# RD Calculator vs Mechinagar Smart App

The clearest difference is iOS requirement: RD Calculator at 12.0 against Mechinagar Smart App's 15.7. On price, ads, 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 | RD Calculator | Mechinagar Smart App |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Every 5 months |
| Size | 25 MB | 440 MB |
| Requires iOS | **12.0** | 15.7 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 17+ |
| Developer | [i15tech](https://appshunter.io/developer/1730900236) | [mBank Technologies](https://appshunter.io/developer/1732994826) |

## What reviewers say

### RD Calculator

[App page](https://appshunter.io/ios/app/rd-calculator/id6479597632)

**Features:** macOS Compatibility

**In-app purchases:** none


### Mechinagar Smart App

[App page](https://appshunter.io/ios/app/mechinagar-smart-app/id6743473289)

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

**In-app purchases:** none


## Frequently asked questions

### Is RD Calculator free?

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

### Is Mechinagar Smart App free?

Mechinagar Smart App is free to download, with no in-app purchases.

### Do RD Calculator or Mechinagar Smart App have ads?

Neither RD Calculator nor Mechinagar Smart App shows ads.

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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.*