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Koro Voices: Text to speech

Koro Voices: Text to speech

Private AI voice generation

2 ratings
2 reviews
📊 Productivity
🎬 Entertainment
$1.99 Free
In-App Purchases
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Details

  • Released
  • Updated
  • August 23, 2025
  • March 25, 2026

Features

Developer

Emanuele Delirio
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About

Convert any text into speech with a variety of voices, all processed offline on your device. This app also offers transcription and summarization features, with a single purchase to unlock all functionalities.

✓Unlimited text-to-speech synthesis
✓Mix and match voices
✓Import text files and PDFs
✓Save speeches as audio files
✓Live transcription with Whisper
✓Summarize long texts
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What's New in Koro Voices

2.0.1

March 25, 2026

Fixed the pronunciation of some common words. General UI and stability improvements.

1

In-App Purchases

$1.99

Koro Unlimited

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User reviews

Most RecentHighest RatedLowest Rated

This is a scam, don’t waste your money

This app doesn’t work.
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Response from developer

If you have issues with the app you can contact me or ask for a refund. However several users have downloaded it already and I never received this kind of complain.

Really promising app - hope for more updates!

This is a steal for $2. Transcription is lightning fast and offline. How??? So impressive. Voice quality is far better than Apple onboard. Pronunciation needs work. Even with the custom tool, which has a limited character set for standard IPA, some words ending in S or ED or anything with an apostrophe has problems. That said, if they ever fix up a couple of those things, you’d have a utility that is as useful as a calculator for anybody who uses TTS in their workflow.
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FAQ

What languages does Koro Voices support for speech?

Koro Voices currently supports speech in English (American and British) and Italian. Transcription is available in over 10 languages.

Does Koro Voices require an internet connection?

No, Koro Voices is designed to work completely offline on your device. This means your text never leaves your phone, ensuring complete privacy and no data usage.

How does the pricing work for Koro Voices?

The app is free to try with some limitations. A single, lifetime purchase is available to unlock all functionalities without any further costs or subscriptions.

Can I customize the voices in Koro Voices?

Yes, you can mix and match built-in voices to create your own unique sound. For precise pronunciation, you can also add custom phoneme-level pronunciations for specific words.

What kind of content can I import into Koro Voices?

You can import text files and PDFs directly into Koro Voices. The app will then read these documents aloud for you, making it great for articles and long texts.

How often is Koro Voices updated?

The latest version, 2.0.1, was last updated on March 25, 2026. Update frequency can vary, but the developer actively maintains the application.

What is the age rating for Koro Voices?

Koro Voices has an age rating of 12+, making it suitable for a wide range of users.

What are the performance characteristics of Koro Voices?

The speed and general performance of Koro Voices depend on your specific device model. All processing is done locally on your device.