PIN Master vs Machine Health

PIN Master — a unique way to store PIN codes that's impossible to crack, even if someone sees your screen. HOW IT WORKS Instead of memorizing digits — memorize a pattern. Your PIN is hidden among 77 characters in a grid. Only you know where: "my PIN is under the highlighted circles" or "first column top to bottom." NEW IN VERSION 3.0 - Letters & Symbols — create grids with digits, letters, or mixed content - Modern Design — completely redesigned interface - iCloud Sync — your data across all your devices - Quick Preview — long-press a card to preview the grid - Undo Changes — easily revert accidental edits - Delete Protection — locked cards cannot be deleted WHY PIN MASTER - Secure — even if someone sees the screen, they won't know your PIN - Simple — one glance and you remember the code - Reliable — data stored locally and in your iCloud - Free — no ads, no purchases PERFECT FOR - Bank card PIN codes - Safe and lock combinations - Any numeric passwords Over 10 years in the App Store. Thousands of happy users.

Machine Health simplifies equipment maintenance and fluid analysis for service technicians. Schedule tasks, perform inspections, analyze fluids, and generate reports—all from your mobile device. Perfect for field engineers managing machinery maintenance and service operations.