50
BU Score
Solid
Koro Voices: Text to speech
✍️ bumetric analysis
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Koro Voices: Text to speech is an iOS app from Emanuele Delirio in the Productivity category, currently rated 4.0★ across 1 ratings. Initial signal reads as mixed reviews: supporters praise core features while critics cite stability and value gaps.
Our BU Score puts it at 50: Solid (established niche player). For a Productivity app, that means established niche player.
Track changes month-over-month in the Performance section below: live snapshot history and revenue forecast included.
📊 Performance Tracking LIVE
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Rating
—
Reviews
—
Forecast Revenue / mo
—
Snapshots tracked
0
since first record
Range:
💰 Forecast Revenue / mo
MODELRevenue forecast computed from BU's 234 trigger model on each snapshot. Calibrated against ground-truth from 58 verified-revenue apps.
🔬Forecast Breakdown — Why This Estimate?Top 7 of 7 triggers
Our ML model uses 200+ signals from public data. These are the most influential for this app:
| subscriptionREVIEW | +$2,500 | |
| multilingualREVIEW | +$1,700 | |
| Good rating (4.0★)METRIC | +$800 | |
| New app (8 months old)METRIC | −$700 | |
| Ad-supported / freemiumMETRIC | +$600 | |
| Single-language (English only)METRIC | −$400 | |
| Pre-traction phase (1 ratings)METRIC | −$300 |
METRIC = structural app data · REVIEW = mined from user reviews · ✓ VERIFIED = Stripe-verified anchor (TrustMRR)
📈 Reviews Growth
LIVECumulative review count from first BU snapshot. Each point = a tracked update.
⭐ Rating Trend
LIVEAverage rating evolution. Updates with each new review batch.
🗓️ Snapshot Timeline
HISTORYEach bar shows a tracked update and the metric delta from the previous snapshot.
App Specs
🔐 Own this app? Claim & verify MRR →💾 108 MB🔞 12+📱 iOS 16.6+🔖 v2.0.1🔄 updated 1mo ago🌐 EN📂 Productivity💰 Paid🚀 Launched 2025 (0y old)
📝 About this app
Try before you buy! If you like the app, a single purchase is available to unlock the full app without limits.
Speech is currently only available in English and Italian.
A voice aloud reader, completely offline on your device. No internet required, no limits, no subscriptions.
Just listen to that long wall of text that you really need to read or save it for later, with the voice you want.
Multilingual transcription is now available with a new Whisper model.
What is Koro about:
TEXT TO SPEECH:
- Unlimited speech synthesis: turn text of any length into spoken language, whenever you need. Simulate interesting podcasts or relaxing audiobook.
- Mix and match voices: choose from built-in voices or blend them together to create your own unique sound. Make it sound just right for you.
- Text import: drop in text files or PDFs and Koro will read them out loud. Great for articles, documents, or anything you want to listen to.
- Share your audio: save speeches as audio files and share them anywhere. Listen back anytime, even without the app.
- Advanced Customization: if some words don’t sound right, add their pronunciation at phoneme level for a perfect speech.
TRANSCRIPTION (English):
- Live transcription with Whisper.
- Extract speech from video and audio files.
SUMMARIZATION:
- Summarize text with a local language model.
- Long text summarization and rewriting.
Some features are limited with the free version. If you like the app, you can unlock all the functionalities with a single, lifetime purchase.
Privacy first:
Everything happens right on your device. No cloud services, no data usage, no restrictions.
Since everything works offline, your text never leaves your phone. Complete privacy.
Performance:
The speed and general performances of Koro change depending on your device model.
Supported languages:
English (American and British) and Italian.
Transcription is available with 10+ languages.
For questions: info@latentlake.com
Speech is currently only available in English and Italian.
A voice aloud reader, completely offline on your device. No internet required, no limits, no subscriptions.
Just listen to that long wall of text that you really need to read or save it for later, with the voice you want.
