SmartCalc Multi-Tool

Content rating
Everyone
10+
Downloads
Content rating
Everyone
Learn more
Screenshot image
Screenshot image
Screenshot image
Screenshot image
Screenshot image
Screenshot image
Screenshot image
Screenshot image
Screenshot image
Screenshot image

About this app

Unlock the power of precision with SmartCalc Multi-Tool – the most comprehensive, secure, and elegantly designed calculator for your daily needs.

Whether you are a student, a business professional, or someone managing household finances, SmartCalc combines 9+ specialized calculators into one seamless iOS-style (Cupertino) interface. Experience lightning-fast calculations, encrypted local history, and advanced security features that keep your data private.

Why Choose SmartCalc?

9-in-1 Versatility: From basic arithmetic to complex scientific expressions, we’ve got you covered.


Secure & Private: Your history is protected with AES-GCM encryption and an optional App Lock (PIN) with brute-force protection.

Local First: No cloud sync, no login required. Your data stays on your device.


Professional PDF Exports: Generate and share professional PDF reports of your calculations with watermarked security.

🛠️ Key Categories & Features:
1. General & Scientific Tools


Mobile Calculator: Basic arithmetic with percent handling and horizontal scrolling for long results.


Scientific Pro: Advanced expression evaluation for students and engineers.

Number to Words: Instantly convert large figures into text.

2. Finance & E-Commerce


Salary Calculator: Calculate take-home pay with tax, pension, and overtime adjustments.


EMI Calculator: Plan your loans with detailed schedules and down payment options.


Business Suite: Dedicated E-commerce tab for Profit, Discount, Margin, ROI, and Break-even analysis.

3. Health & Utility


BMI Calculator: Monitor your health with metric/imperial units and category tracking.


Age Calculator: Precise date difference and age calculation in seconds.


Unit Compare: Compare different units across length, mass, temperature, speed, and data.

4. Advanced History Management

Never lose a calculation again. Our unified history system categorizes your entries and prevents duplicates automatically.

🔒 Privacy & Security Features:

App Lock PIN: Secure the app with a salted PBKDF2-HMAC-SHA256 hashed PIN.


Screenshot Protection: Automatically blocks screenshots on Android to protect sensitive financial data.


Privacy Overlay: Hides your app content in the task switcher when you go to the background.

⚡ User-Centric Design:

Pull-to-Refresh: Quickly reset any calculator field with a simple swipe.


Customizable Experience: Adjust animation speeds (Fast/Normal) to suit your workflow.


Haptic Feedback: Tactile responses for a premium feel.

Download SmartCalc Multi-Tool today and simplify your calculations with the most secure tool on the Play Store!
Updated on
Feb 11, 2026

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
No data shared with third parties
Learn more about how developers declare sharing
No data collected
Learn more about how developers declare collection