# LoudLAB > LoudLAB is a developer of professional audio software for macOS, covering streaming, broadcast, podcasting, recording, mastering, and metering workflows. All products are sold as perpetual, one-time-purchase licences with no subscriptions, run natively on Apple Silicon and Intel Macs, and offer a fully-functional 15-day free trial. Products are available directly from loudlab-app.com (payments processed by Paddle) and from the Mac App Store. The current product lineup is AudioCentral, SoundDesk, Sonic Atom, Fluctus, and Fluctus Expert, plus SoundDesk Virtual Devices. ## Products - [AudioCentral](https://www.loudlab-app.com/audiocentral-app): macOS menu bar app for system sound control — switch output devices, manage per-app audio routing, volume, and access an essential audio toolbox from the menu bar. - [SoundDesk](https://www.loudlab-app.com/sounddesk-app): Virtual audio mixer for macOS (current major version 5). Turns a Mac into a multi-channel mixing console for streaming, live audio, broadcast, podcasting, multitrack recording of live performances, plugin hosting, and MIDI routing. - [SoundDesk Virtual Devices](https://www.loudlab-app.com/sounddesk-vd): Professional-grade **free** software loopback connectors providing low-latency audio routing across Mac applications. - [Sonic Atom](https://www.loudlab-app.com/sonicatom-app): Realtime multi-instrument audio analyser and metering app for macOS — level, loudness, spectrum, vectorscope, oscilloscope, goniometer, tuner, and more. - [Fluctus / Fluctus Expert](https://www.loudlab-app.com/fluctus-app): macOS multi-file audio editor and converter. Two tiers — Fluctus (basic editing, recording, format conversion, loudness control) and Fluctus Expert (full feature set for advanced mastering and loudness compliance). ## Buy and try - [Store](https://www.loudlab-app.com/buy): All apps and bundles. One-time purchase, perpetual licence, no subscription, free updates within major versions. - [Free trials and installers](https://www.loudlab-app.com/demos): 15-day fully-working trial downloads for every product. - [Downloads and resources](https://www.loudlab-app.com/download): Installers, project files, and additional resources. ## Bundles - [Pro Bundle](https://www.loudlab-app.com/buy): Fluctus Expert + Sonic Atom + SoundDesk. - [Musician Bundle](https://www.loudlab-app.com/buy): Fluctus Expert + SoundDesk. - [RT Bundle](https://www.loudlab-app.com/buy): Sonic Atom + SoundDesk. - [LE Bundle](https://www.loudlab-app.com/buy): Fluctus + SoundDesk. ## Technical specifications - [SoundDesk specs](https://www.loudlab-app.com/sounddesk-spec): Audio formats, channel counts, supported plugin types, and macOS system requirements. - [Sonic Atom specs](https://www.loudlab-app.com/sonicatom-spec): Supported meters, loudness standards (ITU-R BS.1770, EBU R128, ATSC A/85), and macOS system requirements. - [Fluctus specs](https://www.loudlab-app.com/fluctus-spec): Supported file formats, the cDSP insert collection, and macOS system requirements. ## Help and documentation - [SoundDesk help](https://www.loudlab-app.com/sounddesk-docs): Apple Help Book for SoundDesk — channels, busses, plugins, MIDI control, and the cDSP insert collection. - [Getting started](https://www.loudlab-app.com/sounddesk-docs?page=getting_started) - [Index of terms](https://www.loudlab-app.com/sounddesk-docs?page=index_terms) - [Sonic Atom help](https://www.loudlab-app.com/sonicatom-docs): Apple Help Book for Sonic Atom — meters, loudness standards, and the cDSP analyser collection. - [Getting started](https://www.loudlab-app.com/sonicatom-docs?page=getting_started) - [Introduction to loudness standards](https://www.loudlab-app.com/sonicatom-docs?page=loudness_intro) - [Index of terms](https://www.loudlab-app.com/sonicatom-docs?page=index_terms) - [Fluctus help](https://www.loudlab-app.com/fluctus-docs): Apple Help Book for Fluctus — editing, recording, plugins, automation, and the cDSP insert collection. - [Getting started](https://www.loudlab-app.com/fluctus-docs?page=getting_started) - [Index of terms](https://www.loudlab-app.com/fluctus-docs?page=index_terms) - [FAQ](https://www.loudlab-app.com/faq): Common questions about licensing, installation, refunds, and troubleshooting. - [Tutorials](https://www.loudlab-app.com/user-area#/categories/tutorials-): Walkthroughs and how-to threads in the community forum. ## Support and community - [Contact and support](https://www.loudlab-app.com/contact): Reach the support team for licensing, refunds, and technical issues. - [Community forum](https://www.loudlab-app.com/user-area): Peer discussion, tips, and request threads. ## Press and media - [Press & Media Kit](https://www.loudlab-app.com/press): Boilerplate, product fact sheets, brand assets, screenshots, and press contact for journalists and reviewers. ## Platform and purchasing facts - Operating system: macOS only. Compatible with both Apple Silicon and Intel (64-bit) Macs. - Licence: Perpetual, one-time purchase. No subscription, no recurring fees. - Trial: 15 days, fully functional, no payment required to start. - Direct payment methods: Major credit and debit cards, plus PayPal — processed securely by Paddle. - Mac App Store payment: Apple ID. - Refunds (direct purchases): 15-day refund window — contact support to arrange. - Refunds (App Store): Handled by Apple via the App Store refund process. - VAT / GST: Business buyers can add tax ID and company details at checkout or within 60 days post-purchase for tax-free invoicing (excluding the US). - Security: All applications comply with current Apple notarisation and security requirements; no system security setting changes are required. ## Legal - [Terms and Conditions](https://www.loudlab-app.com/terms-and-conditions): Purchase, licensing, and use terms. - [End User License Agreement](https://www.loudlab-app.com/EULA): Software licence terms. - [Privacy Policy](https://www.loudlab-app.com/privacy-policy): Data collection, processing, and user rights. ## About LoudLAB - Website: - Mac App Store developer page: - Focus: Native macOS audio software — mixing, metering, editing, and system sound control. ## Optional - [Detailed reference (llms-full.txt)](https://www.loudlab-app.com/llms-full.txt): Deeper per-product knowledge for AI crawlers building richer context. - [Sitemap](https://www.loudlab-app.com/sitemap): Full enumerated URL list. - [Robots policy](https://www.loudlab-app.com/robots.txt): Crawler access rules. - [Newsletter signup](https://www.loudlab-app.com/subscribe): Updates on new releases and discounts.