CheckBlue vs Conn.Logger
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
CheckBlue
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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.
Conn.Logger
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Conn.Logger is the control application for the connection, configuration, data access, and maintenance of the ConnectedLogger device from MRS Electronic. What is ConnectedLogger device? ConnectedLogger is an ECE and RED certified smart data logging device. It captures and stores data from multiple buses of your machine, including CAN and LIN. This data can be stored in the internal flash memory of the ConnectedLogger device and/or sent to our cloud server. Main features of ConnectedLogger device * Data transfer - BLE to transfer data from vehicles to the Conn.Logger application and LTE or Wi-Fi from application to the backend server. * Security - Secure data connection from ConnectedLogger to cloud via tokenization and usage of HTTPS and MQTTs protocols. * Protection - IP6K8 protection class for water and dust resistance. * Easy installation - Compact size and light weight for convenient installation. Why would you want to install the Conn.Logger application? * Interactive UI - Provides an interactive UI to control your ConnectedLogger device. * Offline data capturing - Captures your data even when the internet isn't accessible. * Data transmission - Transmits your data from ConnectedLogger device to the cloud server. * Configuration - Assists you in configuring the settings of your ConnectedLogger device. * Data access - Accesses data stored on the ConnectedLogger device. * Live data - Displays your vehicle's live data such as its CAN/Analog, Events, and GPS information.
Screenshots
Verdict
The clearest difference is update cadence: CheckBlue at every 2 weeks against Conn.Logger'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.
CheckBlue ships an update every 2 weeks, Conn.Logger every 4 months. The most recent releases landed on September 10, 2026 and September 8, 2026 respectively.
| Parameter | CheckBlue | Conn.Logger |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 weeks — better | Every 4 months |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 8.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 21 MB | 9 MB |
| Age rating | 4+ | 4+ |
| Developer | Shenzhen Meeblue Electronics Technology Co., Ltd. | MRS Electronic Gmbh & Co. KG |
In-app purchases
CheckBlue
No in-app purchases
Conn.Logger
No in-app purchases








