Comparison

PolyChat vs Learn Vietnamese

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

PolyChat

Master new languages with interactive lessons, engaging games, and an AI chat tutor. Practice vocabulary, grammar, and conversation with a powerful translator and conjugation tools. Learn at your own pace, anytime, anywhere.

Highlights
  • Interactive lessons
  • Gamified vocabulary challenges
  • AI chat tutor
  • Real-time translator
  • Verb conjugator
  • Progress tracking
Features
Read full description

PolyChat is the leading language learning app for iOS, designed to take you from beginner to fluency with interactive lessons, games, AI chat and video call tools, vocabulary exercises, study lists, translation tools, and conversation practice. Learn English, Spanish, French, Italian, German, Dutch, Portuguese, Polish, Romanian, Croatian, Catalan, Czech, Danish, Norwegian, Swedish, Vietnamese, and Albanian with over 5,000 lessons per language. PolyChat is the only app that combines structured lessons with custom lessons, giving you the power to learn exactly what you want, anytime you want. Whether you are learning for travel, work, school, ESL study, or personal growth, PolyChat helps you speak confidently faster than traditional apps. Why PolyChat? • 5,000+ lessons per language from beginner to mastery (CEFR A1–C2) • Placement test to match you with lessons for your level • Unlimited custom lessons • AI chat tutor with interactive video calls • Custom study lists for words and phrases • Vocabulary games and roleplay challenges • Built-in translator and conjugation challenges • Progress tracking for words, phrases, and verbs • Designed for beginners through advanced speakers • Free to start learning today Master Languages With Structured Lessons PolyChat includes thousands of lessons covering vocabulary, grammar, verbs, conjugation, pronunciation, listening, reading, and speaking skills. Practice beginner lessons, verb drills, grammar exercises, translation practice, listening activities, and roleplay conversations designed to build fluency naturally. Vocabulary modules, phrase matching games, timed challenges, and custom study lists help reinforce what you learn. Our lesson map makes it easy to stay motivated and track your progress. Unlimited Custom Lessons Generate fully customized language lessons instantly with AI. Create lessons for: • Business English conversation • German travel phrases • Portuguese vocabulary for soccer • Dutch grammar exercises • French slang • Spanish roleplay scenarios • ESL speaking practice • And almost anything else you can imagine Create your own lesson in seconds and make language learning limitless. AI Chat Tutor and Video Calls Practice naturally with your personal AI tutor through chat or interactive video calls. PolyChat's AI tutor helps you: • Improve conversation and speaking skills • Learn useful phrases and vocabulary • Get corrections instantly • Practice realistic situations through roleplay From beginner conversation to advanced discussion, PolyChat adapts to your level. PolyChat also includes an instant translator with examples and alternatives, custom study lists, vocabulary and conjugation challenges, and spaced repetition review. Everything works together in one app to help you learn faster and remember more. LEARN THROUGH GAMES AND CHALLENGES PolyChat includes: • Vocabulary games • Speaking challenges • Timed word games • XP rewards • Streaks • Leaderboards • Achievements • Daily challenges • Social learning features These features keep you motivated while building real language skills. Download PolyChat today and discover why thousands of learners are choosing the most complete language learning app for iPhone and iPad. Learn faster. Speak confidently. Master languages with PolyChat. Privacy Policy: polychatapp.com/privacy Terms of Service: polychatapp.com/terms

About

Learn Vietnamese

Learn Southern Vietnamese with structured lessons, extensive vocabulary, and pronunciation guides. Explore interactive maps of Saigon and create flashcards from photos. Designed for travelers and heritage learners.

Highlights
  • Southern Vietnamese dialect focus
  • 50 structured lessons with quizzes
  • 10,000+ vocabulary words
  • Southern Vietnamese audio recordings
  • Interactive Saigon map exploration
  • AI photo flashcard creation
  • 100% offline functionality
Features
Read full description

Learn Southern Vietnamese, then find places to use it. Discover events and things to do in Saigon, meet people, and practice the Vietnamese you are learning—all in one app. Every other app teaches Hanoi Vietnamese. But you live in Saigon — or you're heading there. Learn Vietnamese: Saigon is the first app built from the ground up around Southern Vietnamese, the dialect actually spoken by the people around you. This app teaches the Vietnamese you'll hear on the street, in the café, and at the market — not the textbook version that leaves locals confused. WHY SOUTHERN VIETNAMESE MATTERS Most language apps default to Northern (Hanoi) pronunciation and vocabulary. But Ho Chi Minh City and the entire south of Vietnam speak a different dialect — different tones, different pronouns, different everyday words. Learn Northern Vietnamese and use it in Saigon? Locals will understand you, but you won't understand them. We fix that. WHAT'S INSIDE - 50 structured lessons with quizzes covering CEFR levels A1 through B2 - 10,000+ words — 3,000 core vocabulary plus 8,000 in themed word packs - 1,000 sentence flashcards across 50 sets with color-coded grammar highlighting - 6,600+ Southern Vietnamese audio recordings with Southern pronunciation - 6-tone training with visual pitch contours so you hear and see the difference - 475 similar-sounding Vietnamese words across 92 practice sets to sharpen your listening - Smart pronoun system that auto-adjusts anh/em/chị based on your age and gender EXPLORE SAIGON WHILE YOU LEARN See what is happening today and browse upcoming events across Saigon. Find language exchanges, live music, social meetups, and more, with photos, useful details, maps, and links to organizers. Vietnamese-friendly language events appear first to help you find opportunities to meet people and practice. Navigate lessons through an interactive illustrated map of Saigon — not a boring lesson list. Discover vocabulary tied to real places, neighborhoods, and situations. A built-in city guide features 138 curated Saigon venues: cafés, restaurants, markets, and hidden spots locals love. TOOLS THAT ACTUALLY HELP - AI photo import — snap a menu or street sign, create instant flashcards - Study bundled flashcards and audio offline after setup; sign-in, cloud sync and photo import require internet - Apple Watch companion for quick review on your wrist - Color-coded sentence structure shows exactly how Vietnamese grammar works - 5 interface languages: English, French, German, Italian, Korean WHO IS THIS FOR Whether you just arrived in Ho Chi Minh City (HCMC), you're planning your first trip to Vietnam, or you want to reconnect with your Vietnamese heritage — this app meets you where you are. From absolute beginner to confident conversationalist. TRY IT FREE Download now and explore everything free for 7 days. Terms of Use: https://quarterspeak.com/terms Privacy Policy: https://quarterspeak.com/privacy

