Comparison

Engineer Calculator vs PipeSizer

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

Head to head
About

Engineer Calculator

Features
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Engineer Calculator is a clean, fast reference tool built for electronics engineers and embedded developers. Whether you're on the bench or in a meeting, get instant answers without hunting through datasheets or opening a laptop. TOOLS INCLUDED • HEX/BIN/DEC Converter — Convert between hexadecimal, binary, and decimal in real time • Calculator — Standard arithmetic for quick on-the-fly calculations • I²C Address Converter — Convert 7-bit to 8-bit addresses with read/write breakdown • Capacitor Unit Converter — Instantly convert between pF, nF, µF, mF, and F • Voltage Divider — Calculate output voltage, current, and power dissipation • LDO Vout Calculator — Solve for Vout, R1, or R2 with circuit diagram reference • Resistance Calculator — Total resistance for series and parallel configurations • Switching Power Design — Interactive DC-DC converter design tool DESIGNED FOR ENGINEERS No clutter, no ads, no unnecessary features. Every tool includes formula references and circuit diagrams so you always know what you're calculating and why. Works great on all screen sizes. Supports light and dark mode automatically.

About

PipeSizer

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PipeSizer helps piping and process engineers screen pipe diameters quickly using flow rate, pipe material, schedule, liner, and traceable velocity ranges. Enter your design conditions and PipeSizer ranks candidate nominal pipe sizes by calculated velocity. The result highlights the best candidate, effective internal diameter, velocity status, and nearby alternatives so you can compare options without rebuilding a spreadsheet. KEY FEATURES • Rank candidate pipe diameters from your flow rate • Compare velocity against traceable recommended ranges • Support for clean water, process fluids, slurry, and utility lines • Carbon steel, stainless steel, HDPE, and common schedules or DR values • Optional liner allowance • SI and Imperial units • Save and reopen sizing results • Share results using the iOS share sheet • Send selected pipe data to Pump Mate • English, Spanish, French, and Portuguese • Fully functional offline PipeSizer is free and designed for fast engineering screening in the office or field. ENGINEERING NOTICE PipeSizer is a screening aid. Verify final selections against project criteria, applicable codes, manufacturer data, and a qualified engineering review.

Screenshots

Engineer Calculator3 screens
PipeSizer4 screens

Verdict

The call

Engineer Calculator and PipeSizer are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Scored on Price Ā· Rating Ā· Positive reviews Ā· Number of ratings Ā· Update frequency Ā· Ads Ā· In-app purchases Ā· Monetization Ā· Best chart rank Ā· Devices Ā· Requires iOS

CostPrice Ā· In-app purchases Ā· Ads Ā· Monetization

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

ScorecardNo meaningful differences
Engineer Calculator versus PipeSizer: the parameters behind the verdict, then further details
ParameterEngineer CalculatorPipeSizer
PriceFreeFree
Update frequency—Every 6 weeks
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.115.1
Further details — not scored
Size22 MB46 MB
Age rating17+4+
DeveloperSooseok OhMario Cerda

In-app purchases

None

Engineer Calculator

No in-app purchases

None

PipeSizer

No in-app purchases

Questions

Is Engineer Calculator free?
Engineer Calculator is free to download, with no in-app purchases.
Is PipeSizer free?
PipeSizer is free to download, with no in-app purchases.
Do Engineer Calculator or PipeSizer have ads?
Neither Engineer Calculator nor PipeSizer shows ads.

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