Comparison

Ekofluid vs CalcKing Pro

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

Head to head
About

Ekofluid

Features
Read full description

The Ekofluid app is a cutting-edge mobile application designed to revolutionize the way users interact with and manage Ekofluid's premier oil processing equipment from the FILOIL and REOIL product lines. With intuitive real-time data visualization, the app empowers users to monitor performance, control processing parameters, and receive instant notifications about the operational status of their equipment, all from the convenience of their smartphone or tablet. Whether you're overseeing oil filtration or regeneration processes, the Ekofluid app provides a seamless and efficient management experience, ensuring optimal performance and reliability of your oil processing equipment. Tailored for engineers, technicians, and facility managers in the energy sector, this app not only simplifies operations but also enhances decision-making through detailed analytics and historical data trends. Experience unmatched control and insight into your FILOIL and REOIL systems with the Ekofluid app, setting a new standard in oil processing technology management.

About

CalcKing Pro

Features
Read full description

Professional engineering calculator, the mobile computing tool for engineers! No ad interference: Specifically designed for engineers, with a pure usage experience and no pop-up ads. Full coverage of core functions: Basic scientific calculations: Trigonometric functions, logarithms and exponents, power operations, constant calls (ฯ€/e, etc.), support for degree/radian conversion, meeting general calculation needs. 12 types of unit conversions: Length, weight, area, volume, temperature, speed, etc., covering meters/cm/inches, kilograms/pounds, etc. Common sub-units, one-click quick conversion. Base conversion: Supports binary, octal, decimal, and hexadecimal conversions, suitable for electronic/computer engineering scenarios. Specialized engineering calculations: Built-in mechanics, circuits, materials, etc. Modules, solving professional problems such as force on inclined planes, series resistors, etc. User-friendly design: Portrait operation: Compatible with iPhone, using the vertical screen in engineering scenarios is more convenient. Local saved calculation history: Automatically records the last 20 calculations, not lost when uninstalling, and can be recalled at any time. Precise adaptation: Optimized for on-site work by engineers, clear display of large numbers, real-time input verification to avoid errors. Efficient work, time and effort-saving: From basic formulas to complex engineering problems, all are covered, helping you focus on core work!

Screenshots

Ekofluid3 screens
CalcKing Pro4 screens

Verdict

The call

The clearest difference is in-app purchases: Ekofluid at none against CalcKing Pro's 1. CalcKing Pro's advantage is update cadence (weekly vs every 6 months). On price, ads, device support and iOS requirement 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

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. CalcKing Pro sells 1 one-off in-app purchase. Ekofluid asks for nothing beyond the download.

UpkeepUpdate frequency

Ekofluid ships an update every 6 months, CalcKing Pro weekly. The most recent releases landed on October 30, 2026 and October 25, 2026 respectively.

Scorecard2 real differences ยท 4 level
Ekofluid versus CalcKing Pro: the parameters behind the verdict, then further details
ParameterEkofluidCalcKing Pro
PriceFreeFree
Update frequencyEvery 6 monthsWeekly โ€” better
AdsNoNo
In-app purchasesNo โ€” betterYes
DevicesiPhone, iPad, iPod โ€” betteriPhone, iPod
Requires iOS14.0.0 โ€” better15.0
Further details โ€” not scored
Size19 MB2 MB
Age rating4+4+
DeveloperEkofluid GmbHๆ–‡ๅจŸ ๅ”

In-app purchases

None

Ekofluid

No in-app purchases

1 purchases

CalcKing Pro

One-time1
  • ่งฃ้”ๅŠŸ่ƒฝ$3.99

Questions

Is Ekofluid free?
Ekofluid is free to download, with no in-app purchases.
Is CalcKing Pro free?
CalcKing Pro is free to download, with in-app purchases available.
Do Ekofluid or CalcKing Pro have ads?
Neither Ekofluid nor CalcKing Pro shows ads.
Which is updated more often, Ekofluid or CalcKing Pro?
Ekofluid ships an update every 6 months, and CalcKing Pro weekly. Most recently, Ekofluid was updated on October 30, 2026 and CalcKing Pro on October 25, 2026.

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