# SGMP vs The BangShift Billy

The clearest difference is rating: The BangShift Billy at 5.0 against SGMP's 4.0. The BangShift Billy also leads on in-app purchases (none vs 2) and update cadence (every 3 weeks vs every 2 months). On price, ratings volume, ads and device support there is nothing between them.

Both are free to download. SGMP sells 2 in-app purchases, starting at $4.99 per month. The BangShift Billy asks for nothing beyond the download.

The BangShift Billy holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 2 and 1 respectively.

SGMP ships an update every 2 months, The BangShift Billy every 3 weeks. The most recent releases landed on October 10, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | SGMP | The BangShift Billy |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (2 ratings)](https://appshunter.io/ios/app/sgmp/id1472954577/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/the-bangshift-billy/id1584654490/reviews)** |
| Number of ratings | **2** | 1 |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 17 MB | 48 MB |
| Requires iOS | 15.6 | **11.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | +4 | 4+ |
| Developer | [Stephan Monette](https://appshunter.io/developer/1299469285) | [William Armstrong](https://appshunter.io/developer/1584654492) |

## What reviewers say

### SGMP

[App page](https://appshunter.io/ios/app/sgmp/id1472954577)

Access real-time drag racing time slips and detailed race data directly on your phone. Enhance your track experience with weather information and automatic density altitude calculations to help tune your engine and strategize for bracket races.

**Highlights:** Real-time time slip data, Detailed race information, Weather station data, Automatic density altitude calculation, Engine tuning assistance, Dial-in calculation for bracket racing

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SGMP Sharing Premium | $4.99 | per month |
| Annual Premium Access | $8.99 | per year |


### 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


## Frequently asked questions

### Is SGMP free?

SGMP is free to download, with in-app purchases available.

### Is The BangShift Billy free?

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

### Which has better reviews, SGMP or The BangShift Billy?

The BangShift Billy is rated higher. SGMP averages 4.0 out of 5 from 2 ratings, while The BangShift Billy averages 5.0 from 1 ratings.

### Do SGMP or The BangShift Billy have ads?

Neither SGMP nor The BangShift Billy shows ads.

### Which is updated more often, SGMP or The BangShift Billy?

SGMP ships an update every 2 months, and The BangShift Billy every 3 weeks. Most recently, SGMP was updated on October 10, 2026 and The BangShift Billy on October 12, 2026.

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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.*