# WetRuler vs MG Flasher

The clearest difference is rating: WetRuler at 5.0 against MG Flasher's 4.5. MG Flasher's advantage is update cadence (every 9 days vs every 43 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.

WetRuler 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.

WetRuler ships an update every 43 months, MG Flasher every 9 days. The most recent releases landed on October 10, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | WetRuler | MG Flasher |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/wetruler/id1445381420/reviews)** | [4.5 (89 ratings)](https://appshunter.io/ios/app/mg-flasher/id1492813749/reviews) |
| Number of ratings | 1 | **89** |
| Positive reviews | — | 71.4% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 43 months | **Every 9 days** |
| Monetization | Free | Free |
| Size | 1 MB | 748 MB |
| Requires iOS | 15.5 | **15.4** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Robert Werner](https://appshunter.io/developer/1445381419) | [JR Auto Performance Inc.](https://appshunter.io/developer/1492813748) |

## What reviewers say

### WetRuler

[App page](https://appshunter.io/ios/app/wetruler/id1445381420)

This augmented reality application measures and weighs fish using your device's camera. Simply place your catch on a surface, select the fish type, and the app will estimate its length and approximate weight. It also records a photo of your catch with the measurements displayed.

**Highlights:** AR measurement grid, Fish type selection, Approximate weight and length calculation, Records catch photos with data, Works in water for catch and release, Supports large fish up to 10 feet

**In-app purchases:** none


### 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


## Frequently asked questions

### Is WetRuler free?

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

### Is MG Flasher free?

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

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

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

### Do WetRuler or MG Flasher have ads?

Neither WetRuler nor MG Flasher shows ads.

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

WetRuler ships an update every 43 months, and MG Flasher every 9 days. Most recently, WetRuler was updated on October 10, 2026 and MG Flasher on October 8, 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.*