Comparison

11Protector vs 제주특별자치도 공공도서관

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

Head to head

About

11Protector

Features

Read full description

Check the authenticity of your products with 11Protector

About

제주특별자치도 공공도서관

Access a unified catalog of public libraries across Jeju Province. Manage your library account, find available books, and locate participating branches. Requires membership at a participating library.

Highlights

Unified library catalog
Account management
Book search
Library location finder
Membership information

Features

Read full description

* 이용가능도서관 : 한라도서관, 우당도서관, 탐라도서관, 제주기적의도서관, 애월도서관, 조천읍도서관, 한경도서관, 중앙도서관, 삼매봉도서관, 동부도서관, 서부도서관, 서귀포기적의도서관, 성산일출도서관, 안덕산방도서관, 표선도서관, 꿈바당어린이도서관 * 이용대상 : 제주특별자치도 공공도서관 통합도서회원 * 회원가입 : 제주특별자치도 공공도서관 소속 도서관 중 1곳을 방문하여 대출회원으로 가입 (제주도 거주 신분증 또는 제주도 소재 재학/재직증명서 지참)

Screenshots

11Protector4 screens

제주특별자치도 공공도서관4 screens

Verdict

The call

The clearest difference is update cadence: 제주특별자치도 공공도서관 at every 2 weeks against 11Protector's every 6 months. 11Protector's advantage is iOS requirement (13.0 vs 15.6). On price, ads, in-app purchases 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

11Protector ships an update every 6 months, 제주특별자치도 공공도서관 every 2 weeks. The most recent releases landed on October 14, 2026 and September 23, 2026 respectively.

Scorecard2 real differences · 6 level

11Protector versus 제주특별자치도 공공도서관: the parameters behind the verdict, then further details
Parameter	11Protector	제주특별자치도 공공도서관
Price	Free	Free
Positive reviews	—	0.0% of reviews
Update frequency	Every 6 months	Every 2 weeks — better
Ads	No	No
In-app purchases	No	No
Monetization	—	Free
Devices	iPhone, iPod	iPhone, iPad, iPod — better
Requires iOS	13.0 — better	15.6
Further details — not scored
Size	115 MB	31 MB
Age rating	4+	4+
Developer	The Coder	(주)이씨오

In-app purchases

None

11Protector

No in-app purchases

None

제주특별자치도 공공도서관

No in-app purchases

Questions

Is 11Protector free?

11Protector is free to download, with no in-app purchases.

Is 제주특별자치도 공공도서관 free?

제주특별자치도 공공도서관 is free to download, with no in-app purchases.

Do 11Protector or 제주특별자치도 공공도서관 have ads?

Neither 11Protector nor 제주특별자치도 공공도서관 shows ads.

Which is updated more often, 11Protector or 제주특별자치도 공공도서관?

11Protector ships an update every 6 months, and 제주특별자치도 공공도서관 every 2 weeks. Most recently, 11Protector was updated on October 14, 2026 and 제주특별자치도 공공도서관 on September 23, 2026.