Tetsy is an AI text to speech app, TTS voice reader and AI voiceover maker that turns any text to audio MP3 with a natural voice you pick — OpenAI TTS, ElevenLabs TTS, Microsoft TTS, Azure TTS, Google TTS, Amazon Polly, Watson TTS, Speechify TTS or any system TTS engine on Android.

One AI text to speech app and TTS router for every provider. Use it as a text reader and voice reader, compare OpenAI voice and natural voice samples, then export text to audio as MP3, WAV or OGG — no juggling a dozen separate apps.

Key features:

- AI text to speech with a natural voice and neural voice quality from every major TTS provider
- TTS voice, text reader and voice reader with read aloud for articles, scripts and notes
- Multi TTS routing: OpenAI TTS, ElevenLabs TTS, Microsoft TTS, Azure TTS, Google TTS, Amazon Polly TTS, Watson TTS, Speechify TTS, ChatGPT TTS
- ChatGPT and OpenAI voices on your own API key
- Works as a system-wide TTS engine for any other Android app
- AI speech synthesis, voice synthesis and speech generator with natural voice output
- AI narration and AI voiceover for videos, scripts, e-learning and YouTube
- Multilingual TTS with auto language detection across every provider
- Voice and model selection per TTS service
- Text to audio export: convert text to MP3, WAV or OGG; text to mp3 saver for long reads
- AI voice generator and voice generator for narration, audiobooks and chapters
- TTS API integration with your own keys — no middleman, your TTS API keys stay on device
- Advanced TTS customization: rate, pitch, volume, SSML hints

Why Tetsy as your AI text to speech app:

- One app instead of ten — every TTS API behind one clean interface
- Compare OpenAI voice, ElevenLabs, Azure and Google TTS voice samples side by side
- Save text to audio files locally as MP3, WAV or OGG for podcasts, study material and accessibility
- A clear text reader and voice reader for long articles and documents
- Reliable system TTS engine for Android read aloud across any app

Use cases:

- AI voiceover and AI narration for YouTube, TikTok, Reels and Shorts with a lifelike voice
- OpenAI voice and AI replies for your notes and journals
- Text to voice for emails, articles, RSS and long reads
- Audiobooks, study material and accessibility playback from any text
- TTS voice and text reader for system-wide read aloud on any Android app or browser

Whether you need a quick speech synthesis preview, a polished AI voiceover for a video, a lifelike voice for your notes, a reader for articles, an audiobook converter for long reads, or a reliable TTS engine for read aloud — Tetsy gives you every major text to speech API behind a single clean AI voice generator UI.