Ring Sizer vs Lineal

Most ring sizer apps use a generic circle on every phone. Screens vary in size, so the number it gives you is a guess. That's why reviews often say, "it said 10, it was 7." This app computes real millimeters from your exact device screen. Lay a ring you already own flat on the glass, size the glowing disc to its inner hole, and read your size. KEY FEATURES - Real millimeters, not screen points: the disc is sized to your device's actual screen, so what you see is the actual size. - Verify accuracy: place a bank card against the screen to confirm the scale in about ten seconds. - Your own size system on every result, free. All nine at once with Pro: US and Canada, UK and Australia, EU and ISO, Japan and Korea, China, India, Germany and the Netherlands, Italy and Spain, Russia. - Accurate results: each reading includes a tolerance band, and the app flags unlikely numbers instead of guessing. - Save one person's sizes free, or every person and finger with Pro, with a measurement log and median reading. - Eight concise guides, all free, cover wide bands, large knuckles, resizing, and daily size fluctuations. WHO IT IS FOR Whether you're buying a ring online, ordering from another country's sizing system, sorting inherited jewelry, deciding whether to resize a band, or discreetly sizing a partner's finger before a proposal, this app gives you a verifiable number. WORKS WITH Wedding bands, engagement rings, signet rings, stacking rings, wide bands, vintage and inherited rings. FREE AND PRO Measuring a ring is free, unlimited, and always will be, and every result shows your own size system plus ISO. The bank-card accuracy check, the tolerance band, all eight guides, and one saved profile are free too. No ads and no account: all your measurements stay on your device. Pro unlocks all nine systems on every result, the no-ring finger method, fit advice for wide bands and large knuckles, the full conversion chart, a printable paper sizer, an on-screen millimeter ruler, a shareable size card, saved sizes for everyone and every finger, and the discreet partner sizing kit. IN-APP PURCHASE Ring Sizer Pro is a one-time purchase, not a subscription. You pay once, nothing renews, and there is nothing to cancel. - Payment is charged to your Apple ID at confirmation of purchase. - The purchase stays on your Apple ID and can be restored on any device from Settings inside the app. - Measuring a ring is free and stays free. Pro is never required to get a size. Terms of Use (EULA): https://abouchfa.com/terms Privacy Policy: https://abouchfa.com/privacy

Lineal turns your iPhone or iPad into a ruler that’s as precise as its display allows. Two markers, one distance, nothing else. It measures anything that fits on your display. Lineal identifies your exact model and the display it’s running on, uses that panel’s physical pixel density, and snaps every tick and both markers to the pixel grid. The distance between the markers is shown with two decimals, in centimeters or inches. MADE FOR MEASURING • Drag a marker, or drag anywhere: the nearest marker follows your finger, so your finger never covers the line. • Drag both markers at once, one finger on each. • Fine-tune with one finger: while dragging, slide sideways to slow the marker to half, a quarter, or a tenth of its speed. • Feel the scale: a light tap on every millimeter or 1/16 inch, a firmer one on every whole centimeter or inch, and a stop at the edge of the screen. • On iPad with Apple Pencil Pro, you feel every tick in the pencil. • On iPad with a keyboard, the arrow keys move a marker by one pixel, Shift-arrow by one tick, and Space switches markers. • Works in portrait and landscape. The markers stay in place when you rotate, fold iPhone Duo, or resize an iPad window. • The screen stays awake while you measure. CALIBRATED FOR YOUR DISPLAY • A built-in table holds the pixel density of every supported iPhone and iPad. • Lineal calculates pixels per point for each axis, so scaled displays and Display Zoom stay exact. • Published pixel densities are rounded, so a small uncertainty remains: about ±0.1% on iPhone, up to ±0.2% on iPad. • On iPhone Duo, both the outer and the inner display are calibrated. The inner display measures when it’s fully unfolded. • On a model Lineal doesn’t know yet, it uses the pixel density of a matching known display; if there is none, it estimates the pixel density and the reading shows ≈. • Lineal measures on the built-in display only, not on an external display. ONE SETTING • Centimeters or inches. Tap the reading to choose. PRIVATE BY DESIGN • No ads, no account, no tracking. Lineal collects no data. • No network access, no camera, no AR, no LiDAR. FOR EVERYONE • VoiceOver: the markers are adjustable and speak the distance. • Dynamic Type, Reduce Motion, and Increase Contrast. • Light and dark appearance. • In English, German, French, Spanish, and Portuguese (Brazil and Portugal).