QYSound vs bacbus

QYSound is a management and control application designed specifically for smart Bluetooth devices, supporting Bluetooth earphones. With a stable, low-power Bluetooth (BLE) connection, you can easily complete pairing, personalize settings, perform firmware upgrades, and monitor device status to keep your device in optimal condition. Key Features: Quick Pairing and Auto Reconnection Scan and connect to compatible Bluetooth devices with stable and reliable performance. The app automatically remembers your last used device for seamless reconnection. Real-Time Device Status View the battery levels and connection status of the left and right earbuds in real time. Personalized Settings Customize touch gestures, volume, EQ sound effects, or intelligent voice modes according to your preferences. Online Firmware Upgrade Upgrade your device via OTA with one tap to continuously enhance performance and user experience. Find My Device Locate your device using sound alerts or positioning features to quickly recover lost devices. 【QYSound Membership Monthly Subscription Details】 1. Service Name: VIP Monthly Subscription Membership 2. Subscription Period: One month 3. Subscription Price: 18 yuan per month 4. Payment: After the user confirms the purchase and makes the payment, it will be recorded in the iTunes account 5. Cancellation of Renewal: If you need to cancel the renewal, please manually turn off the automatic renewal function in the iTunes/AppleID settings management 24 hours before the current subscription expires 6. Renewal: Apple iTunes account will deduct the fee 24 hours before the expiration, and if the deduction is successful, the subscription period will be extended by one month 7. Privacy Policy: https://www.qysound.com/legal/privacy-policy-zh.html 8. User Service Agreement: https://www.qysound.com/legal/user-agreement-zh.html 9. VIP Membership Service Agreement: https://qysound.com/legal/membership-agreement-zh.html

BacBus puts a BACnet/IP and Modbus/TCP toolkit in your pocket. Whether you're commissioning a new install, troubleshooting a rooftop unit, or verifying a controller in the field, BacBus connects you to your building network in seconds — no laptop, no proprietary gateway, no clunky software. DISCOVER Scan your network and find BACnet/IP devices instantly. BacBus reads the objects other tools miss — where some scanners come back empty, BacBus pulls the full object list so you can see exactly what's on the wire. READ Poll live values from any point. Watch present-value, status flags, units, and object names update in real time. Read is always free. CONTROL (Pro) Write to points and command overrides right from your phone. Test a damper, force a setpoint, or verify a sequence on site — no truck roll back to the laptop. MODBUS/TCP Connect to any Modbus/TCP device, scan registers, and read or write coils and holding registers. Works with sparse and non-standard register maps. BUILT FOR THE FIELD • Fast, native interface that works on cellular or site Wi-Fi • No account required to start scanning and reading • Handles real-world devices from major manufacturers • Designed by a controls integrator, for controls integrators FREE TO START Scan and read as much as you want, free. Unlock point control (writes and overrides) with a single one-time purchase — no subscription. Download BacBus and turn your phone into the only field tool you'll reach for.