SherpaTTS is an Android Text-to-Speech engine based on Next-gen Kaldi using Piper or Coqui voices.
Cost / License
- Free
- Open Source (GPL-3.0)
Application type
Platforms
- Android
- F-Droid
- Global


Apps similar to RHVoice include SherpaTTS , which is free and open source. Other options are NaturalReader, Kokoro, eSpeak and AIVocal. You're spoiled for choice with Text to Speech Services like RHVoice: we list more than 25 alternatives for the web, Windows, Mac, Linux and Android.
SherpaTTS is an Android Text-to-Speech engine based on Next-gen Kaldi using Piper or Coqui voices.


Natural Reader is a professional text to speech program that converts any written text into spoken words. The paid versions of Natural Reader have many more features.



Kokoro is an open-weight TTS model with 82 million parameters. Despite its lightweight architecture, it delivers comparable quality to larger models while being significantly faster and more cost-efficient.

eSpeak is a compact open source software speech synthesizer for English and other languages, for Linux and Windows.


AIVocal is your all-in-one AI assistant for voice tasks—perfect for AI podcasting, speech generation, vocal editing, and voice control. From transcribing meetings to creating high-quality audio content, AIVocal makes voice work smarter and faster.

Transform text into speech with natural synthesis, offering smooth and fine-tuned audio export. Create high-quality voiceovers, download outputs for diverse applications, and experience excellent synthesis. Supports various languages and operates on multiple platforms.




loudkit is an open-source text-to-speech engine that runs on your own hardware. It ships two models, loudr-1 and the faster loudr-1-turbo, with 28 voices across ten languages (Danish, Dutch, English, French, German, Italian, Polish, Portuguese, Spanish, Swedish), and it can...

NextUp.com develops Windows text to speech (TTS) software applications like TextAloud that let your computer talk with AT&T Natural Voices. TextAloud can also be in Microsoft Word as a plug-in.

We're excited to introduce Chatterbox, Resemble AI's first production-grade open source TTS model. Licensed under MIT, Chatterbox has been benchmarked against leading closed-source systems like ElevenLabs, and is consistently preferred in side-by-side evaluations.
The eSpeak NG is a compact open source software text-to-speech synthesizer for Linux, Windows, Android and other operating systems. It supports more than 100 languages and accents. It is based on the eSpeak engine created by Jonathan Duddington.
Dia is a 1.6B parameter text to speech model created by Nari Labs. It was pushed to the Hub using the PytorchModelHubMixin integration.

Supertonic TTS is a high-performance, on-device text-to-speech (TTS) system for Android. It uses Supertonic ONNX models to provide high-quality speech synthesis entirely offline, ensuring privacy and availability without an internet connection.


