Comparison

iokey vs 메일나라

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

Head to head
About

iokey

Features
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Short Description: This is the solution using smartphone to control and open the lock/door lock. Detail Description: The lock can be opened without physical key or password using the iokey (Bulukey) application after installing the door lock and registering the user on Iokey (Bulukey) service. Additionally, User can use powerful central managing function such as control mode, approval mode for the lock based on the schedule and so on. # Main Function # 1) Contactless Lock Opening Function - The lock can be opened using the button at smartphone application. - Switch from physical key to logical key (No loss, No copy) 2) Manager Approval Mode Based on the Schedules - The message will be transmitted to the manager in real time when the user tries to open the lock which sets as an important one. After the manager gives approval to open the lock, the user can open it. 3) Control Mode Based on the Schedules - Depending on the user or working hours, the authority for handling the lock can be set. 4) Easy Access Authority Set Up - Manager can give or collect access authority to user easily even for multiple locks or door locks 5) Checking the History of Access - Every history such as opening the lock, changing parameters or making a report saves to website. Manager can check the history easily. Customer Service : dambeesoft@gmail.com (Weekday 9:00-18:00 KST)

About

메일나라

Features
Read full description

[본 애플리케이션은 메일나라 고객만이 사용이 가능한 무료 애플리케이션입니다.] 메일나라 모바일 애플리케이션으로 이제는 메일나라 모바일 웹메일에 One-Touch 로 접속하세요. 1. 메일도착알림 메일 서버에 새로운 메일이 도착하면 서버에서 직접 휴대폰에 신호를 보내 새로운 메일이 도착하였음을 알려줍니다. 2. One-Touch 접속 메일 도착 알리미 APP에 로그인 정보를 입력해두면 추후 아이디 비밀번호 입력 없이 간편하게 아이콘 클릭만으로 모바일 웹메일에 접속할 수 있습니다.

Screenshots

iokey4 screens
메일나라4 screens

Verdict

The call

The clearest difference is iOS requirement: 메일나라 at 11.0 against iokey's 15.0. 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

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

iokey ships an update every 4 months, 메일나라 every 2 months. The most recent releases landed on October 29, 2026 and October 28, 2026 respectively.

Scorecard1 real difference · 6 level
iokey versus 메일나라: the parameters behind the verdict, then further details
Parameteriokey메일나라
PriceFreeFree
Positive reviews—0.0% of reviews
Update frequencyEvery 4 monthsEvery 2 months — better
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS15.011.0 — better
Further details — not scored
Size14 MB138 MB
Age rating4+4+
DeveloperDambee Technology Co., Ltd.SamJung Data Service

In-app purchases

None

iokey

No in-app purchases

None

메일나라

No in-app purchases

Questions

Is iokey free?
iokey is free to download, with no in-app purchases.
Is 메일나라 free?
메일나라 is free to download, with no in-app purchases.
Do iokey or 메일나라 have ads?
Neither iokey nor 메일나라 shows ads.
Which is updated more often, iokey or 메일나라?
iokey ships an update every 4 months, and 메일나라 every 2 months. Most recently, iokey was updated on October 29, 2026 and 메일나라 on October 28, 2026.

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