Chemical Engineering Formulate vs VIA App
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- 1,500+ formulas and calculators
- 700+ engineering calculators
- US/Metric unit toggle
- Dual-unit display
- Searchable reference tables
- Offline functionality
- Save and share calculations
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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.
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.
- BYOD Wireless Collaboration
- HD Video Streaming
- Multi-Display Presentation
- Interactive Touch Collaboration
- Interactive Whiteboard
- VIA Cloud
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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
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Verdict
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
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.
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.
| Parameter | Chemical Engineering Formulate | VIA App |
|---|---|---|
| Price | $4.99 | Free — better |
| Rating | — | 1.3 (46 ratings) — better |
| Positive reviews | 0.0% of reviews | 8.6% of reviews — better |
| Number of ratings | — | 46 — better |
| Update frequency | Every 8 months | Every 3 months — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Paid | Free — better |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 18.6 | 9.0 — better |
| Further details — not scored | ||
| Size | 19 MB | 37 MB |
| Age rating | 4+ | 17+ |
| Developer | Historycentral.com | Kramer Electronics Ltd. |
Customer experience
Chemical Engineering Formulate
VIA App
In-app purchases
Chemical Engineering Formulate
- Chemistry Pro$3.99
VIA App
No in-app purchases
Questions
Is Chemical Engineering Formulate free?
Is VIA App free?
Do Chemical Engineering Formulate or VIA App have ads?
Which is updated more often, Chemical Engineering Formulate or VIA App?
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