# Rectangle Area Calculator vs Battery Internal Resistance

The clearest difference is ads: Battery Internal Resistance at none against Rectangle Area Calculator's shown. Battery Internal Resistance also leads on iOS requirement (12.0 vs 16). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Rectangle Area Calculator | Battery Internal Resistance |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 32 months | — |
| Size | 6 MB | 28 MB |
| Requires iOS | 16 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Josue Cuginguilua](https://appshunter.io/developer/1485279395) | [Viet Hoang](https://appshunter.io/developer/1444382961) |

## What reviewers say

### Rectangle Area Calculator

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

**Features:** macOS Compatibility

**In-app purchases:** none


### Battery Internal Resistance

[App page](https://appshunter.io/ios/app/battery-internal-resistance/id6478009129)

**Features:** macOS Compatibility

**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 Battery Internal Resistance free?

Battery Internal Resistance is free to download, with no in-app purchases.

### Do Rectangle Area Calculator or Battery Internal Resistance have ads?

Rectangle Area Calculator shows ads; Battery Internal Resistance does not.

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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.*