Comparison

BlueTools Bluetooth Assistant vs Kelvarune

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

Head to head
About

BlueTools Bluetooth Assistant

This tool allows developers to scan, connect to, and debug Bluetooth Low Energy devices. It offers a serial terminal for sending and receiving data in various formats and helps locate devices by displaying signal strength.

Highlights
  • BLE device discovery
  • GATT service and characteristic browsing
  • RSSI signal strength display
  • Hex, Binary, String, Number data formats
  • Serial terminal for data send/receive
  • Device direction inference
Features
Read full description

BlueTools Bluetooth Assistant is a powerful BLE scanner and debugger for developers and tech enthusiasts. Connect to any Bluetooth Low Energy device, browse GATT services and characteristics, read RSSI signal strength, and send or receive data in Hex, Binary, String, and Number formats via a serial terminal. Scan, test, and locate nearby BLE devices with ease. Main Features: 1. Device Discovery: Quickly scan and identify nearby BLE Bluetooth devices. 2. Read Information: Get key information about connected devices, including device name, signal strength (RSSI), services and characteristics. 3. Data Display: Supports multiple data formats (Hex, Binary, String, Numbers, etc.). 4. Send & Listen: Send various formats of data to Bluetooth devices, or listen for data changes. 5. Find Bluetooth Devices: Display signal strength and device direction in a chart to help you infer the direction of the target device. Why Choose BlueTools Bluetooth Assistant? - User-friendly Interface: An intuitive and simple interface makes operation more convenient. - Powerful Sending Features: Supports multiple data formats, flexible switching between types and services, with favorite and history features. - Chat Mode: Quickly view received and sent data, quickly select read and send content. - Continuous Updates: We continuously update the app, adding new features and improving existing ones to ensure you get the best user experience. Download BlueTools Bluetooth Assistant now and make your Bluetooth device development and debugging more efficient! Subscription Features: The app offers a subscription membership service. After subscribing, you can enjoy features like ad removal. Upon purchase confirmation, payment will be charged to your iTunes account. Unless you turn off auto-renew at least 24 hours before the end of the current subscription period, the subscription will automatically renew. Your account will be charged for renewal within 24 hours prior to the end of the current period at the rate of the selected plan. After purchase, you can manage your subscription and turn off auto-renewal in your account settings. Privacy Policy: https://bluetools.savequan.com/2022/01/13/BlueTools-Privacy-Policy Terms of Service: https://bluetools.savequan.com/2023/10/21/BlueTools-Terms-Of-Service

About

Kelvarune

Features
Read full description

Kelvarune is a developer tool that lets you monitor, debug, and control ESP32 / Arduino and other embedded devices from your smartphone in real time. Add just a few lines of the Kelvarune SDK to your sketch, and your Dashboard builds itself automatically. No complex setup - connect over BLE or Wi-Fi/WebSocket and you're ready to go. ■ Monitor - System Metrics such as CPU, free heap, and connection status, shown automatically - Add User Metrics like temperature, humidity, RPM, or voltage with a few lines of code - Clear display styles: Number, Gauge, Bar, LED, and line graphs ■ Debug - Filter, search, and copy DEBUG / INFO / WARN / ERROR logs in Console - Track connection changes, reboots, and other key state changes in a timeline with Events - View current value, min, max, average, and a history graph in Metric detail ■ Control - Command UI is generated automatically from your SDK-side definitions (Button, numeric, Boolean, Enum, and more) - Commands that trigger real actions (like Reset) require confirmation to prevent accidents ■ And more - Manage settings for multiple devices as separate Projects - Alerts notify you when a threshold is crossed or updates stop (Pro) - Save Session history and export it as CSV (Pro) - No hardware? Try the core features right away in Demo Mode ■ Free / Pro All the core features are available for free. Upgrading to Pro removes the limits on Projects, Commands, User Metrics, and graph displays, and unlocks Alerts, permanent Session storage, CSV export, and advanced System Metrics (one-time purchase, restore purchase supported, no ads). Languages: Japanese / English / Simplified Chinese (follows your device language) Requires: iOS 17+ The Kelvarune SDK (free and open source, for ESP32/Arduino Core) is available at: https://github.com/minervasoft-inc/Kelvarune

Screenshots

BlueTools Bluetooth Assistant4 screens
Kelvarune4 screens

Verdict

The call

The clearest difference is iOS requirement: BlueTools Bluetooth Assistant at 15 against Kelvarune's 17.6. 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. BlueTools Bluetooth Assistant sells 2 in-app purchases, starting at $0.99 per month and Kelvarune sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Scorecard1 real difference · 9 level
BlueTools Bluetooth Assistant versus Kelvarune: the parameters behind the verdict, then further details
ParameterBlueTools Bluetooth AssistantKelvarune
PriceFreeFree
Rating3.5 (4 ratings) — better—
Positive reviews64.4% of reviews—
Number of ratings4 — better—
Update frequencyEvery 5 weeks—
AdsYesYes
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15 — better17.6
Further details — not scored
Size32 MB9 MB
Age rating4+4+
Developer仕华 罗MINERVA, INC.

In-app purchases

2 purchases

BlueTools Bluetooth Assistant

Subscriptions2
  • Remove ads monthly7 Days trial$0.991 Month
  • Remove ads yearly$9.991 Year
1 purchases

Kelvarune

One-time1
  • Kelvarune Pro$4.99

Questions

Is BlueTools Bluetooth Assistant free?
BlueTools Bluetooth Assistant is free to download, with in-app purchases available.
Is Kelvarune free?
Kelvarune is free to download, with in-app purchases available.
Do BlueTools Bluetooth Assistant or Kelvarune have ads?
Both BlueTools Bluetooth Assistant and Kelvarune show ads.

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