Achieve perfect, even spacing for various items with real-time visual feedback. This tool helps professionals and hobbyists precisely place objects for projects like fences, lighting, or garden layouts.






231+ iOS apps curated and reviewed
Out of 231+ spacing calculator apps on iOS, 12 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 | Free | — | No | Yes | May 2026 | |
| 2 | $2.99 | 3.9★ (7) | No | No | Jul 2026 | |
| 3 | $2.99 | 4.2★ (23) | No | No | Jul 2026 | |
| 4 | Free | 4.9★ (404K) | Yes | No | Jul 2026 | |
| 5 | Free | 4.7★ (60K) | No | No | Jul 2026 | |
| 6 | Free | 4.9★ (33K) | Yes | Yes | Jul 2026 | |
| 7 | Free | 4.8★ (21K) | Yes | No | Jul 2026 | |
| 8 | $1.99 | — | No | No | Jul 2026 |








Achieve perfect, even spacing for various items with real-time visual feedback. This tool helps professionals and hobbyists precisely place objects for projects like fences, lighting, or garden layouts.





This utility app eliminates the frustration of manual calculations for evenly distributing items. It provides precise measurements for projects like installing balusters, hanging art, or building fences, working in either direction to find piece count or gap size.


This utility app offers a clean and intuitive interface for performing calculations. It prioritizes a user-friendly design with large buttons and a clear display for quick and efficient use.


This app offers both basic and scientific calculation modes with over 30 scientific operations. It allows for customization of the app's appearance and includes features for note-taking, drawing, and viewing calculation history. It supports high accuracy calculations and nested parentheses.


This app offers a straightforward calculation experience, focusing on essential functions without unnecessary complexity. It includes basic arithmetic, percentage calculations, and advanced functions like square root. Users can customize the appearance with multiple color schemes and utilize features like result copying and split-screen multitasking on iPad.


This app provides 15 calculators for estimating concrete, blocks, mortar, rebar, and gravel. It supports various shapes and units, offering material cost estimations for construction projects.




This advanced calculator app offers a powerful math core and algebra engine for basic to complex calculations. It includes features like step-by-step solutions, handwriting recognition, and 2D graphing, making it suitable for students, engineers, and programmers.


Plan fence layouts, calculate precise post spacing, and estimate materials for various fence types. Avoid waste and ensure accurate construction with visual design tools.




This free calculator app offers a fast, ad-free experience with a visual input and calculation history. Customize your experience with various keyboard sounds and colors, and access advanced scientific functions when needed.


This app offers a versatile calculator experience with both standard and scientific modes. Customize its appearance, use it in any orientation, and access additional tools like a notes tab and calculation history. It's designed for students and professionals needing accurate calculations.


This app offers a free basic and scientific calculator with an intuitive interface. It supports fractions, percentages, and advanced editing. Optional upgrades provide specialized calculators for fractions with units, polynomial and linear equation solving, graphing, and geometric shapes.


This app offers a comprehensive suite of over 40 calculators and unit converters for various needs, including finance, health, construction, and everyday math. It features standard, scientific, and specialized calculators for tasks like loan amortization, currency conversion, and material estimation.


This app calculates precise baluster spacing for handrails, accommodating both flat and sloped surfaces. It provides detailed measurements for installation, including the number of balusters, spacing between them, and marking points. Users can also switch between metric and imperial units for convenience.


This app provides a straightforward calculator experience with a comprehensive history log of all your computations. Customize the keyboard, display, and history records to suit your needs. Easily add annotations and titles to past calculations for better organization.


This app offers a powerful graphing calculator experience with touch-based input for enhanced interaction. It supports natural textbook notation, advanced math functions, and various plotting capabilities. Users can also utilize its programming features and built-in tools like unit conversion and a periodic table.


A powerful construction calculator designed for tradespeople. It offers a wide range of tools for estimating, layout, framing, and jobsite calculations, helping to save time and improve accuracy. Supports both imperial and metric units.


This app offers a versatile calculator with three distinct modes: Basic, Scientific, and Programmer. It provides a history view, sharing capabilities, and supports various input and output formats. The app is designed for iPhone, iPad, and iPod Touch.