Density Calculator vs ENGINE SFC
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
Density Calculator
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Density (Greek: ฯ) is a physical quantity determined as the quotient of the mass m and the volume V of a body or chemical.
ENGINE SFC
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CALCULATION OF MARINE ENGINE FUEL CONSUMPTION
Screenshots
Verdict
The clearest difference is update cadence: ENGINE SFC at daily against Density Calculator's every 3 weeks. Density Calculator's advantage is iOS requirement (13.0 vs 15.2). On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Density Calculator ships an update every 3 weeks, ENGINE SFC daily. The most recent releases landed on October 3, 2026 and October 19, 2026 respectively.
| Parameter | Density Calculator | ENGINE SFC |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 weeks | Daily โ better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 โ better | 15.2 |
| Further details โ not scored | ||
| Size | 41 MB | 6 MB |
| Age rating | 4+ | 4+ |
| Developer | STAGE CODING, Travnik | Oleksii Nezhalskyi |
In-app purchases
Density Calculator
No in-app purchases
ENGINE SFC
No in-app purchases
Questions
Is Density Calculator free?
Is ENGINE SFC free?
Do Density Calculator or ENGINE SFC have ads?
Which is updated more often, Density Calculator or ENGINE SFC?
Other comparisons
