Intuitive and fun
GridCalc is a pleasure to use and immediately intuitive. Highly recommended!
$14.99
About
This calculator app uses a grid interface to visualize every step of your calculations. It combines Reverse Polish Notation with a structured grid, allowing you to reference previous cells and see immediate recalculations when inputs change. Ideal for detailed, ad-hoc modeling on mobile.
✓Visible grid for calculations
✓Reverse Polish Notation (RPN)
✓Incremental number entry
✓Reference prior cells
✓Immediate recalculation on input change
✓Structured problem solving
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What's New in GridCalc
3.1
February 24, 2026
• Now supports iOS 16 and later. • Added `STRUCT` mode for precise in-grid insert/delete editing with automatic shift/recompute behavior. • Added DEL LOCK mode so you can target deletions directly by selecting valid cells. • Added a GRID/NOTES workspace, with notes saved inside your `.gridcalc` files. • Improved reliability for New/Open/Save flows, autosave, and iCloud-linked file handling.
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FAQ
What is GridCalc's pricing?
GridCalc is a paid application, available for a one-time purchase of $14.99. This grants you full access to all its features without any recurring fees or in-app purchases.
Does GridCalc have ads?
No, GridCalc is completely ad-free. You can perform your calculations without any interruptions from advertisements.
What devices does GridCalc support?
GridCalc is designed for Apple devices, supporting both iPhone and iPad. It offers a seamless experience across these platforms.
How often is GridCalc updated?
The latest version, 3.1, was released on February 24, 2026, indicating recent development activity. Users can expect ongoing support and potential future updates.
What is the age rating for GridCalc?
GridCalc has an age rating of 4+, making it suitable for a wide range of users, including younger students learning about structured calculations.
What makes GridCalc different from a standard calculator?
GridCalc uniquely combines Reverse Polish Notation with a visible grid interface. This allows every calculation step to be structured and easily reviewed, unlike traditional calculators with hidden stacks or opaque formula bars.
Can I edit previous inputs in GridCalc?
Yes, a key feature of GridCalc is the ability to change any upstream input at any time. The grid will immediately recalculate to reflect the updated values, ensuring accuracy.
Is GridCalc good for learning RPN?
Absolutely. GridCalc is explicitly designed for students learning RPN and structured problem-solving. The visible grid makes the RPN process transparent and easier to understand.