# DF Auto vs CRG Calculator

The clearest difference is ads: CRG Calculator at none against DF Auto's shown. On price, in-app purchases, device support and iOS requirement 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 | DF Auto | CRG Calculator |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | — |
| Size | 38 MB | 34 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Md Minhazur Rahman](https://appshunter.io/developer/1863959342) | [CRG CATALYTIC CONVERTERS (FZC)](https://appshunter.io/developer/6785981054) |

## What reviewers say

### DF Auto

[App page](https://appshunter.io/ios/app/df-auto/id6756973542)

**Features:** macOS Compatibility

**In-app purchases:** none


### CRG Calculator

[App page](https://appshunter.io/ios/app/crg-calculator/id6785981052)

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

**In-app purchases:** none


## Frequently asked questions

### Is DF Auto free?

DF Auto is free to download, with no in-app purchases.

### Is CRG Calculator free?

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

### Do DF Auto or CRG Calculator have ads?

DF Auto shows ads; CRG Calculator 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.*