Kalay+ vs BT control
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Kalay+
Monitor your smart home devices with live video feeds, voice intercom, and local recording. Review past footage, share access with others, and receive timely alerts for important events. Start your smart life with comprehensive home security and monitoring.
- Live video monitoring
- Voice intercom
- Local video recording
- Cloud and SD card storage
- Device sharing
- Mobile alerts
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Kalay's new style version is online~ Start your smart life now. - [Live View] View the real-time image of the smart home devices to learn about the latest trends. Support voice intercom, screenshot and local video preservation. - [Video Playback] Support recording images and uploading to the cloud and SD card, you can review your video records at any time. - [Device Sharing] You can share the devices under your account to multiple users for viewing at any time, one more share and one more guardian. - [Notification] Timely mobile alert notification, allowing you to avoid missing important information. [Reminder] If you have any questions and suggestions, you can enter "My"-"About"-"Help & Feedback" in the APP to provide detailed information. [Question Feedback] - WeChat public account: ThroughTek - Enterprise website: https://www.throughtek.cn/ - Feedback email: kalaysz_support@tutk.com - Privacy Policy: https://www.throughtek.com/app_privacy.html - User Agreement: https://www.throughtek.com/app_agreement.html
BT control
This application allows users to remotely control their smart car locks. It provides a convenient way to secure and access your vehicle using your mobile device.
- Smart car lock control
- Remote vehicle access
- Vehicle security
- Mobile device integration
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BT control is a smart car lock app。
Screenshots
Verdict
The clearest difference is review sentiment: BT control at 56% against Kalay+'s 3%. BT control also leads on in-app purchases (none vs 10) and ads (none vs shown). Kalay+'s advantage is rating (1.9 vs 1.0) and ratings volume (21 vs 2). On price, update cadence 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. Kalay+ sells 10 one-off in-app purchases. BT control asks for nothing beyond the download.
Kalay+ holds the better App Store score, 1.9 against 1.0. That said, the two scores are not equally well evidenced: Kalay+ has 21 ratings behind it against 2, so its average is the more settled of the two. Written reviews complicate that: 3% of Kalay+'s written reviews are positive against 56% of BT control's, so the app with the better star average is not the one people write more warmly about.
Kalay+ ships an update monthly, BT control every 3 weeks. The most recent releases landed on October 15, 2026 and October 9, 2026 respectively.
| Parameter | Kalay+ | BT control |
|---|---|---|
| Price | Free | Free |
| Rating | 1.9 (21 ratings) — better | 1.0 (2 ratings) |
| Positive reviews | 3.1% of reviews | 55.6% of reviews — better |
| Number of ratings | 21 — better | 2 |
| Update frequency | Monthly | Every 3 weeks — better |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 | 8.0 — better |
| Further details — not scored | ||
| Size | 88 MB | 6 MB |
| Age rating | 4+ | 4+ |
| Developer | ThroughTek Technology (Shenzhen) Co., Ltd. | 凤军 程 |
Customer experience
Kalay+
BT control
In-app purchases
Kalay+
- 7 days Cloud Playback /Month$1.99
- 7天循环录像单月套餐$1.99
- 30 days Cloud Recording /Month$3.99
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- 30 days Cloud Playback /Month$4.99
- 30天循环录像单月套餐$4.99
- 7天循环录像半年套餐$8.99
- 7 days Cloud Playback /Year$17.99
- 30天循环录像半年套餐$21.99
- 30 days Cloud Recording /Year$44.99
- 30 days Cloud Playback /Year$47.99
BT control
No in-app purchases