Screenshots

PolyChat4 screens
Learn Vietnamese4 screens

Verdict

The call

The clearest difference is ads: Learn Vietnamese at none against PolyChat's shown. Learn Vietnamese also leads on update cadence (every 5 days vs every 2 weeks) and device support (4 vs 2). PolyChat's advantage is rating (4.9 vs 4.6) and review sentiment (96% vs 79%). On price, in-app purchases, monetization model 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. PolyChat sells 9 in-app purchases, starting at $12.99 per month and Learn Vietnamese sells 12 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

PolyChat holds the better App Store score, 4.9 against 4.6. That said, the two scores are not equally well evidenced: PolyChat has 229 ratings behind it against 17, so its average is the more settled of the two. Written reviews point the same way: 96% of PolyChat's written reviews are positive against 79% of Learn Vietnamese's.

UpkeepUpdate frequency

PolyChat ships an update every 2 weeks, Learn Vietnamese every 5 days. The most recent releases landed on October 30, 2026 and October 22, 2026 respectively.

Scorecard6 real differences · 4 level
PolyChat versus Learn Vietnamese: the parameters behind the verdict, then further details
ParameterPolyChatLearn Vietnamese
PriceFreeFree
Rating4.9 (229 ratings) — better4.6 (17 ratings)
Positive reviews95.6% of reviews — better78.6% of reviews
Number of ratings229 — better17
Update frequencyEvery 2 weeksEvery 5 days — better
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchasesFreemium
DevicesiPhone, iPadiPhone, iPad, iPod, Apple Watch — better
Requires iOS16.415.1 — better
Further details — not scored
Size99 MB334 MB
Age rating12+4+
DeveloperApplied AIKevin Davis

Customer experience

PolyChat

All ratings228 ratings
Positive97.4%
Neutral2.2%
Negative0.4%
Written reviews68 reviews
Positive95.6%
Neutral0.0%
Negative4.4%

Learn Vietnamese

All ratings17 ratings
Positive88.2%
Neutral0.0%
Negative11.8%
Written reviews14 reviews
Positive78.6%
Neutral0.0%
Negative21.4%

Bugs and requests

PolyChat

Reported bugs

2 issues
  • ChatGPT not functioning (Pro subscription issue)
  • Pro subscription not working

Requested features

3 requests
  • Add writing exercises
  • Ability to open a lesson at any level
  • More lessons for total beginners

Learn Vietnamese

Not enough reviews yet to summarise bugs or requests.

In-app purchases

9 purchases

PolyChat

Subscriptions2
  • Polychat Plus Monthly7 Days trial$12.991 Month
  • Polychat Plus7 Days trial$89.991 Year
One-time7
  • Weekend Getaway$0.99
  • Regional Excursion$4.99
  • Road Trip$9.99
Show 4 more
  • Cross Country Adventure$19.99
  • Globetrotter Grand Tour$49.99
  • Space Odyssey$99.99
  • PolyChat Plus — Lifetime$199.99
12 purchases

Learn Vietnamese

Subscriptions9
  • Premium Monthly7 Days trial$4.991 Month
  • Premium Yearly$12.991 Year
  • Premium Yearly$19.991 Year
Show 6 more
  • Premium Yearly$24.991 Year
  • Premium Yearly$29.991 Year
  • Premium Yearly Creator7 Days trial$39.991 Year
  • Premium Yearly$39.991 Year
  • Premium Yearly7 Days trial$49.991 Year
  • Premium Yearly1 Year trial$49.991 Year
One-time3
  • Lifetime Access$49.99
  • Lifetime Access$74.99
  • Lifetime Premium$149.99

Questions

Is PolyChat free?
PolyChat is free to download, with in-app purchases available.
Is Learn Vietnamese free?
Learn Vietnamese is free to download, with in-app purchases available.
Which has better reviews, PolyChat or Learn Vietnamese?
PolyChat is rated higher. PolyChat averages 4.9 out of 5 from 229 ratings, while Learn Vietnamese averages 4.6 from 17 ratings.
Do PolyChat or Learn Vietnamese have ads?
PolyChat shows ads; Learn Vietnamese does not.
Which is updated more often, PolyChat or Learn Vietnamese?
PolyChat ships an update every 2 weeks, and Learn Vietnamese every 5 days. Most recently, PolyChat was updated on October 30, 2026 and Learn Vietnamese on October 22, 2026.

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