Muolingo vs Prufio
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Muolingo
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This is a language learning app designed to help beginners quickly get started and understand the core elements of a language. If you're someone who plans to travel the world, this app is perfect for you. The main learning method is "listening." To achieve this, the app has incorporated many design features to help learners focus on listening. For example, Muolingo's interface is extremely minimalist, aiming to eliminate all distractions and allow you to focus on learning the content. The learning material is also streamlined, consisting of just a pair of sentences—one in your native language and one in the language you are learning. After that, you must listen to the audio of these two sentences. In fact, you can simply listen to the audio provided by the app. Since the app allows playback even with the screen locked, you can learn at any time—while running, walking, driving, on the bus, or at work... This way, you will quickly develop a deep and true memory of the language. The reason it’s called Muolingo is based on the original idea behind the app’s design: to support multiple languages. Yes, it supports 15 languages, including: zh, en, ja, ko, de, fr, es, ar, ru, pt, it, el, th, vi, hi. You can learn any of these languages. You can use Japanese to learn Spanish, or vice versa. Muolingo’s content ranges from beginner to A2 level, covering similar material to Duolingo. Additionally, for Japanese, the app provides furigana (pronunciation in kana) for kanji. I hope you enjoy it and that it truly helps you learn efficiently. Terms of use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Prufio
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RAISE YOUR ENGLISH SCORE FAST — ONE APP FOR EVERY MAJOR EXAM Prufio is your all-in-one English exam trainer: 45+ full-length mock tests that mirror the real format, AI grading for Speaking & Writing, and a day-by-day study plan built around your actual exam date. EXAMS COVERED • IELTS Academic & General Training • TOEFL iBT • TOEIC Listening & Reading • PTE Academic • Duolingo English Test (DET) • VSTEP (B1–C1) WHY PRUFIO? • Mock tests that feel real: timed sections, audio playback, auto-save and auto-submit • AI scores your Writing & Speaking against each exam's official criteria, with detailed feedback • In-depth explanations for every Listening and Reading question • A personalized roadmap generated from your real exam date — weakest skills first, daily vocabulary mixed in • Smart mistake bank: wrong answers are saved automatically and reviewable fully offline • Vocabulary flashcards with spaced repetition (SRS) and native pronunciation • Streaks and daily reminders to keep you on track until test day STUDY FREE EVERY DAY Free mock tests, unlimited quick Listening & Reading practice, and the first 5 lessons of every vocabulary course. Go Premium to unlock the full test library, detailed answer explanations, AI Writing correction and model Speaking answers. Download Prufio and start your plan today! Questions or suggestions: vuongnguyen.sk@gmail.com Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is device support: Prufio at 3 against Muolingo's —. On price, in-app purchases and iOS requirement 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. Muolingo sells 2 in-app purchases, starting at $0.99 per month and Prufio sells 4 in-app purchases, starting at $14.99 per 3 months. Whichever you choose, the download price is not the number that matters.
| Parameter | Muolingo | Prufio |
|---|---|---|
| Price | Free | Free |
| Update frequency | — | Every 6 days |
| Ads | — | No |
| In-app purchases | Yes | Yes |
| Devices | — | iPhone, iPad, iPod — better |
| Requires iOS | 15.6 | 15.5 — better |
| Further details — not scored | ||
| Size | 14 MB | 40 MB |
| Age rating | 4+ | 4+ |
| Developer | Xin Li | Nguyen Nhu Vuong |
In-app purchases
Muolingo
- 1-month subscription$0.991 Month
- 1-year subscription$3.991 Year
Prufio
- Prufio 3months$14.993 Months
- Prufio 6months$19.996 Months
- Prufio Subcrition 1Year$29.991 Year
- Prufio Forever$39.99









