Comparison

COMMAX IoT vs Keyin Plus

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

Head to head
About

COMMAX IoT

Control your smart home devices remotely using your smartphone. Manage lighting, security, and receive calls from your entryway. Requires compatible COMMAX IP Home IoT system installation.

Highlights
  • Remote device control
  • Lighting and heating management
  • Gas valve control
  • Security settings
  • CCTV monitoring
  • Receive entryway calls
Features
Read full description

스마트 폰을 사용하여 COMMAX IP Home IoT 시스템을 사용해보십시오 지원되는 제품 : -IP 홈 IoT 월 패드 (Cloud 2.0 연동제품) 함수: -장치 제어 (조명, 가스 밸브, 가열, 메인 스위치, 커튼, 환기 등) -보안 설정 (어웨이 모드, 주택 보안, CCTV 등) -전화 수신 (현관, 로비 등) 알림 : -집에 설치된 제품은 모바일 서비스를 지원해야합니다. 자세한 내용은 고객 센터 나 판매점에 문의하십시오. -제품에 가입하려면 계정에 로그인해야합니다. -이 앱의 일부 기능은 집에 설치된 장치에 따라 제한 될 수 있습니다.

About

Keyin Plus

Manage your smart door lock remotely. Receive real-time alerts for all lock activities, including locking, unlocking, and alarms. Automatically unlock your door when you approach and issue temporary keys to guests.

Highlights
  • Push notifications for lock events
  • Automatic door unlocking via Bluetooth
  • One-touch key issuance for family and guests
  • Detailed event history management
  • Door lock device settings
  • Manage multiple security devices
Features
Read full description

"▣ Introduction of application functions ■ Keyin smart alarm service -This is a function that allows users to check all events that occurred in the door lock through push alarm. - Locking / Unlocking, intrusion alarm, fire alarm, door lock setting notification, etc. ■ Keyin Smart Auto Open - Automatic release of the lock when approaching the door lock through location-based (Geofence technology) with Bluetooth technology - Smart Open: If you approach the door lock while holding the smartphone linked to the door lock, The door lock unlocks automatically. - Smart Touch: Touch the touchpad of the door lock while holding the smartphone linked to the door lock. Just tap to unlock. ■ Keyin one-touch key issuance - you can issue 2 types of keys (family, guest) tailored to the user type This is a shareable feature. - Manage key details (authorization, date, day of the week, time, etc.) - A function to receive notifications of all events that occur in the door lock through the app ■ History management function - This is a function that allows you to check all events that occurred in the door lock. - Notification of entry/exit, intrusion/damage alarm, fire alarm, door lock setting, etc. ■ Device setting function - You can manage various door lock settings such as managing issued keys and changing passwords. ■ Managing multiple devices - you can link and manage various additional security devices in the application ▣ KEYIN Official Channel ■ website: www.keyin.life ■ Youtube: https://bit.ly/2Xd5nmM ■ Instagram: https://www.instagram.com/keyin_official/ ■ Contact (a developer): kim@raonark.com"

Screenshots

COMMAX IoT4 screens
Keyin Plus4 screens

Verdict

The call

The clearest difference is review sentiment: Keyin Plus at 100% against COMMAX IoT's 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

COMMAX IoT ships an update monthly, Keyin Plus every 6 weeks. The most recent releases landed on September 30, 2026 and October 6, 2026 respectively.

Scorecard1 real difference · 9 level
COMMAX IoT versus Keyin Plus: the parameters behind the verdict, then further details
ParameterCOMMAX IoTKeyin Plus
PriceFreeFree
Rating3.0 (1 ratings) — better—
Positive reviews0.0% of reviews100.0% of reviews — better
Number of ratings1 — better—
Update frequencyMonthly — betterEvery 6 weeks
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPodiPhone, iPod
Requires iOS13.013.0
Further details — not scored
Size184 MB35 MB
Age rating4+4+
DeveloperCOMMAXRAONARK Ltd.

Customer experience

COMMAX IoT

All ratings1 ratings
Positive0.0%
Neutral100.0%
Negative0.0%
Written reviews2 reviews
Positive0.0%
Neutral50.0%
Negative50.0%

Keyin Plus

Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

COMMAX IoT

No in-app purchases

None

Keyin Plus

No in-app purchases

Questions

Is COMMAX IoT free?
COMMAX IoT is free to download, with no in-app purchases.
Is Keyin Plus free?
Keyin Plus is free to download, with no in-app purchases.
Do COMMAX IoT or Keyin Plus have ads?
Neither COMMAX IoT nor Keyin Plus shows ads.
Which is updated more often, COMMAX IoT or Keyin Plus?
COMMAX IoT ships an update monthly, and Keyin Plus every 6 weeks. Most recently, COMMAX IoT was updated on September 30, 2026 and Keyin Plus on October 6, 2026.

Other comparisons