Comparison

Auth Armor Authenticator 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

Auth Armor Authenticator

Features
Read full description

Auth Armor Authenticator provides the ultimate in password-less and 2FA online security. Utilizing biometrics and/or security key support, Auth Armor uses public-key cryptography to ensure the best security possible. Instantly receive push messages and auth right away. No codes to type - just quick and easy auth. With Auth Armor, there is nothing to steal, nothing to remember, and nothing to forget.

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

Auth Armor Authenticator4 screens
Process Engineer Calc4 screens

Verdict

The call

The clearest difference is device support: Auth Armor Authenticator at 3 against Process Engineer Calc's 1. Auth Armor Authenticator also leads on iOS requirement (11.0 vs 17.0). On price, update cadence, 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

Auth Armor Authenticator ships an update fortnightly, Process Engineer Calc every 10 days. The most recent releases landed on October 6, 2026 and September 25, 2026 respectively.

Scorecard2 real differences · 4 level
Auth Armor Authenticator versus Process Engineer Calc: the parameters behind the verdict, then further details
ParameterAuth Armor AuthenticatorProcess Engineer Calc
PriceFreeFree
Update frequencyFortnightlyEvery 10 days — better
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS11.0 — better17.0
Further details — not scored
Size35 MB11 MB
Age rating4+4+
DeveloperAuth Armor Technologies, Inc冯泰 蔡

In-app purchases

None

Auth Armor Authenticator

No in-app purchases

None

Process Engineer Calc

No in-app purchases

Questions

Is Auth Armor Authenticator free?
Auth Armor Authenticator 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 Auth Armor Authenticator or Process Engineer Calc have ads?
Neither Auth Armor Authenticator nor Process Engineer Calc shows ads.
Which is updated more often, Auth Armor Authenticator or Process Engineer Calc?
Auth Armor Authenticator ships an update fortnightly, and Process Engineer Calc every 10 days. Most recently, Auth Armor Authenticator was updated on October 6, 2026 and Process Engineer Calc on September 25, 2026.

Other comparisons