Stellai — your AI voice studio for Android.
Turn any text into natural speech, transform your voice with AI, generate sound effects, and translate your audio into 29 languages — all in one app.
★ AI Voice Changer
Record or upload audio and transform it into one of 160+ AI voices. Apply effects, mix styles, and create unique presets. Great for creators, gaming, streaming and pranking friends.
★ Text to Speech (TTS)
Type a script and hear it read in lifelike voices. Choose tone, accent and emotion. Perfect for narration, audiobooks, voiceovers, social-media content, and accessibility.
★ Voiceover Studio
Produce professional voiceovers for YouTube, TikTok, Instagram Reels and Shorts. Pick a voice, generate, and export high-quality audio in seconds.
★ Audio Dubbing in 29 Languages
Translate any voice recording into another language while keeping the speaker’s tone and emotion. Supports English, Spanish, French, German, Italian, Portuguese, Hindi, Japanese, Korean, Chinese and 19 more.
★ AI Sound Effects Generator
Describe what you need — “rain on a window”, “sci-fi door”, “cinematic boom” — and AI creates the effect. Perfect for podcasts, videos and games.
★ Noise Removal
Strip background noise from any recording in one tap. Clean up interviews, podcasts, voice notes and calls.
Why people choose Stellai
• 250+ premium AI voices, refreshed regularly
• 29-language translation and dubbing
• Studio-quality output on your phone
• No watermarks on exports
• Simple, fast workflow built for short-form creators
• Works for English, Spanish, German, French, Italian, Portuguese, Japanese, Korean, Chinese, Hindi and more
Use cases
• YouTube and TikTok voiceovers
• Audiobook narration
• Podcast intros and outros
• Streamer and gamer voice changing
• Accessibility — read articles, PDFs and notes aloud
• Translate your own voice into a new language
• Custom sound effects for video editing
Subscriptions and pricing
Stellai is free to try. Premium unlocks the full voice library, longer generations, language pack and priority processing. Subscriptions auto-renew unless cancelled at least 24 hours before the end of the current period. Manage in Google Play.
Supported languages
English, Spanish, French, German, Italian, Portuguese, Hindi, Japanese, Korean, Chinese, Indonesian, Dutch, Turkish, Filipino, Polish, Swedish, Bulgarian, Romanian, Arabic, Czech, Greek, Finnish, Croatian, Malay, Slovak, Danish, Tamil, Ukrainian, Russian.
Terms: http://stringcode.io/stellai/tos/
Privacy: http://stringcode.io/stellai/privacy/
Latest Version
3.4.6Uploaded by
Jesse Franklin
Requires Android
Android 8.0+
Category
Free Productivity AppContent Rating
Teen · Language
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Flag as inappropriateLast updated on Apr 28, 2026
Accessibility improvements: VoiceOver labels, Reduce Motion support, larger text scaling, and improved contrast in light mode.