HSA vs ToolsDeck

After connecting App to Car Amplifier with Integrated DSP,  EQ, BASS, TIME ALIGNMENT, PHASE, MUTE, FILTER , SAVE SOUND SETTING TO PHONE, SAVE SOUND SETTING TO AMPLIFIER, LOAD SOUND SETTING FROM PHONE, RCA OUTPUT etc could be controlled through this App. How to use: 1.Install App and turn on power of car 2. Turn on Bluetooth on your iPhone 3,Open App and wait for around 5 seconds, then click “Connect” icon in left corner of bottom. Amplifier will be connected to App automatically. 4.DIY you preferred sound and then click “Save to AMP” icon to save. Or click “ Save to Phone” to save.   Note： 1.Do not exit app during saving and do not turn off power supply, program may be shut down caused by this.

ToolsDeck: Your All-in-One Smart Toolbox Why download a separate app for every utility when ToolsDeck puts them all right in your pocket? Unit conversions to PDF editing, QR scanning to habit tracking, countdowns to a screen light. Zero ads, no account to create, and everything you type stays on your phone. Powerful Tools Built In: Unit Converter: 10+ categories (length, weight, temperature, volume, area, speed, time, data storage, energy, pressure) with real-time results. QR Code & Barcode Scanner: Scan QR codes and barcodes in seconds, or generate a code from any text you enter. Results are copied automatically for quick sharing. Pomodoro Focus Timer: Custom focus and break lengths, tasks with colored tags, session statistics, an end-of-session reminder, and a note on why each focus got interrupted. Password Generator: Ultra-secure random passwords with customizable length and character types (uppercase, lowercase, numbers, symbols), and ambiguous characters excluded. Health Calculator: BMI with its category range, BMR, daily calorie target, calories burned, and waist-to-hip ratio, with records kept on your device. PDF Tools Suite: Merge, split, compress, rotate, password-protect and add watermarks, with page preview and a history of the work you've done. File Converter: Convert between PDF, TXT, HTML and Markdown, one file at a time up to 100 MB, with a saved-files list you can reopen or share. Random Number Generator: Draw a fair number between any minimum and maximum you set, with a saved history you can show anyone. Spirit Level: A live bubble level driven by the device's motion sensor, so you can see at a glance whether a shelf, a frame or a surface is actually straight. Color Picker: Dial a color in with RGB or HSV sliders, or paste a HEX value, then read it across HEX, RGB, HSL, CMYK and HSV, with a history of every color you used. Tip Calculator: Enter the bill and the number of people, pick a preset tip percentage or type your own, and see the total and the per-person amount right away. Notepad & Notes: Titled notes as long as you like, your own tags, then filter by tag or sort by date. Stored locally, no login required. Habit Tracker: Daily, weekly or monthly cycles, streak counter, progress charts, reminders and achievement badges. Timezone Converter: Compare times across world cities and time zones. Water Reminder: Custom daily goals, intake logging, hydration statistics and reminders. Countdown Timer: Count down to birthdays, holidays, meetings and deadlines. Keep as many events as you need, each with its own color and icon. Screen Light: Turn the whole display into a light source when a real torch won't reach — choose from 10 colors, tap to switch it on and off. Customizable Layout: Reorder tools any way you like, pin the ones you reach for most to the top, and hide the ones you never use. Why Choose ToolsDeck? Private by design: No account, no sign-in, and none of your data is uploaded. Your notes, records and habits live on your device. Beautiful & Intuitive: Clean modern interface, smooth animations, multiple themes including dark mode. 9 Languages Supported: English, Spanish, French, German, Japanese, Korean, Russian, Simplified & Traditional Chinese. Fast & lightweight: Opens instantly, animates smoothly, and stays out of your battery's way. Regular Updates: New tools and improvements added based on user feedback. Download ToolsDeck today and turn your phone into a Swiss Army knife of productivity!