ConvertX vs Vault

Convert any unit in seconds with ConvertX — a powerful unit converter for engineers, students, professionals, and everyday use. From everyday measurements to advanced engineering conversions. -> 400+ UNITS ACROSS 44 CATEGORIES Quickly convert everyday and technical measurements, including: • Length — meters, kilometers, miles, feet, inches • Weight & Mass — kilograms, grams, pounds, ounces • Temperature — Celsius, Fahrenheit, Kelvin • Area — square meters, square feet, acres • Volume — liters, milliliters, gallons • Speed — km/h, mph, m/s • Time — seconds, minutes, hours, days • Data Storage — bits, bytes, KB, MB, GB • Pressure — Pa, bar, psi, atm • Energy — joules, calories, kWh • Power — watts, kilowatts, horsepower • Angle — degrees, radians • Frequency — Hz, kHz, MHz • Fuel Efficiency • And many more measurement conversions -> CURRENCY CONVERTER Convert between 30+ currencies using live exchange rates. Currency data can be cached for convenient access when an internet connection is unavailable. -> ENGINEERING CONVERSIONS — PRO Convert advanced engineering and scientific measurements with dedicated tools for professional and technical use. Mechanical Engineering: • Force • Torque • Stress • Density • Dynamic & Kinematic Viscosity • Acceleration • Angular Velocity Civil Engineering: • Flow Rate • Stress Intensity • Illuminance • Concentration • Water Hardness Electrical Engineering: • Voltage • Resistance • Capacitance • Inductance • Current Density Thermal & HVAC: • Thermal Conductivity • Heat Flux • Cooling Load • Specific Heat Science: • Radiation Dose • Radioactivity • Molar Amount Material Science: • Hardness — HRC, HV, HB, Shore • Elastic Modulus -> FAST AND EASY TO USE Convert measurements quickly with a clean interface designed for everyday and professional use. • Large, easy-to-read results • Swap units with one tap • Copy results to your clipboard • Save frequently used conversions to Favorites • View your recent conversion history • Fast calculations • Clean dark interface • Unit calculations work offline -> OFFLINE UNIT CONVERTER Convert units without an internet connection. Everyday and engineering calculations work directly on your device, making ConvertX useful at home, at work, in classrooms, laboratories, workshops, engineering sites, and while traveling. -> BUILT FOR ENGINEERS, STUDENTS & EVERYDAY USERS ConvertX is useful for: • Mechanical Engineers • Civil Engineers • Electrical Engineers • HVAC Technicians • Engineering Students • Science Students • Technicians • Construction Professionals • Material Scientists • Chemistry & Physics Students • Teachers • Developers • Travelers • DIY Users -> SIMPLE & PRIVATE No account is required to use ConvertX. Unit calculations work directly on your device, including offline conversions. Convert meters to feet, kilometers to miles, kilograms to pounds, Celsius to Fahrenheit, liters to gallons, psi to bar, watts to horsepower, and hundreds of other units in seconds. Whether you need a quick measurement conversion for everyday use or advanced engineering conversions for professional work, ConvertX brings everyday, scientific, engineering, and currency conversions together in one app. -> CONVERTX PRO Unlock all 29 engineering categories with a one-time purchase. Lifetime access. No subscription. One payment includes all current engineering categories and future engineering categories. Get ConvertX today and keep a powerful unit conversion toolkit at your fingertips. Whether you're an engineer, student, professional, traveler, or simply need a quick conversion, ConvertX makes everyday and technical unit conversions fast, simple, and convenient — even when you're offline.

Vault is a private encrypted storage app for your photos, videos, notes, and documents. Everything is locked with AES-256 encryption directly on your device. Nothing is ever uploaded, synced, or shared. No account required. No cloud. No servers. Ever.   — YOUR PRIVACY, YOUR DEVICE —   Every file you store in Vault is encrypted the moment it enters the app. Photos, videos, notes, PDFs, documents — all protected by military-grade AES-256 encryption, stored only on your iPhone. Not even Vault can access your data without your PIN or biometrics.   — WHAT YOU CAN STORE —   • Photos & Videos — Import from your library or capture directly in-app. Files are encrypted instantly on arrival.
• Private Notes — Write and store personal notes behind encryption. Rich text with auto-save.
• Documents — PDF, Word, Excel, and more. View securely inside Vault without exposing files elsewhere.   — SECURITY THAT MEANS BUSINESS —   • Face ID & Touch ID — Unlock instantly with biometrics.
• 6-Digit PIN Fallback — Custom numeric keypad. Incorrect attempts trigger progressive lockout.
• Auto-Lock — App locks immediately when you leave or on shake gesture.
• Intruder Detection — Optionally capture a photo of anyone who enters the wrong PIN. Stored locally.
• Break-In Log — Full log of unauthorized access attempts with timestamp and optional location.
• Guest Mode — Set a separate PIN to show a limited, separate vault to anyone asking to see your phone.
• Secure Delete — Files are overwritten before deletion, not just removed.   — BLENDS INTO YOUR HOME SCREEN —   Choose from multiple app icon themes so Vault appears as a different utility on your home screen. Change anytime from Settings.   — PRIVATE BROWSER BUILT IN —   Browse privately without leaving a trace. No history, no cookies, no cache — automatically cleared every session.   — OFFLINE & INDEPENDENT —   Vault works 100% offline. No internet connection required (except the built-in private browser). No account to create. No email address. No recovery server. Your recovery options — security questions and a personal recovery key — are stored only on your device.   — RECOVERY OPTIONS —   If you ever forget your PIN, recover access using either:
• Security Questions — Two personal questions answered only by you.
• Recovery Key — A 6-word personal passphrase you save during setup.   Both options are fully local. No server involved.   — ONE-TIME PURCHASE. NO SUBSCRIPTIONS. —   Vault Pro is a single lifetime purchase. Pay once, own it forever. No monthly fees. No annual renewal. Try free for 2 days with full access before you decide.   — WHAT STAYS FREE —   After the trial, you can always view and access content you have already stored in Vault at no cost. Adding new content and using advanced features requires Vault Pro. Privacy Policy : https://sites.google.com/view/vaultapppt/home