Arc+ vs Equal Space
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Arc+
This utility app helps users calculate various dimensions of circular arcs, including radius, length, width, and height. It offers a simple interface where users input two known values to derive the rest. Additional features include a unit converter, result saving, and sharing capabilities.
- Calculate Radius, Length, Width, Height, Tangent
- Input two known values to find others
- Measurement units converter
- Save results to favorites
- Share calculations
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Arc+ The Complete Circular Arc Calculator Calculates the Radius, Length, Width (chord), Height, Tangent How it works: Select two known values and type it in text boxes and click on ( = ) to get the required values. Features: Measurement units converter Save your results to a favorite list Share your results with others
Equal Space
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Equal Space combines four powerful calculators into one intuitive app. Whether you're distributing items evenly, calculating circle sectors, designing with the golden ratio or solving right triangles, Equal Space has you covered. Key Features: Equal Spacing Calculator - Achieve flawless even spacing for posts, balusters, spotlights, and more. - Real-time visual feedback with interactive drawings. - Comprehensive measurements for precise item placement. - Perfect for carpenters, electricians, gardeners, and DIY enthusiasts. Golden Ratio Calculator - Calculate perfect proportions between lengths using the golden ratio (1.618). - Interactive visualization with spiral drawing and dimension labels. - Maintains golden ratio relationship between any two dimensions in real-time. - Ideal for designers, artists, architects, and anyone working with visual proportions. Circle Sector Calculator - Instantly convert between radius, diameter, and circumference. - Interactive visualization of circle sectors with detailed measurements for chord length, arc length, areas and angles. - Ideal for architects, engineers, artists, and educators. Right Triangle Calculator - Visualize triangles with clear, labeled diagrams. - Solve for missing sides with ease. - Essential for construction, design, and educational purposes. Enhanced Convenience - Dark Mode Support: Work comfortably in any lighting with a sleek, modern interface. - Interactive Visuals: See the results of your calculations with real-time feedback. Perfect For - Designers and builders - DIY enthusiasts - Math enthusiasts - Students learning geometry Download Equal Space now and enjoy easy calculations!
Screenshots
Verdict
The clearest difference is price: Arc+ at Free against Equal Space's $0.99. Arc+ also leads on iOS requirement (15.6 vs 17.6). Equal Space's advantage is in-app purchases (none vs 1) and update cadence (every 6 weeks vs every 4 months). On ads and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Arc+ is free to download; Equal Space costs $0.99 up front. Arc+ sells 1 one-off in-app purchase. Equal Space asks for nothing beyond the download.
Arc+ ships an update every 4 months, Equal Space every 6 weeks. The most recent releases landed on October 29, 2026 and October 22, 2026 respectively.
| Parameter | Arc+ | Equal Space |
|---|---|---|
| Price | Free — better | $0.99 |
| Rating | 4.6 (119 ratings) — better | — |
| Positive reviews | 50.0% of reviews | — |
| Number of ratings | 119 — better | — |
| Update frequency | Every 4 months | Every 6 weeks — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.6 — better | 17.6 |
| Further details — not scored | ||
| Size | 4 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | Mohamed Saad | Andrew Robinson |
In-app purchases
Arc+
- Ad Blocker$4.99
Equal Space
No in-app purchases









