Solebe vs Key
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Solebe
Control a variety of smart locks, including rope, chain, bicycle, disc brake, drawer, and cabinet locks. Manage access, change passwords, customize settings like vibration alarms and notifications, and review usage history.
- Remote lock and unlock
- Password management
- Name customization
- Vibration alarm settings
- Notification controls
- Usage record review
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Applications are used to control smart lock, smart rope lock, smart chain lock, smart bicycle lock, smart disc brake lock, smart drawer locks, and smart cabinet locks. Application functions include: control for lock,Unlock or automatic unlock; Change the password, change the name, set the vibration alarm function on or off, set the notification function on or off, check the use record, and check the instructions of each function.
Key
This utility app allows users to remotely control and connect to devices, facilitating data transmission and collection. It enables over-the-air upgrades and social sharing, while also displaying meter speeds and reading device information directly from a mobile phone.
- Remote control and connection
- Data transmission and collection
- Over-the-air (OTA) upgrades
- Social sharing capabilities
- Meter speed display
- Device information reading
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1. Remote control and connection 2. Data transmission, collection, OTA upgrade, social sharing 3. The mobile phone APP realizes the display of the meter speed 4. Read device information
Screenshots
Verdict
The clearest difference is rating: Key at 4.0 against Solebe's 2.6. Solebe's advantage is update cadence (every 3 weeks vs every 6 months) and review sentiment (24% vs 0%). 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.
Key holds the better App Store score, 4.0 against 2.6. Both are backed by a comparable volume of ratings — 22 and 5 respectively. Written reviews complicate that: 24% of Solebe's written reviews are positive against 0% of Key's, so the app with the better star average is not the one people write more warmly about.
Solebe ships an update every 3 weeks, Key every 6 months. The most recent releases landed on July 4, 2026 and June 5, 2026 respectively.
| Parameter | Solebe | Key |
|---|---|---|
| Price | Free | Free |
| Rating | 2.6 (22 ratings) | 4.0 (5 ratings) — better |
| Positive reviews | 24.1% of reviews — better | 0.0% of reviews |
| Number of ratings | 22 — better | 5 |
| Update frequency | Every 3 weeks — better | Every 6 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 9.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 11 MB | 266 MB |
| Age rating | 4+ | 4+ |
| Developer | 键 张 | Tianjin Key-Disp Technology Co.,Ltd |
Customer experience
Solebe
Key
In-app purchases
Solebe
No in-app purchases
Key
No in-app purchases









