성북u vs POLYMall
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
성북u
This app unifies multiple libraries in the Seongbuk district, offering a single platform to search for and manage library resources. Users can reserve books, check loan status, and access their borrowing history across all integrated branches.
- Integrated library search
- Book reservations and cancellations
- Loan status and history
- Renewal requests
- Interlibrary loan applications
- User authentication for services
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성북u-도서관은 성북정보도서관, 아리랑도서관, 해오름도서관, 종암동새날도서관, 서경로꿈마루도서관, 석관동미리내도서관, 달빛마루도서관, 정릉도서관, 청수도서관, 월곡꿈그림도서관, 아리랑어린이도서관, 장위행복누림도서관, 성북길빛도서관, 오동숲속도서관을 하나로 통합한 전용 어플리케이션 입니다. 도서관 소장자료 검색 및 통합검색이 가능하며 도서관 회원은 인증을 통하여 도서관 서비스를 이용할 수 있습니다. 도서의 예약,예약취소,반납연기,상호대차신청 및 대출이력, 대출현황,예약현황을 확인 할 수 있습니다.
POLYMall
This app serves as a dedicated shopping portal for educational materials from KOREAPOLYSCHOOL. It allows registered users to easily browse and purchase textbooks and other required items by student, semester, or campus. Users can also group items into sets for convenient ordering and track their purchase history.
- Purchase textbooks by student
- Select by semester and campus
- Bundle items into sets
- Browse by category
- View order history
- Exclusive for POLY School members
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KOREAPOLYSCHOOL 교재 쇼핑몰 입니다. POLYmall 앱으로 언제 어디서나 간편하게 주문하세요! [주요 기능] 1) 학생 선택 - 학생의 학기별, 캠퍼스별 필요구매 교재 선택이 가능합니다. 2) 세트상품 구매 - 필요한 상품을 세트상품으로 묶어두어, 손쉽게 구매가 가능합니다. 3) 카테고리별 상품 구매 - 카테고리별로 상품을 선택하여 구매할 수 있습니다. 4) 주문내역 조회 - 주문내역을 조회하여 확인 할 수 있습니다. * 본 앱은 POLY School 회원 전용 앱으로, 회원에 한해 주문이 가능합니다.
Screenshots
Verdict
The clearest difference is update cadence: 성북u at every 3 weeks against POLYMall's every 4 months. 성북u also leads on review sentiment (33% vs 25%). POLYMall's advantage is iOS requirement (11.0 vs 15.6). 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
성북u ships an update every 3 weeks, POLYMall every 4 months. The most recent releases landed on September 23, 2026 and September 19, 2026 respectively.
| Parameter | 성북u | POLYMall |
|---|---|---|
| Price | Free | Free |
| Rating | 3.0 (2 ratings) — better | — |
| Positive reviews | 33.3% of reviews — better | 25.0% of reviews |
| Number of ratings | 2 — better | — |
| Update frequency | Every 3 weeks — better | Every 4 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 15.6 | 11.0 — better |
| Further details — not scored | ||
| Size | 19 MB | 11 MB |
| Age rating | 4+ | 4+ |
| Developer | (주)이씨오 | Poly Inspiration, Inc. |
Customer experience
성북u
POLYMall
In-app purchases
성북u
No in-app purchases
POLYMall
No in-app purchases
