Comparison

ProEngineer Calculator vs QuickHold

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

Head to head
About

ProEngineer Calculator

This app provides engineers and students with a comprehensive suite of tools for complex calculations across various engineering disciplines. It offers features for stoichiometry, thermodynamics, electrical, and fluid mechanics, along with process visualization and project management aids.

Highlights
  • Stoichiometry & Material Balances
  • Thermodynamics Calculations
  • Electrical Calculations
  • Flow Mechanics Calculator
  • Process Timeline
  • Consultant Directory
Features
Read full description

ProEngineer Calculator — Your Comprehensive Engineering Companion Engineered for professional engineers and engineering students alike, ProEngineering Calculator combines powerful tools and practical resources to tackle complex calculations and process management with ease. From chemical stoichiometry to electrical and flow mechanics, this app is built to optimize accuracy and efficiency in all your engineering tasks. Features that Empower Your Engineering Work: Stoichiometry & Material Balances: Perform precise chemical reaction and mass flow calculations for process design and analysis. Thermodynamics Calculations: Access essential formulas for heat transfer, energy balances, and thermodynamic properties. Process Flow Diagram (PFD) Reference: Visualize and reference standardized PFD symbols and conventions within the app. Electrical Calculations: Solve electrical circuit problems and perform power, voltage, and current assessments. Flow Mechanics Calculator: Analyze fluid flow, pressure drops, pump performance, and piping systems accurately. Process Timeline: Organize and plan process stages with clear, visual timelines. Consultant Directory: Locate and connect with industry experts to support your projects. Intuitive Interface: Designed for quick data input and immediate results — perfect for both on-site work and office environments. ProEngineering Calculator is an essential engineering toolkit for professionals in chemical, mechanical, process, and electrical engineering fields. Boost your productivity, minimize errors, and take your engineering projects to the next level. Download now to make engineering smarter, faster, and easier.

About

QuickHold

Features
Read full description

QuickHold helps you store and access your essential information instantly. Instead of searching through notes, chats, or files every time you need an address, invoice detail, or ID info, QuickHold lets you keep everything as structured info cards, ready when you need them. What you can do with QuickHold • Save frequently used information as cards • Find what you need instantly with search • Copy full details or individual fields with one tap • Keep everything local, with optional locking for privacy Perfect for • Filling out forms and invoices • Reusing addresses and company details • Sharing information quickly and securely • Temporary access in public situations • Quick access to your info cards, with optional image watermarks. Designed with simplicity in mind • Fast to access • Clean and focused • Private by default All sample data shown in the app is fictional and for demonstration only.

Screenshots

ProEngineer Calculator4 screens
QuickHold4 screens

Verdict

The call

The clearest difference is price: QuickHold at Free against ProEngineer Calculator's $19.99. QuickHold also leads on update cadence (every 4 days vs monthly). On ads, in-app purchases, device support and iOS requirement 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

QuickHold is free to download; ProEngineer Calculator costs $19.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

ProEngineer Calculator ships an update monthly, QuickHold every 4 days. The most recent releases landed on October 4, 2026 and September 18, 2026 respectively.

Scorecard2 real differences · 8 level
ProEngineer Calculator versus QuickHold: the parameters behind the verdict, then further details
ParameterProEngineer CalculatorQuickHold
Price$19.99Free — better
Rating5.0 (1 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings1 — better—
Update frequencyMonthlyEvery 4 days — better
AdsNoNo
In-app purchasesNoNo
MonetizationPaid—
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.1 — better16.0
Further details — not scored
Size46 MB8 MB
Age rating4+4+
DeveloperMargaret Hayes杭州引力网络技术有限公司

In-app purchases

None

ProEngineer Calculator

No in-app purchases

None

QuickHold

No in-app purchases

Questions

Is ProEngineer Calculator free?
ProEngineer Calculator costs $19.99, with no in-app purchases.
Is QuickHold free?
QuickHold is free to download, with no in-app purchases.
Do ProEngineer Calculator or QuickHold have ads?
Neither ProEngineer Calculator nor QuickHold shows ads.
Which is updated more often, ProEngineer Calculator or QuickHold?
ProEngineer Calculator ships an update monthly, and QuickHold every 4 days. Most recently, ProEngineer Calculator was updated on October 4, 2026 and QuickHold on September 18, 2026.

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