TuroSmart vs Engine Displacement Calc
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
TuroSmart
Control your home lighting remotely and simultaneously from anywhere. Schedule actions with timers and easily share device access with family members. The app facilitates quick and simple connection to your smart lighting devices.
- Remote lighting control
- Simultaneous device management
- Customizable timers
- Family device sharing
- Easy device connection
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TuroSmart - Smart Lighting with Turolight 1. Remote control: control your home lighting from anywhere 2. Simultaneously control: control multiple devices with one App 3. Timer: set timer to perform multiple functions 4. Device sharing: One tap to share devices among family members 5. Easy connection: easily and quickly connect App to devices
Engine Displacement Calc
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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
Verdict
The clearest difference is price: TuroSmart at Free against Engine Displacement Calc's $4.99. TuroSmart also leads on iOS requirement (15.0 vs 17.0). Engine Displacement Calc's advantage is update cadence (every 3 months vs every 6 months). On 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
TuroSmart 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.
TuroSmart ships an update every 6 months, Engine Displacement Calc every 3 months. The most recent releases landed on November 3, 2026 and November 9, 2026 respectively.
| Parameter | TuroSmart | Engine Displacement Calc |
|---|---|---|
| Price | Free — better | $4.99 |
| Positive reviews | 0.0% of reviews | — |
| Update frequency | Every 6 months | Every 3 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 19 MB | 1 MB |
| Age rating | 12+ | 4+ |
| Developer | Turolight Inc. | Shanghai Sheyuan Network Technology Co., Ltd. |
In-app purchases
TuroSmart
No in-app purchases
Engine Displacement Calc
No in-app purchases
Questions
Is TuroSmart free?
Is Engine Displacement Calc free?
Do TuroSmart or Engine Displacement Calc have ads?
Which is updated more often, TuroSmart or Engine Displacement Calc?
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