MathPro by EtemiDev vs Language Tutor
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
MathPro by EtemiDev
This app is a comprehensive math resource for students in grades 5-12, offering over 290 formulas with explanations and examples. It includes a scientific calculator, unit converter, interactive diagrams, and a math term dictionary.
- 290+ math formulas with explanations
- Interactive diagrams and graphs
- Scientific calculator
- Unit converter
- Math term dictionary
- Practice quizzes
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MathPro is a complete math companion for students in grades 5–12 — and for anyone who wants clear, well-organized mathematics in one place. It brings together 290+ formulas across 12 categories: basics, algebra, geometry, trigonometry, calculus, statistics, sequences and series, vectors, complex numbers, linear algebra, discrete mathematics, and constants. Every formula comes with a clear explanation and step-by-step solved examples. FEATURES 290+ formulas with explanations and worked examples 50 interactive diagrams and graphs Scientific calculator (degrees/radians, trigonometry, logarithms and more) Unit converter for length, mass and temperature Quiz with 120 questions across difficulty levels Dictionary of 350+ math terms 200 math facts 40 mathematical symbols 20 key rules and laws Favorites to save what matters Dark and light mode Available in 14 languages Whether you're preparing for an exam, doing homework, or refreshing key concepts, MathPro keeps everything in one clean, easy-to-use place. Terms of Use (EULA) & Privacy Policy: https://sites.google.com/view/etemidev/privacy-policy-mathpro
Language Tutor
Learn Spanish, French, German, or ASL with guided lessons, realistic conversation practice, and quizzes. This app works offline without an account, offering a pocket phrasebook and instant translation.
- Bite-size lessons
- Realistic conversation practice
- Offline dictionary
- Speech recognition
- Progress tracking
- ASL signing guides
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Learn a new language at your own pace — no account and no internet required. Language Tutor helps you build real-world skills in Spanish, French, German, and American Sign Language (ASL) through guided lessons, realistic conversation practice, and quizzes that adapt to what you've mastered. LEARN, STEP BY STEP Follow a structured path of bite-size lessons, from core vocabulary and greetings to dining, directions, and travel. New lessons unlock as you progress, and your word mastery grows as you answer correctly. PRACTICE REAL CONVERSATIONS Rehearse the situations you'll actually face: meeting someone new, ordering at a café, asking for directions, taking a taxi, checking into a hotel, navigating the airport, and more. Speak your answers out loud and get instant feedback — speech recognition runs entirely on your device. YOUR POCKET PHRASEBOOK Hundreds of essential phrases organized by topic, each with a translation and native-sounding audio you can play anytime. Learning ASL? Every phrase includes a clear description of how to perform the sign. QUIZ YOURSELF Quick vocabulary quizzes track your score and reinforce the words you've been learning, so they stick. LOOK IT UP INSTANTLY A quick-translate button is always one tap away, on every screen, with an offline dictionary — perfect when you're mid-conversation and need a word fast. MAKE IT YOURS • Four languages: Spanish, French, German, and ASL • Regional accents to choose from (Spain or Latin America, France or Canada, Germany or Austria) • Listen to any phrase with natural text-to-speech • Custom background themes, with full light and dark mode support PRIVATE BY DESIGN Everything happens on your device. No account to create, no subscription — and it all works offline, even speech recognition. Perfect for planes, remote travel, or anywhere without a signal. Whether you're preparing for a trip, brushing up before a meeting, or starting a language from scratch, Language Tutor gives you a clear path from your first "hello" to real conversations. Questions or suggestions? Reach us at app.language.tutor@gmail.com.
Screenshots
Verdict
The clearest difference is rating: Language Tutor at 5.0 against MathPro by EtemiDev's 1.0. Language Tutor also leads on in-app purchases (none vs 1). MathPro by EtemiDev's advantage is ads (none vs shown) and iOS requirement (15.1 vs 18.6). On price, ratings volume, update cadence and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. MathPro by EtemiDev sells 1 in-app purchase, starting at $0.99 per year. Language Tutor asks for nothing beyond the download.
Language Tutor holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively.
MathPro by EtemiDev ships an update every 9 days, Language Tutor every 5 days. The most recent releases landed on September 24, 2026 and September 18, 2026 respectively.
| Parameter | MathPro by EtemiDev | Language Tutor |
|---|---|---|
| Price | Free | Free |
| Rating | 1.0 (1 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | 1 | 1 |
| Update frequency | Every 9 days | Every 5 days — better |
| Ads | No — better | Yes |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Ad-supported — better |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.1 — better | 18.6 |
| Further details — not scored | ||
| Size | 38 MB | 7 MB |
| Age rating | 12+ | 4+ |
| Developer | Gentiana Etemi | JUSTIN M VANZURA |
Customer experience
MathPro by EtemiDev
Language Tutor
In-app purchases
MathPro by EtemiDev
- MathPro Premium3 Days trial$0.991 Year
Language Tutor
No in-app purchases





