Comparison

Two Phase Separator Lite vs CalcEngineer

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

Head to head
About

Two Phase Separator Lite

Features
Read full description

This is the lite version of the equipment sizing app which provides the two-phase separator design for various process conditions. The results for two different approaches, i.e. York Demister and Theoretical, are presented for demonstration of the full version app. Please refer to my website at http://salvasolution.com for background information and technical support. Ali P. Laleh, PhD, P.Eng.

About

CalcEngineer

This app provides professional engineering calculations for compressed air systems. It helps engineers and technicians determine CFM requirements, size compressors and tanks, and analyze pressure drops for optimized pneumatic systems.

Highlights
  • CFM Calculator
  • Compressor & Tank Sizing
  • Pressure Drop Analysis
  • Flow Velocity & Pipe Sizing
  • Multiple CFM Entries
  • General Engineering Calculator Suite
Features
Read full description

CalcEngineer - Professional Engineering Calculators The ultimate compressed air system calculator for engineers, technicians, and professionals. Calculate CFM requirements, size compressors and tanks, analyze pressure drops, and optimize your pneumatic systems with engineering-grade precision. KEY FEATURES: • CFM Calculator - Air actuator airflow calculations with real-time results • Compressor Sizing - Size compressors for your specific air demands • Tank Sizing - Calculate air receiver tank requirements and capacity • Pressure Drop Analysis - Determine pressure loss in pipes and fittings • Flow Velocity Calculator - Calculate fluid velocity for optimal system design • Pipe Sizing - Optimize pipe diameter selection for efficiency • Multiple CFM Entries - Add multiple air demands for complex systems • Engineering Calculator Suite - Additional tools for mechanical, electrical, chemical, and thermal engineering PROFESSIONAL TOOLS: • Real-time calculations using industry-standard formulas • Pre-filled values that transfer between calculators • Imperial and metric unit support with automatic conversion • Engineering-grade accuracy for professional applications • Clean, intuitive interface designed for daily use PERFECT FOR: • Industrial engineers and maintenance teams • System designers and consultants • Engineering students and educators • Manufacturing and facility managers • HVAC professionals and technicians Built by Justin Bush | JB CRE8IV - Professional engineering calculation solutions.

Screenshots

Two Phase Separator Lite4 screens
CalcEngineer4 screens

Verdict

The call

The clearest difference is update cadence: CalcEngineer at every 2 days against Two Phase Separator Lite's every 35 months. Two Phase Separator Lite's advantage is iOS requirement (11.0 vs 17). 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

Two Phase Separator Lite ships an update every 35 months, CalcEngineer every 2 days. The most recent releases landed on October 9, 2026 and October 1, 2026 respectively.

Scorecard2 real differences · 8 level
Two Phase Separator Lite versus CalcEngineer: the parameters behind the verdict, then further details
ParameterTwo Phase Separator LiteCalcEngineer
PriceFreeFree
Rating—5.0 (2 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings—2 — better
Update frequencyEvery 35 monthsEvery 2 days — better
AdsNoNo
In-app purchasesNoNo
Monetization—Free
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS11.0 — better17
Further details — not scored
Size27 MB10 MB
Age rating4+9+
DeveloperAli Pourahmadi LalehJustin Bush

In-app purchases

None

Two Phase Separator Lite

No in-app purchases

None

CalcEngineer

No in-app purchases

Questions

Is Two Phase Separator Lite free?
Two Phase Separator Lite is free to download, with no in-app purchases.
Is CalcEngineer free?
CalcEngineer is free to download, with no in-app purchases.
Do Two Phase Separator Lite or CalcEngineer have ads?
Neither Two Phase Separator Lite nor CalcEngineer shows ads.
Which is updated more often, Two Phase Separator Lite or CalcEngineer?
Two Phase Separator Lite ships an update every 35 months, and CalcEngineer every 2 days. Most recently, Two Phase Separator Lite was updated on October 9, 2026 and CalcEngineer on October 1, 2026.

Other comparisons