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.


248+ iOS apps curated and reviewed
Out of 248+ spacing calculator apps on iOS, 10 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 | $2.99 | 3.9★ (7) | No | No | Aug 2026 | |
| 2 | $2.99 | 4.2★ (23) | No | No | Aug 2026 | |
| 3 | Free | — | No | Yes | Aug 2026 | |
| 4 | $2.99 | — | No | No | Aug 2026 | |
| 5 | $1.99 | — | No | No | Jul 2026 | |
| 6 | Free | 4.9★ (409K) | Yes | No | Aug 2026 | |
| 7 | Free | 4.7★ (61K) | No | No | Aug 2026 | |
| 8 | $4.99 | — | No | No | Aug 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 tool helps you quickly and accurately calculate the spacing and positions for marks at equal intervals. Input total length, divisions, and margins to get precise measurements, ideal for planning and on-site work.


This utility app provides accurate measurements for various building tasks, returning answers as fractions found on a tape measure. It simplifies complex calculations for projects like wainscot spacing and shelf placement. The app prioritizes user privacy and is open-source with no data collection.


This ad-free utility offers a clean and intuitive interface for performing calculations. It includes essential features like a backspace button and support for parentheses, making complex equations manageable. Enjoy a streamlined calculation experience without interruptions.


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 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 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 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 provides a comprehensive suite of tools for construction professionals and DIY enthusiasts. It offers precise calculations for decking, roofing, stairs, concrete, and more, with support for both metric and imperial units. Designed for jobsite use, it works offline and provides clear visuals for accurate on-site measurements.


A straightforward calculator app designed for simplicity, offering basic arithmetic operations and percentage calculations. It allows users to record and recall past results, customize colors, and enable touch sounds for a personalized experience.




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.




This app simplifies complex measurements and fraction calculations. Convert between various units, perform addition and subtraction of measurements, and work with feet-inches and fractional inches. It also includes a full fraction calculator with advanced functions and a history tape.