# The BangShift Billy vs Thunder Valley Raceway

The clearest difference is in-app purchases: The BangShift Billy at none against Thunder Valley Raceway's 2. The BangShift Billy also leads on iOS requirement (11.0 vs 15.6). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. Thunder Valley Raceway sells 2 in-app purchases, starting at $0.99 per month. The BangShift Billy asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for The BangShift Billy against 5.0 for Thunder Valley Raceway. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

## The numbers

| Metric | The BangShift Billy | Thunder Valley Raceway |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/the-bangshift-billy/id1584654490/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/thunder-valley-raceway/id6764458334/reviews) |
| Number of ratings | 1 | 1 |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | — |
| Monetization | **Free** | Free with in-app purchases |
| Size | 48 MB | 18 MB |
| Requires iOS | **11.0** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [William Armstrong](https://appshunter.io/developer/1584654492) | [Stephan Monette](https://appshunter.io/developer/1299469285) |

## What reviewers say

### The BangShift Billy

[App page](https://appshunter.io/ios/app/the-bangshift-billy/id1584654490)

Precisely control your diaphragm clutch engagement and slip time for drag racing. Optimize launches, reduce driveline damage, and improve ET with millisecond accuracy.

**Highlights:** Precise clutch engagement control, Adjustable slip time (0-2.00 seconds), Millisecond accuracy, Reduces driveline damage, Improves ET, Works with Bluetooth controller

**Features:** macOS Compatibility

**In-app purchases:** none


### Thunder Valley Raceway

[App page](https://appshunter.io/ios/app/thunder-valley-raceway/id6764458334)

Access real-time drag racing time slips directly on your phone. Enhance your track experience with detailed race data, weather information, and automatic Density Altitude calculations to help tune your engine and strategize your next dial-in.

**Highlights:** Real-time time slip viewing, Detailed race information, Weather station data, Automatic Density Altitude calculation, Engine tuning assistance, Dial-in strategy calculator

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Premium Access | $0.99 | per month |
| Thunder Valley Sharing Service | $4.99 | per month |


## Frequently asked questions

### Is The BangShift Billy free?

The BangShift Billy is free to download, with no in-app purchases.

### Is Thunder Valley Raceway free?

Thunder Valley Raceway is free to download, with in-app purchases available.

### Which has better reviews, The BangShift Billy or Thunder Valley Raceway?

The BangShift Billy and Thunder Valley Raceway are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do The BangShift Billy or Thunder Valley Raceway have ads?

Neither The BangShift Billy nor Thunder Valley Raceway 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.*