Comparison

XT UART vs CheckBlue

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

Head to head
About

XT UART

Features
Read 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;

About

CheckBlue

Features
Read 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

XT UART4 screens
CheckBlue4 screens

Verdict

The call

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

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

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.

Scorecard2 real differences · 4 level
XT UART versus CheckBlue: the parameters behind the verdict, then further details
ParameterXT UARTCheckBlue
PriceFreeFree
Update frequencyEvery 4 monthsEvery 2 weeks — better
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS13.08.0 — better
Further details — not scored
Size6 MB21 MB
Age rating4+4+
DeveloperShenzhen Lanke Xuntong Technology Co., Ltd.Shenzhen Meeblue Electronics Technology Co., Ltd.

In-app purchases

None

XT UART

No in-app purchases

None

CheckBlue

No in-app purchases

Questions

Is XT UART free?
XT UART is free to download, with no in-app purchases.
Is CheckBlue free?
CheckBlue is free to download, with no in-app purchases.
Do XT UART or CheckBlue have ads?
Neither XT UART nor CheckBlue shows ads.
Which is updated more often, XT UART or CheckBlue?
XT UART ships an update every 4 months, and CheckBlue every 2 weeks. Most recently, XT UART was updated on October 16, 2026 and CheckBlue on October 14, 2026.

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