# MG Flasher vs DragCalc

The clearest difference is review sentiment: MG Flasher at 71% against DragCalc's 0%. MG Flasher also leads on rating (4.5 vs 3.0) and ads (none vs shown). On price and in-app purchases there is nothing between them.

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

MG Flasher holds the better App Store score, 4.5 against 3.0. 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 0% of DragCalc's.

MG Flasher ships an update every 9 days, DragCalc every 5 months. The most recent releases landed on October 21, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | MG Flasher | DragCalc |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (89 ratings)](https://appshunter.io/ios/app/mg-flasher/id1492813749/reviews)** | [3.0 (1 ratings)](https://appshunter.io/ios/app/dragcalc/id6758584657/reviews) |
| Number of ratings | **89** | 1 |
| Positive reviews | **71.4% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 9 days** | Every 5 months |
| Monetization | **Free** | Ad-supported |
| Size | 748 MB | 17 MB |
| Requires iOS | **15.4** | 18.1 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [JR Auto Performance Inc.](https://appshunter.io/developer/1492813748) | [Sheharyar Irfan](https://appshunter.io/developer/974971911) |

## 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


### DragCalc

[App page](https://appshunter.io/ios/app/dragcalc/id6758584657)

This app predicts drag racing performance metrics like quarter-mile times and trap speeds using a physics-based simulation. It allows users to input car specifications, compare different builds, and analyze real-world runs.

**Highlights:** AI-powered car input, Quarter & Eighth Mile ET/trap speed predictions, Side-by-side car build comparison, Slope correction for track grade, Analysis of imported run data, Cloud sync for presets

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is MG Flasher free?

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

### Is DragCalc free?

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

### Which has better reviews, MG Flasher or DragCalc?

MG Flasher is rated higher. MG Flasher averages 4.5 out of 5 from 89 ratings, while DragCalc averages 3.0 from 1 ratings.

### Do MG Flasher or DragCalc have ads?

DragCalc shows ads; MG Flasher does not.

### Which is updated more often, MG Flasher or DragCalc?

MG Flasher ships an update every 9 days, and DragCalc every 5 months. Most recently, MG Flasher was updated on October 21, 2026 and DragCalc on October 13, 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.*