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



222+ iOS apps curated and reviewed
From beginner-friendly picks to power-user tools, our audio design list covers 222+ iPhone apps updated through July 2026. Compare ratings, prices, and screenshots in one place.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 | Free | — | No | No | May 2026 | |
| 2 | $4.99 | 4.8★ (1.8K) | No | No | Aug 2026 | |
| 3 | Free | — | No | No | May 2026 | |
| 4 | Free was $1.99 | 4.2★ (79) | No | Yes | Aug 2026 | |
| 5 | $4.99 | 3.7★ (7) | No | No | May 2026 | |
| 6 | Free | 4.8★ (33K) | Yes | Yes | Aug 2026 | |
| 7 | Free | 3.5★ (8) | No | No | May 2026 | |
| 8 | $19.99 | 4.8★ (5.1K) | No | Yes | Aug 2026 |



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.


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.


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.




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.


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 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.


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.


Control your Cary Audio DAC-200ts or SI-300.2d with an intuitive interface. This app mirrors the physical unit's faceplate, offering two-way functionality to display information directly from your device.


Instantly improve the audio quality of your videos. This tool removes background noise, hiss, and hum, while boosting clarity and volume. Achieve professional-sounding audio without complex editing.


Stream audio wirelessly from various sources to your compatible soundbar and speakers. Enjoy synchronized music and extend your TV audio experience throughout your home. Manage playback and view content details with ease.


Create unique music presets using AI by describing their sound in natural language. Integrate these AI-generated sounds into your favorite iOS music applications that support AudioUnits.


This app offers precise audio editing tools for music enthusiasts, podcasters, and video creators. Easily trim audio down to the millisecond, extract audio from videos, and export your creations in the highest quality.




This app allows musicians to slow down music, change pitch, and isolate instruments for easier transcription and practice. It features AI-powered stem separation, interactive waveforms, and customizable looping for focused learning.