# Arc+ vs Geometry Calculator Pro

The clearest difference is in-app purchases: Geometry Calculator Pro at none against Arc+'s 1. Geometry Calculator Pro also leads on update cadence (every 3 weeks vs every 4 months). Arc+'s advantage is ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Arc+ sells 1 one-off in-app purchase. Geometry Calculator Pro asks for nothing beyond the download.

Arc+ ships an update every 4 months, Geometry Calculator Pro every 3 weeks. The most recent releases landed on September 22, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | Arc+ | Geometry Calculator Pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (113 ratings)](https://appshunter.io/ios/app/arc-plus/id1464058503/reviews)** | — |
| Number of ratings | **113** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 4 months | **Every 3 weeks** |
| Monetization | Free | — |
| Size | 4 MB | 4 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Mohamed Saad](https://appshunter.io/developer/1291109619) | [Dokon Jang](https://appshunter.io/developer/1400654634) |

## 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 |


### Geometry Calculator Pro

[App page](https://appshunter.io/ios/app/geometry-calculator-pro/id6446316920)

**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 Geometry Calculator Pro free?

Geometry Calculator Pro is free to download, with no in-app purchases.

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

Geometry Calculator Pro shows ads; Arc+ does not.

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

Arc+ ships an update every 4 months, and Geometry Calculator Pro every 3 weeks. Most recently, Arc+ was updated on September 22, 2026 and Geometry Calculator Pro on September 15, 2026.

---

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