Poly Parents vs Buff
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Poly Parents
This application provides exclusive access for parents to various educational services from Poly, a global leader in education. It offers a convenient and easy way to utilize the company's diverse offerings.
- Exclusive parent access
- Convenient service utilization
- Access to diverse educational offerings
- Global education leader services
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글로벌 리더를 양성하는 교육 전문 기업 Poly의 학부모 회원 전용 어플리케이션입니다. 본 어플리케이션을 통해 Poly의 다양한 교육 서비스를 보다 쉽고 편리하게 이용하실 수 있습니다.
Buff
This app helps students from specific language academies reinforce vocabulary learned through i-Learning/p-Learning and prepare for word tests. Users can review learned words, track their progress, and level up their 'word power' as they memorize more terms.
- Vocabulary training for tests
- Review learned words
- Track memorization progress
- Level up word power
- Character customization
- Tablet and phone compatible
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※ Buff: Word Power 는 청담어학원 및 April α 어학원 수강생이 단어를 재밌게 학습할 수 있도록 도와주는 앱입니다. - Training 을 통해 i-Learning/p-Learning 에서 익힌 단어와 교육부 지정 단어를 학습할 수 있습니다. - Training 을 통해 단어 시험 대비를 해보세요. - 단어장에서 지금까지 학습했던 단어를 반복 학습할 수 있습니다. - 내가 암기한 단어 수에 따라 워드파워가 성장하고, 레벨업 할 수 있습니다. ※ Buff: Word Power의 주요 기능 - 태블릿과 휴대폰에서 이용 가능 - 청담어학원, THE OPEN 청담어학원, April α 어학원 재원생만 사용 가능 - 단어장을 통해 지금까지 학습한 단어를 점검 및 복습 가능 - 단어장에서 나와 상위 10%가 마스터한 단어 개수 확인 가능 - 캐릭터 설정 및 변경, 레벨업에 따른 아우라 획득 가능
Screenshots
Verdict
The clearest difference is review sentiment: Buff at 43% against Poly Parents's 25%. On price, update cadence, ads and in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on October 6, 2026 and October 17, 2026 respectively.
| Parameter | Poly Parents | Buff |
|---|---|---|
| Price | Free | Free |
| Rating | — | 3.5 (4 ratings) — better |
| Positive reviews | 25.0% of reviews | 43.5% of reviews — better |
| Number of ratings | — | 4 — better |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 13.0 — better | 13.1 |
| Further details — not scored | ||
| Size | 90 MB | 228 MB |
| Age rating | 4+ | 4+ |
| Developer | Poly Inspiration, Inc. | CREVERSE, Inc. |
Customer experience
Poly Parents
Buff
In-app purchases
Poly Parents
No in-app purchases
Buff
No in-app purchases








