---
name: "Fidelia"
subtitle: "A bit-perfect Mac music player, rebuilt from scratch on a new engine for people who want to control the whole signal path"
date: 2026-07-07
category: music
tags: [music, audio, audiophile, playback, mac]
link: "https://apps.apple.com/us/app/fidelia/id416135376"
linkText: "apps.apple.com"
description: "Fidelia is a skeuomorphic, bit-perfect Mac audiophile player rebuilt from the ground up — three Audio Unit slots in the listening path, modeled headphone crossfeed, and a signal chain you actually control. Free with a $49.99 full-license purchase."
source: "TidBITS"
fromFind: fidelia-audiophile-player
---

import { Image } from 'astro:assets';
import hero from './hero.png';

<Image src={hero} alt="Fidelia — a skeuomorphic Mac music player with a large volume knob and sample-rate display, three loaded Audio Unit plugin slots, a library list, and the companion Fidelia Remote iPhone app." />

*Brushed-metal player, three loaded Audio Units in the listening path, and the free Fidelia Remote companion.*

> Fidelia is a bit-perfect Mac music player that hands the audiophile back the one thing streaming apps take away: an exact, inspectable signal path from file to output — with room to drop your own processing into the middle of it.

Most playback software treats the path from the file to your ears as a black box: it decodes, does whatever the OS mixer does, and plays. Fidelia treats that path as the product. It runs a bit-perfect, exclusive-mode output that hands the DAC the samples untouched, follows each track's native sample rate, and exposes the fiddly, high-end bits an enthusiast actually wants — a Reference sample-rate converter and a 9th-order psychoacoustic "Pro Dither" noise shaper — inline where you can see and toggle them.

The differentiator is that it isn't a purist dead end. Three Audio Unit slots sit *in* the listening path, so you can insert a graphic EQ, a mastering-grade limiter, or a bit of tape saturation between the file and the output — and, notably, Fidelia hosts those plugins out-of-process, a harder engineering feat inside the Mac App Store sandbox than a typical AU host attempts. Its "HeadSpace" feature adds frequency-dependent crossfeed modeled on real head acoustics, collapsing the hard left/right split of headphones into something closer to speakers in a room. The whole thing wears a proudly skeuomorphic face — brushed metal, a real volume knob — that's a deliberate throwback to 1970s stereo gear, and a free companion app, Fidelia Remote, drives it from an iPhone or iPad.

A note on lineage, since the original find got it slightly wrong: Fidelia first shipped in 2011 under Audiofile Engineering; Patrick Krekelberg acquired the company in 2017 and has since rebuilt the app from the ground up on a new C++ real-time engine with no legacy dependencies. That rewrite — Fidelia 2 — relaunched in April 2026, not this month; what actually landed the week it resurfaced was an incremental update adding internet-radio streaming. So it's a genuinely modern rewrite that's had a few months to settle, not a day-one gamble.

The honest specifics: it's Mac App Store–only, requires macOS 14 (Sonoma) or later, and is free to download with a 14-day full-feature trial, after which the "Full License" is a one-time $49.99 in-app purchase that the developer has said will rise to $69.99 soon. One thing to know going in — owners of the old Fidelia 1 don't get a free upgrade; version 2 is a separate purchase (the developer points affected owners to support). For anyone who cares where their bits go on the way to the DAC, though, it's among the few players that make that path the whole point.
