MultiCalculator & Vault Locker

Lahyal Studio

About this app

Multi Calc Vault Locker Tax Calculator & Private Photo Vault

a powerful calculator vault locker built for everyday math and private storage. Use it as a fast tax and discount calculator, then unlock your secret photo vault and private notes with a PIN your files stay locked inside a calculator lock style Private Space.

Whether you need accurate pricing tools or a hide photos locker for sensitive images and notes, this multi calculator vault gives you both in one clean app.

★ CALCULATOR FEATURES ★

• Dual discount support for simple and complex pricing
• Custom tax rate settings (0%–50%)
• Real-time results as you type
• Percentage, VAT/tax, tip, profit margin & shopping cart tools
• Final price, savings, and clear tax breakdown
• Light & dark themes
• Multi-language support (14 languages)

★ CALCULATOR VAULT LOCKER ★

• Photo vault – hide private photos behind a PIN
• Private notes – secure sensitive text in your locker
• PIN lock – protect your Private Space with a secret code
• Long-press Settings for quick vault access
• Auto-lock when you leave the app
• Discreet calculator-first experience — privacy when you need it

Who It’s For

• Business owners calculating discounts and tax for customers
• Accountants and finance pros who need fast tax math
• Retail staff handling sales and promotions
• Students learning discounts, taxes, and pricing math
• Shoppers comparing deals and planning budgets
• Anyone who wants a private photo vault and notes locker with a calculator

Calculation Tools

• Initial price input with validation
• Multiple discount percentages
• Custom tax rate application
• Final price + savings summary
• Tip splitter, VAT add/remove, profit margin, and cart totals

Languages

English, Arabic, Spanish, French, German, Italian, Portuguese, Chinese, Japanese, Korean, Hindi, Swedish, Norwegian, and Danish.

Privacy & Security

• Vault content is PIN-protected on your device
• Calculator results are processed locally
• No unnecessary tracking for core calculations
• Designed for privacy-first daily use

Why Choose This App

• Accurate tax & discount calculator
• Built-in photo vault and private notes locker
• Fast, offline-friendly calculations
• Simple, modern, easy interface
• Multi-language support for global users
• All-in-one calculator lock vault experience

Download Multi Calc Vault Locker today calculate prices with confidence, and keep private photos and notes safe in your secret calculator vault.

What’s new

What's new in 1.2.2:
• Updated for Android 16
• Better display on phones and large screens
• Improved performance and stability
• New app name and icon