Comparison

Kyna Tutor vs PolyPi AI

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

Head to head
About

Kyna Tutor

This app offers personalized English learning programs with live teachers and AI tutors. It focuses on improving all four language skills through interactive lessons and progress tracking. Users can practice pronunciation and receive tailored learning suggestions.

Highlights
  • 1-on-1 English learning programs
  • AI tutors for pronunciation and suggestions
  • Personalized learning paths
  • Interactive online learning
  • Progress tracking and visual reports
  • Connect with support team
Features
Read full description

- Over 10 years of experience in personalized online learning with teachers. - 10,000+ outstanding teachers worldwide, dedicated to helping students make rapid progress. - Achieve outstanding progress through a personalized learning pathway tailored to each student’s ability, interests, and pace. - Enjoy a dynamic online learning experience with live visual and audio interaction throughout every lesson. Why should you choose Kyna Tutor? - Top 3 KIES Edu Award 2018 for the best educational products. - Top 5 best educational transformation solutions worldwide, honored by leading American educational magazines. - The only Vietnamese children's English application selected for Google Demo Day 2019. - Chosen by over 150,000 users in Vietnam, Thailand, Indonesia, Laos, and other countries. APPLICATION FEATURES: - Effective learning and interaction with teachers directly on the app. - Easily manage schedules and track assignments; quickly book or cancel classes with one touch. - Gain clear insights into learning progress and results; receive visual reports detailing each skill per subject. - Conveniently connect with the support team anytime, anywhere, and receive instant notifications from Kyna Tutor. BENEFITS OF LEARNING AT KYNA TUTOR: - Flexible studying format; learn anytime, anywhere. - Interactive learning with high-quality teachers holding international certifications. - Build a strong foundation in English while developing comprehensive skills. - Improve communication skills and expand future career opportunities. Download Kyna Tutor today and experience personalized online learning at its best! Kyna Tutor – Your personalized online learning platform with dedicated teachers ---- CUSTOMER SERVICES: If you have any questions during use, please do not hesitate to contact Kyna Email: support@kynaenglish.com Website: https://kynaenglish.com/

About

PolyPi AI

Prepare for TOEIC and IELTS exams with an AI-powered English learning assistant. Practice speaking and writing, receive grammar corrections, and get personalized lesson recommendations based on your performance. Optimize your learning journey with accurate scoring and in-depth analysis.

Highlights
  • AI-powered exam preparation
  • Speaking and writing practice
  • Grammar correction and suggestions
  • Automatic translation
  • Scored practice sessions
  • Personalized lesson recommendations
  • Unlimited essay grading
Features
Read full description

PolyPi AI stands as a unique English learning platform, focusing on TOEIC and IELTS exam preparation through Artificial Intelligence (AI). This platform is not merely an effective exam preparation tool but also serves as a personal assistant in your English learning journey. For IELTS, users can select and concentrate on desired topics, practicing speaking and writing in English with PolyPi AI. It not only checks grammar but also suggests accurate expressions, helping users to rectify and enhance their skills. Additionally, PolyPi AI has the capability to automatically translate, allowing users to easily understand and grasp the meanings of each sentence and word. The platform also scores practice sessions, helping users to gain clearer insights into their strengths and weaknesses, thus providing a correct learning direction. Based on learning results and scores, PolyPi AI will recommend suitable lessons and materials, assisting each user in optimizing their learning process. This platform delivers a personalized, flexible, and effective English learning experience. UNIQUE ADVANTAGES 1. Accurate Scoring : Our AI rapidly and precisely grades essays following IELTS band scores and provide upgraded versions of your essays. UNLIMITED essays can be graded/corrected. 2. In-Depth Analysis : AI analyzes errors and adjusts tests to focus on specific topics where each student often makes mistakes and needs to improve. 3. Freestyle & Themed Speaking : Unlimited speaking practice 24/7 with intelligent, flexible, and the most native-like AI. 4. 2 Speaking Practice Modes : Freestyle or practice with predicted IELTS Speaking topics (Most of which are actual IELTS tests. PolyPi AI is not just an app; it’s a revolutionary step in English learning, opening opportunities for everyone to conquer TOEIC and IELTS easily and effectively. Explore and experience PolyPi AI to open the doors to your future career and education! Download PolyPi AI today to commence your English learning journey and conquer crucial exams! Terms of Use: https://polypi.ai/terms Privacy Policy: https://polypi.ai/privacy

Screenshots

Kyna Tutor4 screens
PolyPi AI4 screens

Verdict

The call

The clearest difference is review sentiment: Kyna Tutor at 100% against PolyPi AI's 60%. PolyPi AI's advantage is update cadence (every 3 days vs every 3 months) and iOS requirement (12.0 vs 15.1). On price, ads, in-app purchases and monetization model 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. Kyna Tutor sells 3 one-off in-app purchases and PolyPi AI sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Kyna Tutor ships an update every 3 months, PolyPi AI every 3 days. The most recent releases landed on August 7, 2026 and June 3, 2026 respectively.

Scorecard3 real differences · 7 level
Kyna Tutor versus PolyPi AI: the parameters behind the verdict, then further details
ParameterKyna TutorPolyPi AI
PriceFreeFree
Rating4.2 (15 ratings) — better—
Positive reviews100.0% of reviews — better60.0% of reviews
Number of ratings15 — better—
Update frequencyEvery 3 monthsEvery 3 days — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.112.0 — better
Further details — not scored
Size45 MB159 MB
Age rating4+4+
DeveloperKynaNGO XUAN DAI

Customer experience

Kyna Tutor

All ratings15 ratings
Positive80.0%
Neutral0.0%
Negative20.0%
Written reviews5 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

PolyPi AI

Written reviews5 reviews
Positive60.0%
Neutral20.0%
Negative20.0%

In-app purchases

3 purchases

Kyna Tutor

One-time3
  • Package 8 sessions$14.99
  • Package 16 sessions$29.99
  • Package 24 sessions$44.99
3 purchases

PolyPi AI

One-time3
  • Gói Point$29.99
  • Gói 3 tháng$29.99
  • Gói 6 tháng$49.99

Questions

Is Kyna Tutor free?
Kyna Tutor is free to download, with in-app purchases available.
Is PolyPi AI free?
PolyPi AI is free to download, with in-app purchases available.
Do Kyna Tutor or PolyPi AI have ads?
Neither Kyna Tutor nor PolyPi AI shows ads.
Which is updated more often, Kyna Tutor or PolyPi AI?
Kyna Tutor ships an update every 3 months, and PolyPi AI every 3 days. Most recently, Kyna Tutor was updated on August 7, 2026 and PolyPi AI on June 3, 2026.

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