Comparison

CleanMax Lite vs Process Engineer Calc

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

Head to head
About

CleanMax Lite

This mobile tool assists with wellbore cleanup operations by calculating fluid volumes and contact times. It also generates 2D and 3D animations to visualize fluid displacement, aiming to reduce formation damage and enhance well productivity.

Highlights
  • Fluid volume calculations
  • Contact time calculations
  • 2D fluid displacement animations
  • 3D fluid displacement animations
  • Wellbore cleanup operations aid
Features
Read full description

Successfully conducting a wellbore cleanup ensures hassle-free completions, reduces the risk of formation damage, and enhances well productivity. Pegasus Vertex, Inc. has extracted most-used components from our advanced software, CleanMax, and created a handy mobile app CleanMax Lite to aid with wellbore cleanup operations. CleanMax Lite quickly and accurately calculates fluid volumes, contact times and creates 2D and 3D fluid displacement animations.

About

Process Engineer Calc

Features
Read full description

ProcessCalc is an ad-free, offline-ready utility app designed specifically for chemical engineers, extraction technicians, and laboratory researchers. Whether you are scaling up a synthesis from bench to pilot scale, optimizing solvent recovery, or sizing a chiller for your jacketed reactor, this app provides 10 specialized engineering calculators to streamline your daily workflow. Key Calculators Included: • Solvent Recovery: Estimate evaporation rates and recovery times. • Chiller Sizing: Calculate required cooling capacity (kW) and tonnage. • Biomass Capacity & Yield: Optimize loading and predict expected yields. • Scale-up Predictor: Lab to production volume and flow rate scaling. • Condenser Area: Determine required heat transfer area. • Vapor Velocity: Avoid flooding in vacuum systems with min-ID calculations. • Pump Flow Rate: Quick displacement to LPM/LPH conversions. • Scaling Risk Predictor: Assess system scaling and maintenance needs. • Vacuum Diagnostic: Calculate rate-of-rise and system leak rates. • Compliance Map: Quick reference for global hemp/CBD regulations. App Features: Zero Ads: No pop-ups, no tracking, no subscriptions. Offline First: Works instantly in the lab or extraction facility where internet might be spotty. Favorites: Star your most-used tools for one-tap access. Practical: Built around real-world formulas used in extraction and chemical processing facilities. Designed by engineers, for engineers.

Screenshots

CleanMax Lite4 screens
Process Engineer Calc4 screens

Verdict

The call

The clearest difference is update cadence: Process Engineer Calc at every 10 days against CleanMax Lite's every 2 months. CleanMax Lite's advantage is device support (3 vs 1) and iOS requirement (8.0 vs 17.0). On price, ads and in-app purchases 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

CleanMax Lite ships an update every 2 months, Process Engineer Calc every 10 days. The most recent releases landed on September 17, 2026 and September 12, 2026 respectively.

Scorecard3 real differences · 6 level
CleanMax Lite versus Process Engineer Calc: the parameters behind the verdict, then further details
ParameterCleanMax LiteProcess Engineer Calc
PriceFreeFree
Rating5.0 (1 ratings) — better—
Number of ratings1 — better—
Update frequencyEvery 2 monthsEvery 10 days — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS8.0 — better17.0
Further details — not scored
Size14 MB11 MB
Age rating4+4+
DeveloperPegasus Vertex, Inc.冯泰 蔡

In-app purchases

None

CleanMax Lite

No in-app purchases

None

Process Engineer Calc

No in-app purchases

Questions

Is CleanMax Lite free?
CleanMax Lite is free to download, with no in-app purchases.
Is Process Engineer Calc free?
Process Engineer Calc is free to download, with no in-app purchases.
Do CleanMax Lite or Process Engineer Calc have ads?
Neither CleanMax Lite nor Process Engineer Calc shows ads.
Which is updated more often, CleanMax Lite or Process Engineer Calc?
CleanMax Lite ships an update every 2 months, and Process Engineer Calc every 10 days. Most recently, CleanMax Lite was updated on September 17, 2026 and Process Engineer Calc on September 12, 2026.

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