Comparison

Chemical Engineering Formulate vs Glacier 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

Glacier App

Enhance your mobile privacy with advanced security features. Protect your connection with VPN and DNS security, block trackers and ads, and receive real-time threat alerts. Secure your communications and browse privately without compromising daily usability.

Highlights
  • VPN and DNS protection
  • Tracker and ad blocking
  • Real-time threat alerts
  • Device tampering detection
  • Secure calling with alternate numbers
  • Privacy-focused design
Read full description

Glacier brings intelligence-grade mobile security to your iPhone in a simple, consumer-friendly app. Glacier is a paid app and requires a Monthly or Yearly subscription to use. Protect your connection with VPN and DNS security, block trackers and intrusive ads, and get real-time alerts when your device or network may be at risk. Glacier is built to help you browse privately, reduce exposure to malicious content, and stay in control of your communications without adding friction to daily life. Glacier is designed with privacy by default. Your personal data stays on your device, and Glacier does not read your messages, access your contacts, or monitor your app usage. Features: • VPN and DNS protection for safer private browsing • Blocks many trackers, ad networks, and invasive data collection services • Real-time alerts and clear recommendations when threats are detected • Threat detection for tampering, jailbroken devices, emulation, and active hacking tools • Secure calling using different phone numbers to keep your personal number safe (requires an additional phone line subscription) • Built by a U.S.-based security team with experience protecting high-risk mobile environments Glacier helps protect your device and communications on Wi-Fi, cellular, and while traveling. SUBSCRIPTION & IN-APP PURCHASES Glacier requires a subscription to use the app. Phone-line features are optional add-ons that require a separate purchase on top of the base subscription. Base subscription (required): • Glacier Monthly - $14.99 per month • Glacier Yearly - $159.99 per year Secure phone lines (optional add-ons, auto-renewing): • 1 Line - $4.99 per month • 2 Lines - $8.99 per month • 5 Lines - $19.99 per month One-time purchase (optional): • Extra Phone Number - $2.99 to change your number again if you've already burned it once this month All prices are in U.S. dollars and may vary by region. Your App Store account is charged at confirmation of purchase. Subscriptions renew automatically at the same price unless canceled at least 24 hours before the end of the current period. Manage or cancel your subscription in your App Store account settings. Secure calling and replacement phone numbers are not available until the corresponding subscription or in-app purchase is made. Privacy Policy: https://www.theglacierapp.com/privacy Terms of Use: https://www.theglacierapp.com/terms

Screenshots

Chemical Engineering Formulate4 screens
Glacier App3 screens

Verdict

The call

The clearest difference is review sentiment: Glacier App at 61% against Chemical Engineering Formulate's 0%. Glacier App also leads on price (Free vs $4.99) and update cadence (weekly vs every 8 months). 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

Glacier App is free to download; Chemical Engineering Formulate costs $4.99 up front. Chemical Engineering Formulate sells 1 one-off in-app purchase and Glacier App sells 6 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Chemical Engineering Formulate ships an update every 8 months, Glacier App weekly. The most recent releases landed on October 6, 2026 and October 15, 2026 respectively.

Scorecard5 real differences · 6 level
Chemical Engineering Formulate versus Glacier App: the parameters behind the verdict, then further details
ParameterChemical Engineering FormulateGlacier App
Price$4.99Free — better
Rating—4.3 (290 ratings) — better
Positive reviews0.0% of reviews61.0% of reviews — better
Number of ratings—290 — better
Update frequencyEvery 8 monthsWeekly — better
AdsNoNo
In-app purchasesYesYes
MonetizationPaid — betterSubscription
Best chart rank—#70 — better
DevicesiPhone, iPadiPhone, iPad
Requires iOS18.618.0 — better
Further details — not scored
Size19 MB66 MB
Age rating4+4+
DeveloperHistorycentral.comSecurity App LLC

Customer experience

Chemical Engineering Formulate

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

Glacier App

All ratings290 ratings
Positive82.4%
Neutral3.1%
Negative14.5%
Written reviews123 reviews
Positive61.0%
Neutral5.7%
Negative33.3%

In-app purchases

1 purchases

Chemical Engineering Formulate

One-time1
  • Chemistry Pro$3.99
6 purchases

Glacier App

Subscriptions5
  • 1 Line$4.991 Month
  • 2 Lines$8.991 Month
  • Monthly$14.991 Month
Show 2 more
  • 5 Lines$19.991 Month
  • Yearly$159.991 Year
One-time1
  • Additional Phone Number$2.99

Questions

Is Chemical Engineering Formulate free?
Chemical Engineering Formulate costs $4.99, and also offers in-app purchases.
Is Glacier App free?
Glacier App is free to download, with in-app purchases available.
Do Chemical Engineering Formulate or Glacier App have ads?
Neither Chemical Engineering Formulate nor Glacier App shows ads.
Which is updated more often, Chemical Engineering Formulate or Glacier App?
Chemical Engineering Formulate ships an update every 8 months, and Glacier App weekly. Most recently, Chemical Engineering Formulate was updated on October 6, 2026 and Glacier App on October 15, 2026.

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