# Arc+ vs Arc Calculator Pro

The clearest difference is review sentiment: Arc+ at 50% against Arc Calculator Pro's 0%. Arc+ also leads on price (Free vs $3.99) and update cadence (every 4 months vs every 41 months). Arc Calculator Pro's advantage is in-app purchases (none vs 1). On ads, device support and iOS requirement there is nothing between them.

Arc+ is free to download; Arc Calculator Pro costs $3.99 up front. Arc+ sells 1 one-off in-app purchase. Arc Calculator Pro asks for nothing beyond the download.

Arc+ ships an update every 4 months, Arc Calculator Pro every 41 months. The most recent releases landed on September 22, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | Arc+ | Arc Calculator Pro |
| --- | --- | --- |
| Price | **Free** | $3.99 |
| Rating | **[4.6 (113 ratings)](https://appshunter.io/ios/app/arc-plus/id1464058503/reviews)** | — |
| Number of ratings | **113** | — |
| Positive reviews | **50.0% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 41 months |
| Monetization | **Free** | Paid |
| Size | 4 MB | 2 MB |
| Requires iOS | **15.6** | 16.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Mohamed Saad](https://appshunter.io/developer/1291109619) | [Imran Pinjara](https://appshunter.io/developer/1484488781) |

## What reviewers say

### Arc+

[App page](https://appshunter.io/ios/app/arc-plus/id1464058503)

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.

**Highlights:** Calculate Radius, Length, Width, Height, Tangent, Input two known values to find others, Measurement units converter, Save results to favorites, Share calculations

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ad Blocker | $4.99 | one-time |


### Arc Calculator Pro

[App page](https://appshunter.io/ios/app/arc-calculator-pro/id1491369908)

This utility app provides precise calculations for various arc measurements, including length, angle, radius, and area. It supports both millimeters and inches, making it ideal for fabrication and engineering tasks. The app is designed for high performance and offline use.

**Highlights:** Arc Length Calculation, Arc Angle Calculation, Arc Radius Calculation, Arc Segment Area Calculation, Arc Sector Area Calculation, Supports mm and inches, Offline functionality

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Arc+ free?

Arc+ is free to download, with in-app purchases available.

### Is Arc Calculator Pro free?

Arc Calculator Pro costs $3.99, with no in-app purchases.

### Do Arc+ or Arc Calculator Pro have ads?

Neither Arc+ nor Arc Calculator Pro shows ads.

### Which is updated more often, Arc+ or Arc Calculator Pro?

Arc+ ships an update every 4 months, and Arc Calculator Pro every 41 months. Most recently, Arc+ was updated on September 22, 2026 and Arc Calculator Pro on September 15, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*