Multilingual transcription is now available with a new Whisper model.
What is Koro about:
TEXT TO SPEECH:
- Unlimited speech synthesis: turn text of any length into spoken language, whenever you need. Simulate interesting podcasts or relaxing audiobook.
- Mix and match voices: choose from built-in voices or blend them together to create your own unique sound. Make it sound just right for you.
- Text import: drop in text files or PDFs and Koro will read them out loud. Great for articles, documents, or anything you want to listen to.
- Share your audio: save speeches as audio files and share them anywhere. Listen back anytime, even without the app.
- Advanced Customization: if some words don’t sound right, add their pronunciation at phoneme level for a perfect speech.
TRANSCRIPTION (English):
- Live transcription with Whisper.
- Extract speech from video and audio files.
SUMMARIZATION:
- Summarize text with a local language model.
- Long text summarization and rewriting.
Some features are limited with the free version. If you like the app, you can unlock all the functionalities with a single, lifetime purchase.
Privacy first:
Everything happens right on your device. No cloud services, no data usage, no restrictions.
Since everything works offline, your text never leaves your phone. Complete privacy.
Performance:
The speed and general performances of Koro change depending on your device model.
Supported languages:
English (American and British) and Italian.
Transcription is available with 10+ languages.
For questions: info@latentlake.com
🆕 What's New · v2.0.1
Fixed the pronunciation of some common words.
General UI and stability improvements.
General UI and stability improvements.
Profile & Insights
Everything we know — and don't — about this app and its company.
Identification
- App name
- Koro Voices: Text to speech
- Developer
- Emanuele Delirio
- Bundle ID
- com.latentlake.meshmaker
- App Store URL
- Open in App Store
- Category
- Productivity
- Content rating
- 12+
- Languages
- EN
Company
- Website
- latentlake.com
- Tagline
- Latent Lake
- Description
- Not found
- Founded
- Not found
- HQ / Address
- Not found
- Employees
- Not found
- Logo
- Not found
Revenue
- Verified revenue / mo
- Not found
- AI revenue estimate / mo
- Not found
- AI annual estimate
- Not found
- ML model estimate / mo
- $24.2K/mo
- Top-grossing rank
- Outside top 100 in US Productivity
- All-time revenue
- Not found
- Pricing
- Not found
Founder
- Name
- Not found
- X / Twitter
- Not found
- Not found
- GitHub
- Not found
- X followers
- Not found
- Public statements
- Not found
Funding
- Total raised
- Not found
- Last round
- Not found
- Investors
- Not found
- Crunchbase
- Not found
- AngelList
- Not found
Press & Links
- Articles found
- Not found
- Listed on
- Not found
- Blog
- Not found
- Press / News
- Not found
Contacts & Socials
⭐Recent App Store Reviews1 latest · avg 4.0★ · 0% 5★ · 0% 1★
5★0 (0%)
4★1 (100%)
3★0 (0%)
2★0 (0%)
1★0 (0%)
+0 ratings/week
Top positive
★★★★☆ 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 I…
Top negative
★★★★☆ 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 I…
📈Ratings growth1 ratingsShow 3-year history estimate ▾
Tracked (3 weeks) Pre-tracking estimate (10 weeks) · model-based, ±5% noise · anchored to release date and current value
🌍Geographic ReachNot ranked
This app is currently outside the top 100 grossing in all 9 countries we monitor (US, UK, DE, FR, JP, CA, AU, BR, IN). Niche or new apps often launch this way — popularity rankings appear once daily revenue clears the regional threshold.
Profile is built from iTunes Lookup + developer site scrape + ML revenue model. Empty fields show "Not found" — additional sources (Crunchbase, X, IndieHackers, Acquire.com) coming.
More by Emanuele Delirio
View all →
Full revenue analysis
Read the article-style breakdown for Koro Voices: Text to speech: category rank, percentile, growth signal, comparable apps, and how the forecast is calibrated against verified-MRR anchors in this niche.