Comparison

Chemical Engineering Formulate vs VIA App

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

Head to head
About

Chemical Engineering Formulate

This comprehensive reference tool provides over 1,500 formulas, calculators, and conversion charts for chemical engineering professionals and students. It covers a wide range of topics including heat transfer, fluid mechanics, and reaction kinetics, with support for both US and Metric units.

Highlights
  • 1,500+ formulas and calculators
  • 700+ engineering calculators
  • US/Metric unit toggle
  • Dual-unit display
  • Searchable reference tables
  • Offline functionality
  • Save and share calculations
Features
Read full description

CHEMICAL ENGINEER is the essential tool for Chemical Engineers, Process Engineers, and engineering students. With over 1,500 formulas and calculators, this is the most comprehensive chemical engineering reference app available. The app features 700+ engineering calculators across 50 categories, 750 conversion formulas, 8 temperature scales, and 14 reference tables. All formulas support US and Metric (SI) units with one-tap toggle and dual-unit display. CORE CHEMICAL ENGINEERING - Heat Transfer -- LMTD, overall heat transfer, fin efficiency, radiation, Fourier's law - Fluid Mechanics -- Reynolds number, Bernoulli, Darcy-Weisbach, Hagen-Poiseuille - Thermodynamics -- Ideal gas, Clausius-Clapeyron, Antoine equation, compressibility - Reaction Kinetics -- Arrhenius equation, rate laws, CSTR/PFR design, Levenspiel - Mass Transfer -- Fick's law, mass transfer coefficients, wetted wall columns - Distillation -- McCabe-Thiele, Fenske, Underwood, relative volatility - Dimensionless Numbers -- Reynolds, Nusselt, Prandtl, Schmidt, Sherwood, Grashof UNIT OPERATIONS Filtration, Packed/Fluidized Beds, Compressor Sizing, Mixing, Cooling Towers, Membrane Separation, Crystallization, Liquid-Liquid Extraction, Adsorption PROCESS & SAFETY Process Economics, Process Control, Safety Engineering, Corrosion and Electrochemistry ENVIRONMENTAL Air Quality, River/Lake/Soil Pollution, Infiltration and Recharge, Evaporation, Waste ADDITIONAL CATEGORIES Piping (70), Pressure Stress (109), Material Weight (101), Area Formulas (60), Flat Plates, Pumps, Pump Laws, Steam, Crusher, Vapor Separators, Equilibrium, Cogeneration, and more CONVERSIONS BTU, Cubic, Flows, Ft-Lbs, Horsepower, HVAC, Hydraulic, Linear, Liquid, Metric (460), Power, Pressures, Square Measures, Watts, Weights TEMPERATURE SCALES Celsius, Fahrenheit, Kelvin, Rankine, Reaumur, Newton, Delisle, Romer 14 REFERENCE TABLES Chemical Properties, Steam Tables, Pipe Schedules, Material Densities, pH Scale, Engineering Constants, Chemical Resistance, Water Quality, Critical Properties, Antoine Constants, Heat Transfer Coefficients, Dimensionless Numbers, Gas Properties, Flammability Limits FEATURES - US/Metric toggle with dual-unit display - Save calculations and favorites - Share and export results - Searchable reference tables - Dark mode interface - Works offline Don't see a formula you need? Email us and we'll include it in the next update.

About

VIA App

This app enables seamless wireless collaboration by connecting all devices in a meeting space to a primary presentation screen. It supports BYOD, HD video streaming, and multi-display presentations, transforming any screen into a dynamic meeting point for ideas.

Highlights
  • BYOD Wireless Collaboration
  • HD Video Streaming
  • Multi-Display Presentation
  • Interactive Touch Collaboration
  • Interactive Whiteboard
  • VIA Cloud
Read full description

VIA turns any screen into a potential meeting point for ideas to stream freely without conventional restrictions that consume or constrict a meeting’s resources. Independent of wires and cables for total connectivity, VIA is an audio- visual integrator. The box connects to and works off an existing wireless network and links every device in a meeting space with the primary presentation screen. KEY FEATURES 1. BYOD Wireless Collaboration 2. HD Video Streaming 3. Multi-Display Presentation 4. HDMI Input 5. Dynamic Display Layout 6. Collaboration Notes 7. Team Collaboration 8. Interactive Touch Collaboration 9. Interactive Whiteboard 10. VIA Cloud 11. Reverse Control

Screenshots

Chemical Engineering Formulate4 screens
VIA App2 screens

Verdict

The call

The clearest difference is price: VIA App at Free against Chemical Engineering Formulate's $4.99. VIA App also leads on in-app purchases (none vs 1) and update cadence (every 3 months vs every 8 months). On ads 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

VIA App is free to download; Chemical Engineering Formulate costs $4.99 up front. Chemical Engineering Formulate sells 1 one-off in-app purchase. VIA App asks for nothing beyond the download.

UpkeepUpdate frequency

Chemical Engineering Formulate ships an update every 8 months, VIA App every 3 months. The most recent releases landed on October 23, 2026 and October 24, 2026 respectively.

Scorecard6 real differences · 4 level
Chemical Engineering Formulate versus VIA App: the parameters behind the verdict, then further details
ParameterChemical Engineering FormulateVIA App
Price$4.99Free — better
Rating—1.3 (46 ratings) — better
Positive reviews0.0% of reviews8.6% of reviews — better
Number of ratings—46 — better
Update frequencyEvery 8 monthsEvery 3 months — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationPaidFree — better
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS18.69.0 — better
Further details — not scored
Size19 MB37 MB
Age rating4+17+
DeveloperHistorycentral.comKramer Electronics Ltd.

Customer experience

Chemical Engineering Formulate

Written reviews7 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

VIA App

All ratings44 ratings
Positive9.1%
Neutral0.0%
Negative90.9%
Written reviews35 reviews
Positive8.6%
Neutral2.9%
Negative88.6%

In-app purchases

1 purchases

Chemical Engineering Formulate

One-time1
  • Chemistry Pro$3.99
None

VIA App

No in-app purchases

Questions

Is Chemical Engineering Formulate free?
Chemical Engineering Formulate costs $4.99, and also offers in-app purchases.
Is VIA App free?
VIA App is free to download, with no in-app purchases.
Do Chemical Engineering Formulate or VIA App have ads?
Neither Chemical Engineering Formulate nor VIA App shows ads.
Which is updated more often, Chemical Engineering Formulate or VIA App?
Chemical Engineering Formulate ships an update every 8 months, and VIA App every 3 months. Most recently, Chemical Engineering Formulate was updated on October 23, 2026 and VIA App on October 24, 2026.

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