This is your last chance, after this, there's no turning back !You take the blue pill, end of story, you leave this page, and stay in your audio beliefs. You take the red pill, you enter the world of Diffonic, and finally compare without lying to yourself. But remember: I'm offering you only the truth. Nothing more.
Diffonic will simply let you hear the truth.
Diffonic lets you compare two audio signals, A and B, in perfectly neutral listening conditions. Thanks to automatic LUFS level matching, any volume difference is removed.
You objectively compare treatments, exports, plugins, without getting tricked by loudness. No more illusions. Diffonic gives you one thing: the answer.
You think 192kHz sounds better than 44.1? That oversampling "x16" makes it sound more "pro"? That the expensive plugin is better than the other? That your oversized cable adds openness to the sound? You think your master sounds better than your mix? You're testing an effect chain, but are you sure it's doing anything? You work with clients who confuse volume with quality? Diffonic puts you in a simple situation: listening without influence, without image, without slogans.
And that's where many certainties begin to collapse. You'll save time, save money, reduce your plugin count, and change the way you listen forever.
Blind Test mode confronts you with yourself. You never know if you're listening to A or B, and the signals are flipped after each click. That's where the magic happens, when only listening remains.
No labels. No visuals. Just what your ears can actually tell. Or not.
VST3, AU, AAX
macOS 10.13+ · Windows 10+ (64-bit)
Zero latency · 64-bit precision
Standard A/B, Blind Test, Level-Matched
LUFS Level Matching, Blind Testing, Signal Routing, Diff button
Requires a connection to the internet occasionally
Diffonic automatically analyzes the LUFS levels of both audio signals (A and B) and matches them to eliminate volume bias. This ensures you're comparing the actual audio processing, not just volume differences. The blind test mode randomly switches between A and B to provide truly unbiased comparison. Learn more about Diffonic's comparison features.
All Toool plugins support VST3, AU (Audio Units), and AAX formats. This ensures compatibility with virtually all modern DAWs including Ableton Live, Logic Pro, Pro Tools, FL Studio, Cubase, Reaper, and Studio One. You can learn more about our plugins on our homepage.
You can install your Toool plugins on up to 3 computers with a single license. This covers your studio setup, laptop, and backup machine. The plugins require occasional internet connection for license verification.
When you load a Toool plugin for the first time, it will ask for activation. Enter the license key from your purchase email. You'll need an internet connection for this initial activation. The plugin will remember your license for future use.