Comparison

3D Time Zones vs VCF Pro

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

Head to head
About

3D Time Zones

Features
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Discover time zones like never before with 3D Time Zones! This app lets you explore the world’s time zones in a stunning, interactive 3D view. With pinpoint accuracy and real-time updates for Daylight Saving Time changes, it’s always current. Enjoy a seamless experience—no internet required. Perfect for travelers, remote workers, or anyone curious about global time!

About

VCF Pro

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VCFPro is a petroleum cargo calculator for tanker crews, cargo surveyors, and shipper representatives — at sea or on shore. It replaces paper correction tables with instant, precise calculations, in an interface modeled on the handheld calculators the industry already knows. Enter a reading by °API gravity, relative density, or density, and instantly get: • VCF (volume correction factor) • Full volume-weight results — barrels, cubic meters, metric tons and long tons, in air and in vacuum • Crude, Product, and Lube table families • °F / °C switching for any region • Results matched to industry-standard petroleum measurement tables, to the decimal No more flipping through table books. Enter your reading, get your numbers — fast, precise, and ready wherever the job takes you.

Screenshots

3D Time Zones4 screens
VCF Pro3 screens

Verdict

The call

The clearest difference is price: 3D Time Zones at Free against VCF Pro's $3.99. 3D Time Zones also leads on device support (3 vs 1) and iOS requirement (15.0 vs 18.6). VCF Pro's advantage is ads (none vs shown). On in-app purchases 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

3D Time Zones is free to download; VCF Pro costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Scorecard4 real differences · 2 level
3D Time Zones versus VCF Pro: the parameters behind the verdict, then further details
Parameter3D Time ZonesVCF Pro
PriceFree — better$3.99
Update frequencyDaily—
AdsYesNo — better
In-app purchasesNoNo
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS15.0 — better18.6
Further details — not scored
Size12 MB10 MB
Age rating17+4+
DeveloperPAOLO MARRONEEnder ISIKLI

In-app purchases

None

3D Time Zones

No in-app purchases

None

VCF Pro

No in-app purchases

Questions

Is 3D Time Zones free?
3D Time Zones is free to download, with no in-app purchases.
Is VCF Pro free?
VCF Pro costs $3.99, with no in-app purchases.
Do 3D Time Zones or VCF Pro have ads?
3D Time Zones shows ads; VCF Pro does not.

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