LinkTap vs Engine Displacement Calc
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
LinkTap
Control your wireless water timer remotely from anywhere. Schedule watering with multiple modes, skip watering during rain, and monitor your device's status. Receive notifications and view historical data for efficient water management.
- Remote access anywhere, anytime
- Six work modes for scheduling
- Rain Skip feature
- Monitor timer status
- Watering notifications
- View watering history
- Control up to 24 timers
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LinkTap App: Remotely access your LinkTap Wireless Water Timer through the App anywhere, anytime. FEATURES: . Provide 6 works modes (Instant mode, Calendar mode, Month mode, Odd-even mode, Interval mode and 7-day mode). . Rain Skip to save water. . Monitor water timer's status (battery capacity, wireless signal strength). . Receives notification when watering starts and ends. . View watering and rain skip history of each water timer. . View real-time watering progress. . View water timer's local weather forecast. . Control up to 24 water timers under one user account. . Multilingual support (English, Español, Deutsch, Français, Italiano and 中文) Supported language: English, Español, Deutsch, Français, Italiano, 中文, 日本語 REQUIREMENTS . The App requires iOS 7+. . Cellular or WiFi internet connection is required.
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: LinkTap at Free against Engine Displacement Calc's $4.99. LinkTap also leads on iOS requirement (15.5 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
LinkTap 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.
LinkTap ships an update every 5 weeks, Engine Displacement Calc every 6 weeks. The most recent releases landed on October 17, 2026 and October 18, 2026 respectively.
| Parameter | LinkTap | Engine Displacement Calc |
|---|---|---|
| Price | Free — better | $4.99 |
| Rating | 3.6 (48 ratings) — better | — |
| Positive reviews | 56.1% of reviews | — |
| Number of ratings | 48 — better | — |
| Update frequency | Every 5 weeks — better | Every 6 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.5 — better | 17.0 |
| Further details — not scored | ||
| Size | 48 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | LINKTAP PTY LTD | Shanghai Sheyuan Network Technology Co., Ltd. |
In-app purchases
LinkTap
No in-app purchases
Engine Displacement Calc
No in-app purchases
Questions
Is LinkTap free?
Is Engine Displacement Calc free?
Do LinkTap or Engine Displacement Calc have ads?
Which is updated more often, LinkTap or Engine Displacement Calc?
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