Sonna AI: Human AI Narrator

Pro Text to Speech AI generator with realistic human voices for video creators.

Sonna AI is a high-performance Text-to-Speech solution designed to convert written text into natural, human-like speech. Powered by advanced AI technology, Sonna provides a seamless listening experience for students, content creators, researchers, and professionals who need an efficient way to consume information.

High-Fidelity AI Voices

Experience the next generation of Text-to-Speech. Sonna uses three advanced AI engines (WaveNet, Neural2, and Gemini 2.5 Flash TTS) to ensure expressive, clear, and professional speech free from traditional robotic tones. Every audio output is rendered in high-definition quality to provide maximum clarity and professional results.

Global Language Support

Expand your reach or enhance your learning with support for 57+ major languages, including English, Indonesian, Spanish, Portuguese, French, German, Arabic, Chinese, Japanese, Korean, Thai, Vietnamese, Russian, Turkish, and many more. Each language is optimized for accurate pronunciation and natural regional accents.

Secure Cloud Synchronization

Your workflow is integrated and persistent. Sonna automatically synchronizes your generated audio projects to the cloud, allowing for access across devices. Listen to your saved content at any time, even without an active internet connection after the initial download.

Precision Playback Control

Maintain full control over your listening experience with adjustable playback speeds ranging from 0.25x to 4.0x, plus pitch adjustments for fine-tuned audio customization. This feature is ideal for detailed proofreading, rapid information consumption, or language learning exercises.

Professional Subscription Tiers

Free Plan:
- 5,000 characters per month
- Access to 50+ AI voices
- Support for 57+ languages
- Export to MP3 format
- Full playback controls (0.25x-4x speed adjustment)

Pro Plan:
- Increased monthly character allowance
- Access to 50+ premium AI voices
- Expanded global language support
- Comprehensive cloud storage and device synchronization
- Ad-free professional experience

Max Plan:
- Highest character limits for large-scale projects
- Full access to all available voices and languages
- Priority server processing for faster conversion
- Full suite of premium features and future updates

Operational Use Cases

- Academic Productivity: Convert study materials into audio for hands-free learning
- Content Development: Generate professional-grade voiceovers for presentations and digital media
- Editorial Review: Verify the flow and tone of written documents by listening to them aloud
- Accessibility: Providing an essential reading alternative for users with visual or learning impairments

Security and Data Integrity

User privacy is our priority. All data is protected with AES-256 encryption during transmission and storage. Sonna connects through Google authentication to ensure a safe and verified login process. We do not distribute or sell personal user information.

Additional Security & Privacy

- All authentication tokens stored in encrypted local storage
- Advanced rate limiting for protection against abuse
- Server-side verification for all purchases through Google Play Billing APIs
- Complete audit trail for transparency and fraud prevention

Privacy Policy: https://sonna.smilarity.xyz/legal/privacy-policy
Terms of Service: https://sonna.smilarity.xyz/legal/terms-of-service

Sonna — Empowering your content through sound.