Comparison

MirrorAPP+ vs Engine Displacement Calc

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

MirrorAPP+

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
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MirrorAPP+: Your Ultimate Driving Companion At MirrorAPP+, safety on the road is our top priority, we offer an exclusive driver's app experience, allowing you to seamlessly integrate your smartphone with your vehicle during your drive, ensuring safe driving and an enjoyable journey. Here are the key features of MirrorAPP+: 1. Screen Mirroring: With MirrorAPP+, effortlessly project your smartphone screen onto your vehicle's multimedia headunit, enhancing the visual experience and ensuring comfort throughout the drive. 2. Photo Sync: This feature enables you to easily select your favorite photos from your smartphone and set them as wallpapers on your vehicle's multimedia headunit. 3. And much more waiting for you to discover! Simply ensure that your multimedia headunit is compatible with MirrorAPP+, connect your phone wirelessly or via USB cable, launch MirrorAPP+, and make every drive safer and more enjoyable. Compatible with iPhone 8 series or above.

About

Engine Displacement Calc

Features
Read full description

Need to know the exact displacement of an engine build before ordering parts? Whether you are verifying a crate motor, sizing a swap, or checking class compliance, this app calculates total engine displacement from bore, stroke, and cylinder count in seconds. Supports metric (mm) and imperial (inches). Shows total volume in cc, liters, and cubic inches. Includes bore/stroke ratio analysis with square, oversquare, and undersquare classification. FEATURES: - Enter bore diameter, stroke length, and number of cylinders - Instant per-cylinder and total displacement - Output in cc, liters, and cubic inches simultaneously - Bore/stroke ratio with automatic classification - Metric and imperial unit toggle - Works completely offline Perfect for engine builders, mechanics, race teams, and automotive enthusiasts who need accurate displacement figures on the spot.

Screenshots

MirrorAPP+4 screens
Engine Displacement Calc3 screens

Verdict

The call

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.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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.

UpkeepUpdate frequency

MirrorAPP+ ships an update every 5 weeks, Engine Displacement Calc every 6 weeks. The most recent releases landed on October 14, 2026 and October 18, 2026 respectively.

Scorecard2 real differences · 8 level
MirrorAPP+ versus Engine Displacement Calc: the parameters behind the verdict, then further details
ParameterMirrorAPP+Engine Displacement Calc
PriceFree — better$4.99
Rating2.0 (52 ratings) — better—
Positive reviews8.7% of reviews—
Number of ratings52 — better—
Update frequencyEvery 5 weeks — betterEvery 6 weeks
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPodiPhone, iPad
Requires iOS12.0 — better17.0
Further details — not scored
Size31 MB1 MB
Age rating4+4+
DeveloperGigaboyz.comShanghai Sheyuan Network Technology Co., Ltd.

In-app purchases

None

MirrorAPP+

No in-app purchases

None

Engine Displacement Calc

No in-app purchases

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 14, 2026 and Engine Displacement Calc on October 18, 2026.

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