Control DSP tuning devices remotely via Bluetooth. Adjust EQ settings and access powerful remote control functions for audio customization.
ESX Toolkit by Audio Design Lautsprecher Vertriebs GmbH



226+ iOS apps curated and reviewed
From beginner-friendly picks to power-user tools, our audio design list covers 226+ iPhone apps updated through June 2026. Compare ratings, prices, and screenshots in one place.



Control DSP tuning devices remotely via Bluetooth. Adjust EQ settings and access powerful remote control functions for audio customization.









Access over 45,000 classic audiobooks in more than 30 languages, all without ads. Enjoy unlimited streaming or download for offline listening. Pay once for lifetime access to a vast library of timeless stories.


This comprehensive toolkit assists car audio enthusiasts and professionals in designing enclosures, wiring speakers, and finding local shops. It offers various calculators, databases, and learning resources to enhance audio system setup and tuning.




Stream audio between iOS devices wirelessly with low latency. Connect audio unit hosts on a single device or across multiple devices via WiFi, eliminating the need for cables. Optimize audio quality and minimize latency with adjustable buffering.


This app provides desktop-grade audio editing tools on your mobile device. It features a multi-track editor with numerous effects, an AI vocal separator, and a robust audio recorder. It's designed for music and podcast creators needing a convenient, on-the-go solution.


Access a vast library of over 45,000 free audiobooks, including classics and bestsellers in over 30 languages. Stream or download titles for offline listening, and organize your favorites into collections.


Record audio from your microphone and play it back forwards or in reverse. Adjust playback speed and pitch for creative sound manipulation. Import audio files from other apps and save your creations for later access.


Stream audio between iOS devices with this app and its companion. It supports Inter-App Audio for integrating synthesizers and sequencers, enabling complex audio processing chains. Designed for musicians, it aims to create a flexible, integrated music studio experience.


This professional audio analysis app offers a comprehensive suite of tools for acoustic measurements, including SPL, RTA, and FFT. It calibrates device microphones for accurate results and allows for the addition of powerful optional modules for advanced analysis.


Explore interactive sales content to inspire unique audio system designs and applications. This tool helps visualize how hidden audio solutions can enhance everyday experiences with music.


Learn on the go with audio flashcards that fit your active lifestyle. Create custom cards for languages or subjects, and control your study sessions with voice commands. Turn any activity into a productive learning opportunity.


This application provides intuitive control over Cary Audio DMS and AiOS products. Its interface mirrors the physical unit's faceplate, offering two-way functionality to display the same information as the device.


Edit and record music, voice, and other audio with a professional suite of tools. Features include cut, copy, paste, and a variety of audio effects like echo and noise reduction. Supports numerous file formats and cloud storage integration.




This app is a professional audio editor and song creator for multiple devices. It offers AI-powered music generation, vocal/instrument separation, video audio editing, and extensive audio effects. Create, mix, and master your sound with advanced multitrack editing and format conversion tools.


This multitrack audio editor allows you to record or import audio, then perform detailed edits like cutting, copying, and pasting. It offers a suite of filters and special effects, with advanced features available through in-app purchases. Mix multiple tracks and export your creations in various formats.


Capture, edit, and schedule audio with this comprehensive recording studio. Features include unlimited recording length, precise trimming, silence detection, and cloud storage options. Schedule reminders for recordings and playback to stay organized.


Easily edit audio files on your device, from cutting and pasting to adding professional effects. Record new audio, enhance voice notes, and mix music like a pro. Share your creations or save them for later use.