Comparison

BLE ToolBox vs Conn.Logger

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

Head to head
About

BLE ToolBox

This utility app facilitates the development of Bluetooth 4.0 Low Energy accessories. It offers a user-friendly interface for discovering, connecting to, and managing LE devices, supporting various standard and special BLE services for data transfer and remote control.

Highlights
  • Discover and connect to BT4.0 LE devices
  • Support for standard LE services (HRP, HTP, BLP, GLP, FMP, CSCP)
  • Special BLE services (SPS, Remote, OTA)
  • User-friendly interface for device management
  • Over-the-air firmware updates
Features
Read full description

BLE ToolBox is the right tool for developing BT4.0 LE accessories. BLE ToolBox supports various standard LE Services/Profiles and special service for data transfer and remote control. BLE ToolBox provide an user friendly interface to  searching the BT4.0 LE devices with dedicated BT4.0 LE service, connect/disconnect to the device, get the connected device information and service data. Standard BLE services supported : - HRP, Heart Rate Profile. - HTP, Health Thermometer Profile. - BLP, Blood Pressure Profile. - GLP, Glucose Profile. - FMP, Find Me profile. - CSCP, Cycling Speed & Cadence Profile. Special BLE services supported : - SPS, Serial Port Service, setup serial port connection between iOS and BT4.0 LE accessories. - Remote, Remote Control Service. - OTA, Over the Air Technology, update is the wireless delivery of new software, firmware or other data to mobile devices. Note : BLE ToolBox can only work on iOS devices support BT4.0 LE, like iPhone4S or new iPad.

About

Conn.Logger

Features
Read full description

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

BLE ToolBox4 screens
Conn.Logger4 screens

Verdict

The call

The clearest difference is update cadence: Conn.Logger at every 4 months against BLE ToolBox's every 19 months. Conn.Logger also leads on iOS requirement (13.0 vs 15.0). 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

BLE ToolBox ships an update every 19 months, Conn.Logger every 4 months. The most recent releases landed on July 4, 2026 and September 8, 2026 respectively.

Scorecard2 real differences · 8 level
BLE ToolBox versus Conn.Logger: the parameters behind the verdict, then further details
ParameterBLE ToolBoxConn.Logger
PriceFreeFree
Rating3.7 (3 ratings) — better
Positive reviews100.0% of reviews
Number of ratings3 — better
Update frequencyEvery 19 monthsEvery 4 months — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree
DevicesiPhone, iPodiPhone, iPod
Requires iOS15.013.0 — better
Further details — not scored
Size3 MB9 MB
Age rating4+4+
DeveloperEnzytek Technology, Inc.MRS Electronic Gmbh & Co. KG

In-app purchases

None

BLE ToolBox

No in-app purchases

None

Conn.Logger

No in-app purchases

Questions

Is BLE ToolBox free?
BLE ToolBox is free to download, with no in-app purchases.
Is Conn.Logger free?
Conn.Logger is free to download, with no in-app purchases.
Do BLE ToolBox or Conn.Logger have ads?
Neither BLE ToolBox nor Conn.Logger shows ads.
Which is updated more often, BLE ToolBox or Conn.Logger?
BLE ToolBox ships an update every 19 months, and Conn.Logger every 4 months. Most recently, BLE ToolBox was updated on July 4, 2026 and Conn.Logger on September 8, 2026.

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