Calculator – Fast & Simple
Scientific, units & currency
Only for iPhone
Free
iPhone
A fast, clean calculator that does the everyday sums and the awkward ones too.
BASIC AND SCIENTIFIC
Add, subtract, multiply and divide with a keypad built for one-handed use. Switch to scientific for trigonometry, logarithms, powers, roots, factorials and constants.
CONVERTERS
Unit Converter for length, weight, temperature, area, volume, speed, time and data. Currency Converter with up-to-date rates for the currencies you actually use.
EVERYDAY TOOLS
Date Calculator for the days between two dates. Discount Calculator for what you really save. Tip Calculator for splitting the bill without arguing.
AI MATH SOLVER
Stuck on a problem? Ask in plain English and get a step-by-step solution, not just an answer. Algebra, calculus, geometry and statistics.
HISTORY
Every calculation is kept, so you can scroll back and reuse a result instead of typing it again.
MADE TO BE PLEASANT
Light and dark themes. Optional key sounds and haptics. No account, no sign-up, no clutter.
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
Refreshed the App Store screenshots to show every tool in the app, including the split bill, tip, unit and currency calculators.
No functional changes.
The developer, S4 IT Technologies, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Used to Track You
The following data may be used to track you across apps and websites owned by other companies:
- Identifiers
Data Linked to You
The following data may be collected and linked to your identity:
- Identifiers
Data Not Linked to You
The following data may be collected but it is not linked to your identity:
- User Content
- Usage Data
- Diagnostics
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- S4 IT TECHNOLOGIES
- Size
- 9.7 MB
- Category
- Utilities
- Compatibility
Requires iOS 17.0 or later.
- iPhone
Requires iOS 17.0 or later.
- iPhone
- Languages
- English
- Age Rating
4+
- 4+
- Contains
Advertising
- Copyright
- © 2026 S4 IT Technologies