API pricing ruins the math fast at book length), cross-device position sync, offline mobile playback, and OCR on photographed pages. Build the article version for fun; the subscription survives on unit economics you can't match retail.
Build a personal text-to-speech reader for articles. Save a URL (bookmarklet) or paste text; extract the readable content server-side; chunk it and synthesize with a TTS API into a single audio file cached in object storage (never re-synthesize the same article). Player page: audio controls with 1x–3x speed, paragraph-level highlighting synced to playback position, and resume-where-I-left. Library page with duration and listened-progress per article, plus a monthly cost counter showing TTS spend. Next.js + Postgres, honest about per-article cost in the UI.
A read-later-with-ears tool: save articles, get them as TTS audio with synced text highlighting, playable at 1x–3x in the browser.
- Book-length listening at flat-rate cost — API TTS pricing bites
- Mobile apps with offline audio and lock-screen controls
- Their highest-end voices and celebrity options
- OCR pipeline for scanned pages and photos
Flat-rate unlimited listening in polished mobile apps is a pricing structure, not a feature — retail API costs can't reproduce it.
A prompt is the first move, not the whole game. Course 01 teaches you to take a prompt like this one to a shipped, working app — reviewing, correcting, and steering the agent the whole way.
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