AI-assisted detection
Snap one clear, top-down photo. CartridgeAlignment finds the stylus housing front and the protractor grid for you.
Photograph your cartridge on an alignment protractor. CartridgeAlignment detects the stylus housing and grid, measures the misalignment angle — down to a tenth of a degree — and shows you exactly which way to turn it.
Built for the obsessive — and for anyone who just wants their records to sound right.
Snap one clear, top-down photo. CartridgeAlignment finds the stylus housing front and the protractor grid for you.
The misalignment angle is measured to 0.1°, with a clear readout of which way to rotate the cartridge.
Pinpoint control. Drag any endpoint to seat the lines exactly on the housing and grid — the measurement updates instantly.
No account, no sign-in. Your photo is used only for the alignment analysis — never sold, never shared.
No protractor math, no squinting at tiny lines.
Take a clear, top-down shot with the whole headshell, stylus, and protractor grid in frame — sharp and evenly lit.
CartridgeAlignment draws the stylus housing front and the reference grid right over your photo.
Get the exact misalignment angle and direction. Fine-tune endpoints by hand if you want — then loosen two screws and turn.
Detection overlays, angle readouts, and manual fine-tuning — all on your iPhone.
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CartridgeAlignment is built so your music habit stays your business.
No sign-up, no email, no advertising trackers. Open the app and align.
Used only for the alignment analysis. Never stored on our servers, never sold, never shared.
We don't keep your photos, and we never sell your images or any data related to you.
Full Access purchases go through the App Store. We never see your payment details.
A measurement looks off, a purchase didn't go through, or you have an idea that would make CartridgeAlignment better — tell us. We read every message.
Email SupportOr write to us directly at apps@maadotaa.com