XT UART vs CheckBlue
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
XT UART
Read full descriptionHide full description
The support module functions as a parameter configuration of the slave, data transmission, speed measurement, and the like; Support module as data transmission and speed measurement function from the host; Support encryption and decryption of transparent data; Support device signal filtering and name filtering;
CheckBlue
Read full descriptionHide full description
CheckBlue can find all BLE devices that use Bluetooth 4.0+ Low Energy(also known as Bluetooth Smart) Full Support of read, write, and notify is included. Developers can use CheckBlue to write, read or notify the especial characteristics This is a simple, efficient and universal BLE tool. We will try our best to help you save time and money. Key Features: -Scan the BLE devices -Scan iBeacons -Support Eddystone-UID & Eddystone-URI -Calculated Broadcast Interval Supported -Read and Configure the Beacon -Browse Services and Characteristics -Read Characteristics -Write Characteristics in Hex, Text or Decimal - Scanning Beacons from multiple manufacturers. Like Estimote, Meeblue ect. - Support real-time data of temperature and humidity. - Support to obtain and export historical data. - Support UWB device We will update the app from time to time. In order to experience the latest features faster, it is suggested to open the app's automatic update in the settings.
Screenshots
Verdict
The clearest difference is update cadence: CheckBlue at every 2 weeks against XT UART's every 4 months. CheckBlue also leads on iOS requirement (8.0 vs 13.0). On price, ads, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
XT UART ships an update every 4 months, CheckBlue every 2 weeks. The most recent releases landed on October 16, 2026 and October 14, 2026 respectively.
| Parameter | XT UART | CheckBlue |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 4 months | Every 2 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 13.0 | 8.0 — better |
| Further details — not scored | ||
| Size | 6 MB | 21 MB |
| Age rating | 4+ | 4+ |
| Developer | Shenzhen Lanke Xuntong Technology Co., Ltd. | Shenzhen Meeblue Electronics Technology Co., Ltd. |
In-app purchases
XT UART
No in-app purchases
CheckBlue
No in-app purchases








