Interpolator vs VCF Pro
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Interpolator
Easily find values within tables using interpolation for two or three rows. This utility app simplifies calculations without needing a separate calculator, making it ideal for various table-based environments.
- Two-row interpolation
- Three-row interpolation
- Table value lookup
- No calculator needed
- Cargo surveyor tool
- General table use
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This is a small app which makes it very easy to look up values in tables (math etc) when you have to interpolate both in two and in three rows. No more need for a calculator to interpolate manually. This app was designed primarily for cargo surveyors working with tank calibration tables, but the app does have its application in any environment where tables are used. As of 13th January 2015, this app has become FREE until further notice.
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
Verdict
The clearest difference is price: Interpolator at Free against VCF Pro's $3.99. Interpolator also leads on iOS requirement (12.0 vs 18.6). 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
Interpolator is free to download; VCF Pro costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | Interpolator | VCF Pro |
|---|---|---|
| Price | Free — better | $3.99 |
| Rating | 4.9 (74 ratings) — better | — |
| Positive reviews | 66.7% of reviews | — |
| Number of ratings | 74 — better | — |
| Update frequency | Every 4 months | — |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod — better | iPhone |
| Requires iOS | 12.0 — better | 18.6 |
| Further details — not scored | ||
| Size | 18 MB | 10 MB |
| Age rating | +4 | 4+ |
| Developer | ron mooring | Ender ISIKLI |
In-app purchases
Interpolator
No in-app purchases
VCF Pro
No in-app purchases









