PromptSpeak: Text to Speech

PromptSpeak turns any text into natural-sounding speech and saves it as an audio file—perfect for podcasts, videos, courses, prototypes, and any voice-over. Pay once. No subscriptions. No in-app fees. Choose from a wide catalog of AI voices in dozens of languages, adjust speed and pitch in real time, and save your favorite setups as reusable presets. Export finished audio to your desktop with a single click. Your text is sent only to the provider you select for processing, while your API key stays securely encrypted in the macOS Keychain. Long text? No problem. PromptSpeak intelligently segments even very large passages into natural chunks and stitches them back together for smooth, lifelike narration. FEATURES - Instant text-to-speech that sounds natural and clear - Dozens of languages and voices to match your project - Live controls for speed and pitch - Presets to save and reuse your favorite settings - One-click export to your desktop - Privacy by design: your key stays in Keychain; text is sent only to your chosen provider PERFECT FOR - Creators who need quick voice-overs for podcasts and videos - Developers and designers adding audio to prototypes - Accessibility use cases and anyone who prefers listening over reading REQUIREMENTS - Personal API key for a compatible AI service (not included) - Google Gemini (Pro / Vision) — service of Google LLC - OpenAI GPT-4o / GPT-3.5 — service of OpenAI, L.L.C. - Permanent internet connection LEGAL - “Gemini” is a trademark of Google LLC. “OpenAI,” “ChatGPT,” and “GPT” are trademarks of OpenAI, L.L.C. This app is not affiliated with these providers. - End-User Licence Agreement (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula