# Rectangle Area Calculator vs I&C Pro

The clearest difference is price: Rectangle Area Calculator at Free against I&C Pro's $7.99. Rectangle Area Calculator also leads on iOS requirement (16 vs 18.4). I&C Pro's advantage is ads (none vs shown) and update cadence (every 3 weeks vs every 32 months). On in-app purchases and device support there is nothing between them.

Rectangle Area Calculator is free to download; I&C Pro costs $7.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Rectangle Area Calculator ships an update every 32 months, I&C Pro every 3 weeks. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Rectangle Area Calculator | I&C Pro |
| --- | --- | --- |
| Price | **Free** | $7.99 |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 32 months | **Every 3 weeks** |
| Size | 6 MB | 13 MB |
| Requires iOS | **16** | 18.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Josue Cuginguilua](https://appshunter.io/developer/1485279395) | [I&C Pro](https://appshunter.io/developer/1812421237) |

## What reviewers say

### Rectangle Area Calculator

[App page](https://appshunter.io/ios/app/rectangle-area-calculator/id1546463138)

**Features:** macOS Compatibility

**In-app purchases:** none


### I&C Pro

[App page](https://appshunter.io/ios/app/i-and-c-pro-instrument-tools/id6745476067)

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

**In-app purchases:** none


## Frequently asked questions

### Is Rectangle Area Calculator free?

Rectangle Area Calculator is free to download, with no in-app purchases.

### Is I&C Pro free?

I&C Pro costs $7.99, with no in-app purchases.

### Do Rectangle Area Calculator or I&C Pro have ads?

Rectangle Area Calculator shows ads; I&C Pro does not.

### Which is updated more often, Rectangle Area Calculator or I&C Pro?

Rectangle Area Calculator ships an update every 32 months, and I&C Pro every 3 weeks. Most recently, Rectangle Area Calculator was updated on November 3, 2026 and I&C Pro on October 30, 2026.

---

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