# D vs R2 GearCalc

The clearest difference is device support: D at 3 against R2 GearCalc's 1. On price, ads, in-app purchases 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 | D | R2 GearCalc |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (5 ratings)](https://appshunter.io/ios/app/d-shift/id6466145102/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | — |
| Monetization | Free | — |
| Size | 4 MB | 45 MB |
| Requires iOS | **15.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Dauntless Devices LLC](https://appshunter.io/developer/1706964112) | [Yury Rak](https://appshunter.io/developer/6796796988) |

## What reviewers say

### D

[App page](https://appshunter.io/ios/app/d-shift/id6466145102)

Configure your performance vehicle's sequential shift light wirelessly. This app allows for device setup, firmware updates, and seamless pairing. A compatible shift light device is necessary for operation.

**Highlights:** Wireless pairing, Device configuration, Firmware updates, Official app for D-Shift, Performance vehicle integration

**In-app purchases:** none


### R2 GearCalc

[App page](https://appshunter.io/ios/app/r2-gearcalc/id6797484645)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is D free?

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

### Is R2 GearCalc free?

R2 GearCalc is free to download, with no in-app purchases.

### Do D or R2 GearCalc have ads?

Neither D nor R2 GearCalc 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.*