KEYCO Plus vs THE H Smart Key
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
KEYCO Plus
This app allows you to track the location of loved ones, pets, and belongings. It features an emergency call function and safe zone alerts for peace of mind. The device is waterproof, rechargeable, and easy to attach to various items.
- Real-time location tracking
- Emergency call function
- Safe zone alerts
- Waterproof and moisture-proof
- Rechargeable battery
- Ring-shaped fastening structure
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Major application scenarios 1. Prevention / Locating the Elderly - It serves as a guardian of important family through the identification of young children, the elderly, and the disabled. 2. Companion animal location tracking - Helps prevent the disappearance by checking the location of family animals. 3., Multi-function loss prevention - It can help prevent the loss of various belongings such as motorcycle, bicycle, bag, car key. main function 1. Location tracking - KEYCO Plus helps you identify the location and movement of your loved ones through APP. 2. Emergency Call Function - If you press the emergency call button for more than 5 seconds, the location information of KEYCO and the emergency call situation are transmitted to the connected device. 3. Safe zone function - When you leave or enter a local area, the registered person is automatically notified of entry / exit. * Up to 3 can be set Key Features 1. Simple and various favoring method - Ring-shaped fastening structure makes it easy to attach to bags, clothes, etc. in various ways. 2. Waterproof / moisture proof function - Basic waterproofing is possible. 3. Built-in rechargeable battery - It is USB charging type. It can be used for 2 days up to 1 week depending on the location confirmation period when charging for 1 hour.
THE H Smart Key
This app allows you to use your smartphone to enter the common entrance of multi-family housing. It also includes an emergency call function for urgent situations.
- Smartphone-based common entrance access
- Emergency call function
- Bluetooth connectivity required
- Location services required
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*이하 설명된 기능을 활용하기 위해서는 앱의 위치정보 및 블루투스 허용이 반드시 필요합니다!!! 이용 시 반드시 확인해주세요. "스마트폰"을 이용하여 다세대 주택의 공동현관 출입이 가능 해집니다. 비상 시 에는 비상 호출 기능을 사용 비상벨 기능을 사용 할 수 있습니다.
Screenshots
Verdict
The clearest difference is in-app purchases: THE H Smart Key at none against KEYCO Plus's 3. THE H Smart Key also leads on iOS requirement (13.0 vs 15.0). On price, update cadence, ads 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
Both are free to download. KEYCO Plus sells 3 one-off in-app purchases. THE H Smart Key asks for nothing beyond the download.
KEYCO Plus ships an update every 5 weeks, THE H Smart Key every 2 months. The most recent releases landed on October 29, 2026 and October 3, 2026 respectively.
| Parameter | KEYCO Plus | THE H Smart Key |
|---|---|---|
| Price | Free | Free |
| Rating | — | 1.0 (1 ratings) — better |
| Positive reviews | 11.8% of reviews | — |
| Number of ratings | — | 1 — better |
| Update frequency | Every 5 weeks — better | Every 2 months |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.0 | 13.0 — better |
| Further details — not scored | ||
| Size | 81 MB | 8 MB |
| Age rating | 4+ | 4+ |
| Developer | SoluM | (주)참슬테크 |
Customer experience
KEYCO Plus
THE H Smart Key
In-app purchases
KEYCO Plus
- KEYCO 1 Month Voucher$1.99
- KEYCO 6 Months Voucher$6.99
- KEYCO 1 Year Voucher$11.99
THE H Smart Key
No in-app purchases
