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58
BU Score
Solid

LinDuo: Уроки Англійської Мови

4.8 ✍️ Editor
✍️ BU Analytics Review

LinDuo: Уроки Англійської Мови is an iOS app from Vitali Simsive in the News category, currently rated 4.8★ across 102 ratings. Initial signal reads as largely positive sentiment, users highlighting consistency and feature depth.

Our BU Score puts it at 58Solid (established niche player). For a News 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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idle
0%
Rating
Reviews
Forecast Revenue / mo
Snapshots tracked
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since first record
Range:

💰 Forecast Revenue / mo

MODEL
Revenue 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 5 of 5 triggers
Our ML model uses 200+ signals from public data. These are the most influential for this app:
Excellent rating (4.8★)METRIC
+$2,200
Multilingual (28 languages)METRIC
+$1,500
Established app (5y old)METRIC
+$800
Ad-supported / freemiumMETRIC
+$600
Early-stage install base (102 ratings)METRIC
+$400
METRIC = structural app data · REVIEW = mined from user reviews · ✓ VERIFIED = Stripe-verified anchor (TrustMRR)

📈 Reviews Growth

LIVE
Cumulative review count from first BU snapshot. Each point = a tracked update.
💚Sentiment Over Time↑ green = positive · ↓ red = negative
Jun 24
Jul 24
Dec 24
Jan 25
Feb 25
Mar 25
May 25
Aug 25
Nov 25

⭐ Rating Trend

LIVE
Average rating evolution. Updates with each new review batch.

🗓️ Snapshot Timeline

HISTORY
Each bar shows a tracked update and the metric delta from the previous snapshot.
App Specs
🔐 Own this app? Claim & verify MRR →
💾 280 MB🔞 4+📱 iOS 11.0+🔖 v5.32.1🔄 updated 2y ago🌐 AR, BE, CS, NL, EN +23📂 News💰 Paid🚀 Launched 2020 (5y old)

📝 About this app

ADVANTAGES OF OUR APP:
* Castilian pronunciation by a native speaker
* 2375 words split into 180 topic lessons
* Does not require permanent Internet connection
* Beautiful illustrations for each word
* Phonetic transcription for each word
* Dark interface to study at night
* Choose from male and female voice
* Built in app dictionary with progress
* Game "True or False" to review pas material
* Special lessons with favorite, difficult, old, random words
* Flexible sound settings (music, speaker, effects)
* Just 10-15 minutes per day to learn all words
* For adults and teens 13+

Only 10-15 minutes per day Spending just 10-15 minutes every day, will easily allow you to remember all useful English words. While memorizing words, the frequency of lesson is more important than duration of each lesson. 10 minutes on each day of the week will be more productive than one hour of tuition a week.

One minute lessons Taking into account busyness of modern life, we designed each lesson in the way so it would never take more than one minute to complete it! So you no longer need to search for free time to practice English! Simply, once you get a chance, launch the app and do one lesson at a time =) Short sessions will not affect efficiency of word memorization.

Only useful English words "English for Beginners" is a free and quick start to learn English language! Unlike others, we have only the most useful words, which are divided into 180 topic based lessons. Quality is here!

Teach-yourself English is designed, that it will use your visual and echoic memory to help you memorize English words fast and easy!

Special illustrations We use only specially developed infographics, so your eyes can quickly identify meaning of word or action without stressing them with small unnecessary details.

Word pronunciation by native speakers Our app will help you master pronunciation of English words! Each word is recording by professional native speaker! Additionally, in the settings you can choose between male or female voice.

Dynamic lesson difficulty The app changes lesson difficulty gradually as you progress. To achieve this, it keeps stats for EVERY word! Example: in the spelling mode, initially you need to insert several missing letters in a word, then create a word having extra letters and finally, when you are ready, you will need to type the entire word on the keyboard.

Modes for quick learning The App includes four additional lesson types which are made of Favorites, Difficult, Old, Random words. You can add any word to your favorites and later create custom lesson from your Favorite words. Words are automatically added to "Difficult" (the ones you struggle to memorize) and "Old" (which you have not reviewed for a long time) sections. A "Random" mode will create a unique lesson.

Do not need to know how to read If you cannot read yet, no problem! Each word has a transcription in your language! And for more experienced ones, in the settings, you can choose a phonetic (like in a dictionary) transcription.

Additional features Thanks to your reviews, we are constantly updating the app to make it better! To help you take care of your eyesight, with just one tap, you can activate dark theme. If you temporarily do not have internet access, no problem! The App can work offline as well!

Review Past Material Many good apps do not pay enough attention to review past material! For this purpose we created the word game "True or False". It is very simple, but it's addictive and the most importantly, it helps to repeat past material and never to forget it!

Support and Contact Us
If you have any questions or suggestions, please never hesitate to send us an email admin@lin-duo.com or use in-app contact form. We are always happy to answer your questions!

If you like our app, do not forget to share it with your friends in social networks.

🆕 What's New · v5.32.1

Every 5-star review speeds up the release of an app update!

Added GDPR Consent Message for users in the EU and UK
Added seven new achievements, increased rewards
Separate button for slow pronunciation
Pause during answer affects the next question
Correct placement of cards when answering quickly
Ability to quickly type a space in spelling lessons
Fixed error when swiftly clicking "check answer"
Ability to disable timer for alphabet lessons
Updated all components for improved application stability

Profile & Insights

Everything we know — and don't — about this app and its company.

Identification

App name
LinDuo: Уроки Англійської Мови
Developer
Vitali Simsive
Bundle ID
com.lin.duo.hd.english
App Store URL
Open in App Store
Category
News
Content rating
4+
Languages
AR, BE, CS, NL, EN, FR, DE, EL, HI, HU, ID, IT, JA, KK, KO, FA, PL, PT, RO, RU, ZH, ES, TL, TH, TR, UK, UZ, VI

Company

Website
lin-duo.com
Tagline
What language are you learning?
Description
English for Beginners - Memorize useful English words quickly and easily!
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
$86/mo
Top-grossing rank
Outside top 100 in US News
All-time revenue
Not found
Pricing
Not found

Founder

Name
Not found
X / Twitter
Not found
LinkedIn
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

Socials
Not found
Email
Not found
Phone
Not found
Contact page
Not found
About page
Not found
📈Ratings growth102 ratings+10100% lifetimeShow 3-year history estimate ▾Dec 2020Dec 2024May 2026
Tracked (17 weeks) Pre-tracking estimate (36 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.
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