# MirrorAPP+ vs Engine Displacement Calc

The clearest difference is price: MirrorAPP+ at Free against Engine Displacement Calc's $4.99. MirrorAPP+ also leads on iOS requirement (12.0 vs 17.0). On update cadence, ads, in-app purchases and device support there is nothing between them.

MirrorAPP+ is free to download; Engine Displacement Calc costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

MirrorAPP+ ships an update every 5 weeks, Engine Displacement Calc every 6 weeks. The most recent releases landed on October 22, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | MirrorAPP+ | Engine Displacement Calc |
| --- | --- | --- |
| Price | **Free** | $4.99 |
| Rating | **[1.9 (56 ratings)](https://appshunter.io/ios/app/mirrorapp-plus/id1560645614/reviews)** | — |
| Number of ratings | **56** | — |
| Positive reviews | 8.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 6 weeks |
| Monetization | Free | — |
| Size | 31 MB | 1 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Gigaboyz.com](https://appshunter.io/developer/1141349514) | [Shanghai Sheyuan Network Technology Co., Ltd.](https://appshunter.io/developer/1560626858) |

## What reviewers say

### MirrorAPP+

[App page](https://appshunter.io/ios/app/mirrorapp-plus/id1560645614)

Integrate your smartphone with your car's multimedia system for a safer and more enjoyable driving experience. Project your phone screen and set custom wallpapers directly on your vehicle's display.

**Highlights:** Screen mirroring to vehicle headunit, Sync photos as vehicle wallpapers, Wireless or USB connection, Enhances driving comfort and safety

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

**In-app purchases:** none


### Engine Displacement Calc

[App page](https://appshunter.io/ios/app/engine-displacement-calc/id6761711493)

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

**In-app purchases:** none


## Frequently asked questions

### Is MirrorAPP+ free?

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

### Is Engine Displacement Calc free?

Engine Displacement Calc costs $4.99, with no in-app purchases.

### Do MirrorAPP+ or Engine Displacement Calc have ads?

Neither MirrorAPP+ nor Engine Displacement Calc shows ads.

### Which is updated more often, MirrorAPP+ or Engine Displacement Calc?

MirrorAPP+ ships an update every 5 weeks, and Engine Displacement Calc every 6 weeks. Most recently, MirrorAPP+ was updated on October 22, 2026 and Engine Displacement Calc on October 18, 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.*