Comparison

Interpolator vs ENGINE SFC

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

Head to head
About

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.

Highlights
  • Two-row interpolation
  • Three-row interpolation
  • Table value lookup
  • No calculator needed
  • Cargo surveyor tool
  • General table use
Features
Read full description

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.

About

ENGINE SFC

Features
Read full description

CALCULATION OF MARINE ENGINE FUEL CONSUMPTION

Screenshots

Interpolator4 screens
ENGINE SFC1 screens

Verdict

The call

The clearest difference is update cadence: ENGINE SFC at daily against Interpolator's every 4 months. Interpolator's advantage is iOS requirement (12.0 vs 15.2). On price, 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

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Interpolator ships an update every 4 months, ENGINE SFC daily. The most recent releases landed on September 26, 2026 and September 30, 2026 respectively.

Scorecard2 real differences · 8 level
Interpolator versus ENGINE SFC: the parameters behind the verdict, then further details
ParameterInterpolatorENGINE SFC
PriceFreeFree
Rating4.9 (74 ratings) — better—
Positive reviews66.7% of reviews—
Number of ratings74 — better—
Update frequencyEvery 4 monthsDaily — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS12.0 — better15.2
Further details — not scored
Size18 MB6 MB
Age rating+44+
Developerron mooringOleksii Nezhalskyi

In-app purchases

None

Interpolator

No in-app purchases

None

ENGINE SFC

No in-app purchases

Questions

Is Interpolator free?
Interpolator is free to download, with no in-app purchases.
Is ENGINE SFC free?
ENGINE SFC is free to download, with no in-app purchases.
Do Interpolator or ENGINE SFC have ads?
Neither Interpolator nor ENGINE SFC shows ads.
Which is updated more often, Interpolator or ENGINE SFC?
Interpolator ships an update every 4 months, and ENGINE SFC daily. Most recently, Interpolator was updated on September 26, 2026 and ENGINE SFC on September 30, 2026.

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