Construction Calc Lite vs Keyring

Designed by tradespeople, for tradespeople. Construction Calc Lite handles the heavy lifting of jobsite math—fractions, dimensional conversions, framing, and layout—so you can focus on the build. Whether you're a carpenter, concrete finisher, framer, superintendent, or DIYer, Construction Calc Lite delivers fast, accurate jobsite calculations with zero guesswork. WHY TRADES CHOOSE CONSTRUCTION CALC • True Feet-Inch-Fraction Math: Add, subtract, multiply, and divide in full dimensional fractions down to 1/16th (or user-set precision) with automatic reduction. • Seamless Unit Switching: Effortlessly mix Imperial and Metric. Convert feet-inch-fractions to meters, centimeters, or millimeters in a single tap. • Split-Screen Display: View decimal values, feet/inch fractions, memory registers, and scale factors simultaneously in large, high-visibility text. • Visual Cut & Layout Solvers: Dedicated modules for right triangles, miters, arcs, and baluster spacing complete with clear visual diagrams. • 50 Memory Registers & Full History: Never lose a cut list or measurement. Easily recall previous calculations on the fly. DEDICATED MODULES FOR EVERY TRADE • Framing & Layout: Calculate stud, fence post, and baluster spacing (horizontal, angled, or circular). • Miters & Trim: Visual miter and bevel angle calculator for crown molding and finish carpentry. • Geometry & Stairs: Instant solutions for right triangles, diagonals, rafter lengths, arcs, and chords. • Concrete, Volume & Area: Quickly calculate slab volume, footings, room square footage, and block/tank capacities. • Materials & Coverage: Estimate drywall sheets, tile, paint, and material costs with built-in waste allowances. • Smart Blueprint Scaling: Instantly scale plan drawings up or down to true field dimensions. BUILT FOR THE JOBSITE • High-Contrast Display: Large, legible fonts engineered for bright outdoor sunlight or dark crawl spaces. • Works 100% Offline: No cell service required on remote sites.

Stop wondering what that mystery key opens. Keyring lets you photograph and label every key so you always know which is which -- then tap the ring to fan them out for quick browsing. NEW IN 2.1 - Loan reminders -- get notified the day a loaned key is due back, not just a note that it's overdue ALSO INCLUDED - Loan tracking -- know exactly who has your spare key and when it's due back - Location confirmation -- log where you last saw a key, with a map - Duplicate detection -- instantly spot near-identical keys by photo, entirely on-device - Full activity history for every key - Siri Shortcuts and Spotlight search FREE Photograph and organize up to 5 keys on one keyring, completely free -- no account needed, everything stays on your device. KEYRING PRO -- $2.99/month, cancel anytime (a one-time unlock option is also available) - Unlimited keys and keyrings - Loan, spare, and lost-key tracking - Location history with maps - Full activity log - Visual duplicate detection - Search across every keyring Your keys, your data. Keyring works fully offline and never asks for an account. Privacy Policy: https://shimondeitel.github.io/keyring-site/privacy.html Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/