A straightforward calculator app designed for everyday math, school, budgeting, and shopping. It offers essential functions, a clear interface with large buttons, and a history log for reviewing past calculations. Advanced features include memory functions, percentage calculations, and multi-window support for efficient workflow.
Reviews of Calculator Plus #1 are mostly positive: the Utilities app is rated 4.8/5 from 5.1K App Store ratings. What users like most: great calculator, easy to use. Top complaints: ads disrupt calculations, too many ads. Summarized from real user reviews.
8.1.2
September 29, 2026
– Fixed minor issues reported by users. – Please send us your feedback!
Premium features and no ads for 1 month!
2 issues
App crashes or doesn't open
Ads still show up even after paying to remove them
3 requests
Add brackets/parentheses for arithmetic operations
Improve arithmetic operator priority
Calculator Plus is a versatile calculator app for iPhone that handles everyday math, schoolwork, budgeting, and shopping calculations. It provides essential functions like addition, subtraction, multiplication, and division, along with advanced features for more complex tasks.
Key features include a clear interface with large buttons and a large display for error-free input, a calculation history for reviewing past results, a memory function for storing intermediate values, and a percentage calculator for discounts and tips. It also supports multi-window mode for faster workflow.
The core functionality of Calculator Plus is available for free. The app also offers advanced features through in-app purchases, such as a home screen widget and grand total functionality, allowing users to enhance their experience.
This app is suitable for a wide range of users, including schoolchildren, students, professionals, small business owners, and anyone managing personal finances. Its intuitive design makes it easy to use for everyday math problems.
The calculation history feature allows you to access a log of all your previous calculations. This is useful for double-checking totals, verifying invoice amounts, or reviewing step-by-step math without having to start over, ensuring accuracy and convenience.
