# SDG Rotor — Calculate Rotor Speed Limit

> Supercharger rotor RPM safety assessment tool for high-performance vehicles. (iPhone/iPad app by Stephan Monette.)

- Source: https://appshunter.io/ios/app/sdg-rotor/id6480425498 (this page in markdown: same URL + `.md`)
- Developer: [Stephan Monette](https://appshunter.io/developer/1299469285)
- Category: Productivity, Utilities
- Price: Free
- Rating: 5.00/5 from 1 App Store ratings · 1 written reviews indexed
- Age rating: 17+
- Requires: iOS 15.6 · 46 MB
- Languages: American English
- Released: 2024-04-02
- Data updated: 2026-08-22
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/sdg-rotor/id6480425498/reviews.md

## What is SDG Rotor?

SDG Motorsports Presents: The Ultimate IHI Supercharger Tool

Brought to you by SDG Motorsports, this app is the essential companion for Hellcat, Redeye, Trackhawk, Hellephant, and Demon enthusiasts. Guarantee the safety of your supercharger rotor RPM with our precision tool designed for the high-performance vehicle owner. With SDG Motorsports, you get more than just an app; you get a partner in performance and safety.

Why SDG Motorsports?

•	Expertise in Performance: Leveraging SDG Motorsports deep understanding of high-performance vehicles, our app provides unparalleled accuracy in supercharger safety assessments.

•	User-Friendly Design: Developed by the experts at SDG Motorsports, this app allows you to easily input your supercharger details and engine RPM, offering safety checks in an instant.

•	Global Standards: No matter where you tune from, SDG Motorsports ensures that our app supports a broad spectrum of units and standards for worldwide accessibility.
Your Safety, Our Priority
With SDG Motorsports, stay confident in your vehicle’s performance and safety. Download today to ensure your supercharger setup is not just powerful, but also safe.

Disclaimer: While SDG Motorsports strives to provide accurate and up-to-date information through our Supercharger Safety Tool, the nature of high-performance vehicles and the variability of modifications mean outcomes can vary widely. As such, SDG Motorsports cannot be held responsible for any damage, loss, or injury resulting from the use of this app. Users are encouraged to proceed with caution and consult with professional tuners or technicians when making significant modifications to their vehicles. This app is intended as a guide only, and reliance on its output is at the user's own risk.

## Key features

- Supercharger rotor RPM safety checks
- Input supercharger details and engine RPM
- Instant safety assessments
- Expertise in high-performance vehicles
- User-friendly design
- Supports global units and standards

## Recent user reviews (1 of 1)

All indexed reviews: https://appshunter.io/ios/app/sdg-rotor/id6480425498/reviews.md

### 5/5 — Great on hand info

*2024-04-12*

The age old question of what pulley can I run on my Gen III Hemi platform is answered! Whether you want to go up or down in pulley size, add a lower and regardless of the blower all of the options are here! Clean info and user friendly. Shows “safe” shift points for various combinations and helps keep your driveline performing at its best!

## Frequently asked questions about SDG Rotor

### What is SDG Rotor used for?

SDG Rotor is a tool designed to help owners of high-performance vehicles, such as Hellcats and Demons, assess the safety of their supercharger rotor RPM. It provides instant safety checks based on user-inputted details.

### Is SDG Rotor free to use?

Yes, SDG Rotor is available for free. There are no in-app purchases or subscription fees associated with using this application.

### What vehicles is SDG Rotor designed for?

SDG Rotor is specifically designed for enthusiasts of high-performance vehicles including Hellcat, Redeye, Trackhawk, Hellephant, and Demon models.

### Does SDG Rotor have ads?

No, SDG Rotor does not contain advertisements. The app is ad-free, allowing for an uninterrupted user experience.

### What devices can I use SDG Rotor on?

SDG Rotor is compatible with iPhone, iPad, and iPod touch devices. It is optimized for iOS users.

### How often is SDG Rotor updated?

SDG Rotor was last updated on April 5, 2024, with version 1.02. This indicates a recent update, suggesting ongoing support and potential for future improvements.

### What is the age rating for SDG Rotor?

SDG Rotor has an age rating of 17+, indicating it is intended for mature users. This is likely due to the technical nature of the app and its focus on high-performance vehicles.

### Can SDG Rotor be used globally?

Yes, SDG Rotor supports a broad spectrum of units and standards, ensuring worldwide accessibility for users regardless of their location or tuning preferences.

## Version history (last 4 releases)

### 3.0 — 2026-08-18

* Added a new 15% Overdrive Damper.
* Modified the RPM limit for some blowers.

### 1.02 — 2024-04-05

Minor bug fixes

### 1.01 — 2024-04-04

Minor bug fixes

### 1.0 — 2024-04-02

No release notes.

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## More apps by Stephan Monette

- [GO FM](https://appshunter.io/ios/app/go-fm/id1382816942)
- [Racing Slips](https://appshunter.io/ios/app/racing-slips/id1412589857)
- [UniqueFM](https://appshunter.io/ios/app/uniquefm/id1445313757)
- [RaceOSW](https://appshunter.io/ios/app/raceosw/id1449450293)
- [Race SMP](https://appshunter.io/ios/app/race-smp/id1462681967)
- [SGMP](https://appshunter.io/ios/app/sgmp/id1472954577)

All apps by Stephan Monette: https://appshunter.io/developer/1299469285

## Related topics

[sdg motorsports](https://appshunter.io/ios/topics/sdg-motorsports)

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-22.*