Bisyntax Builder vs LunGO
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Bisyntax Builder
Learn Chinese and English syntactic skills through engaging, game-like lessons. Master sentence structure, tenses, and prepositions with hundreds of practice questions. Acquire basic grammar knowledge in a fun and interactive way.
- Parallel Chinese and English syntactic skill development
- Game-like lessons for basic grammar
- Focus on sentence structure and tenses
- Hundreds of practice questions
- Engaging and fun learning experience
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Bisyntax Builder was developed by the Education University of Hong Kong, to teach Chinese and English syntactic skills in parallel. We aim to provide you with an engaging and fun way to acquire basic syntactic knowledge. In Bisyntax Builder, you will learn sentence structure, tenses, prepositions, and other basic grammar with game-like lessons. You can also test your knowledge on these topics with hundreds of practice questions.
LunGO
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Learn English naturally with words, not by getting lost in boring grammar rules! LunGO is your new generation language learning companion that engraves over 5000 words into your memory through games and smart exercises. Whether you are starting from scratch (A1) or are at an advanced level (C1), LunGO improves your vocabulary, helping you speak more fluently and understand what you read. WHY LUNGO? Gamified Learning Experience: No more just flipping flashcards! Turn learning into a habit with the fun modes you see in the screenshots: • Wordle Mode: Challenge your mind by guessing 5-letter words. • Sentence Builder: Learn grammar naturally by arranging words in the correct order. • Word Match: Test your speed and memory by matching words with their meanings. • Word Puzzle: Connect letters to discover hidden words. Category-Based Progress: Study with categories designed for how the brain works, rather than complicated lists: • Nouns, Verbs, Adjectives, Adverbs • Pronouns, Prepositions, and Idioms • Special lists tailored to your level (A1, A2, and above). Smart Review System: The app tracks the words you don't know. A "My Unknown Words" list is automatically created, and these words are presented to you until you fully master them. KEY FEATURES: • Offline mode support. • 5000+ carefully selected, most frequently used English words. • Strong vocabulary foundation for exams like TOEFL and IELTS. • Modern, eye-friendly Dark Mode support. • Create and manage your own vocabulary lists. Learning English has never been this fun. Download LunGO now and expand your vocabulary with games!
Screenshots
Verdict
The clearest difference is in-app purchases: Bisyntax Builder at none against LunGO's 1. Bisyntax Builder also leads on ads (none vs shown) and iOS requirement (11.0 vs 15.1). LunGO's advantage is update cadence (every 2 days vs every 4 months). On price 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. LunGO sells 1 in-app purchase, starting at $2.99 per month. Bisyntax Builder asks for nothing beyond the download.
Bisyntax Builder ships an update every 4 months, LunGO every 2 days. The most recent releases landed on November 3, 2026 and November 6, 2026 respectively.
| Parameter | Bisyntax Builder | LunGO |
|---|---|---|
| Price | Free | Free |
| Rating | 3.0 (1 ratings) — better | — |
| Positive reviews | 0.0% of reviews | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 4 months | Every 2 days — better |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 11.0 — better | 15.1 |
| Further details — not scored | ||
| Size | 587 MB | 52 MB |
| Age rating | 4+ | 4+ |
| Developer | Kazoo Technology (Hong Kong) Limited | Ahmet Muhammet Vural (AN) |
In-app purchases
Bisyntax Builder
No in-app purchases
LunGO
- Monthly Premium$2.991 Month









