# MG Flasher vs IMS One App

The clearest difference is rating: IMS One App at 5.0 against MG Flasher's 4.5. IMS One App also leads on review sentiment (100% vs 71%). MG Flasher's advantage is update cadence (every 9 days vs every 3 months) and ratings volume (89 vs 1). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

IMS One App holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: MG Flasher has 89 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 71% of MG Flasher's written reviews are positive against 100% of IMS One App's.

MG Flasher ships an update every 9 days, IMS One App every 3 months. The most recent releases landed on October 8, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | MG Flasher | IMS One App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (89 ratings)](https://appshunter.io/ios/app/mg-flasher/id1492813749/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/ims-one-app/id1515276129/reviews)** |
| Number of ratings | **89** | 1 |
| Positive reviews | 71.4% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 9 days** | Every 3 months |
| Monetization | Free | Free |
| Size | 748 MB | 84 MB |
| Requires iOS | 15.4 | **15.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [JR Auto Performance Inc.](https://appshunter.io/developer/1492813748) | [Trak Global Solutions Holdings (Canada) Inc.](https://appshunter.io/developer/938415778) |

## What reviewers say

### MG Flasher

[App page](https://appshunter.io/ios/app/mg-flasher/id1492813749)

This app allows for advanced ECU tuning and feature unlocking for specific BMW and Supra engines via OBD and Wi-Fi. It offers on-the-fly map switching, custom options, flex fuel integration, and diagnostic capabilities for enhanced vehicle performance. Designed for off-road use only.

**Highlights:** Custom performance modifications, Switchable maps on-the-fly, Dynamic exhaust burble control, Flex fuel integration, Torque limiter adjustment, Speed limit removal, Diagnostic DTC reading/clearing

**Features:** Vision Pro support

**In-app purchases:** none


### IMS One App

[App page](https://appshunter.io/ios/app/ims-one-app/id1515276129)

This app helps users improve their driving behavior through personalized feedback and data analysis. It identifies risky driving actions and provides scores to track progress over time, aiming to reduce accidents and improve road safety.

**Highlights:** Personalized driving experience, Improve driving behavior, Reduce road risk, Assess driving performance, Highlight risky behaviors, Score trends and statistics, Dynamic Cards system

**In-app purchases:** none


## Frequently asked questions

### Is MG Flasher free?

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

### Is IMS One App free?

IMS One App is free to download, with no in-app purchases.

### Which has better reviews, MG Flasher or IMS One App?

IMS One App is rated higher. MG Flasher averages 4.5 out of 5 from 89 ratings, while IMS One App averages 5.0 from 1 ratings.

### Do MG Flasher or IMS One App have ads?

Neither MG Flasher nor IMS One App shows ads.

### Which is updated more often, MG Flasher or IMS One App?

MG Flasher ships an update every 9 days, and IMS One App every 3 months. Most recently, MG Flasher was updated on October 8, 2026 and IMS One App on October 9, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*