Comparison

Gas Laws by CA vs WSU Tech

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

Head to head
About

Gas Laws by CA

This app provides a quick and accurate way to solve gas law equations for engineers and students. It allows users to calculate any variable by entering known values and offers a glossary of gas constants.

Highlights
  • Solve Boyle's Law, Charles's Law, Gay-Lussac's Law, Avogadro's Law
  • Calculate Combined Gas Law and Ideal Gas Law
  • Solve Real Gas Equation
  • Enter known values to find unknown variables
  • Comprehensive glossary of gas constant R
  • Multilingual support
Features
Read full description

Gas Laws is an intuitive and powerful utility for engineers, students, and anyone working with gases who need to solve gas law equations quickly and accurately. Effortlessly calculate any variable in Boyle's Law, Charles's Law, Gay-Lussac's Law, Avogadro's Law, the Combined Gas Law, the Ideal Gas Law, or the Real Gas Equation, simply by entering the known values. Gas Laws also includes a comprehensive glossary and reference table of the universal gas constant R in multiple units, making it easy to select the correct value for your calculations. Whether you need a quick answer or are learning gas behavior, Gas Laws streamlines your workflow, ensures consistency, and helps you document your results. Designed for iOS, Gas Laws is user-friendly, multilingual, and requires no data collection, making it ideal for classroom, laboratory, or field use.

About

WSU Tech

Features
Read full description

Welcome to WSU Tech, your online academy. Features: - Video lectures: Learn & review all relevant concepts faster, easier - Learning Material: Download a PDF of any lecture’s slides for later reference - Qbank Tests: Apply your knowledge and solve clinical case questions - Spaced Repetition Quiz: reinforce knowledge, driven by a smart learning algorithm - Bookmatcher: Find the right videos for your text book - Bookmarks: Organize lectures in your own lists - Study planner: Plan your learning goals - Text Book Articles: Deepen and reinforce your knowledge - Learning progress control: Check your progress for each course - Synchronization between all devices: Simply continue learning seamlessly on another device - Offline availability: Learn on the go - Notes: Create notes about your lectures - Playback speed: Adjust the speed of the videos to your learning speed

Screenshots

Gas Laws by CA4 screens
WSU Tech4 screens

Verdict

The call

The clearest difference is price: WSU Tech at Free against Gas Laws by CA's $1.99. WSU Tech also leads on iOS requirement (15.0 vs 17.0). Gas Laws by CA's advantage is update cadence (every 2 months vs every 9 months). On ads, in-app purchases 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

WSU Tech is free to download; Gas Laws by CA costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Gas Laws by CA ships an update every 2 months, WSU Tech every 9 months. The most recent releases landed on October 30, 2026 and November 4, 2026 respectively.

Scorecard3 real differences · 7 level
Gas Laws by CA versus WSU Tech: the parameters behind the verdict, then further details
ParameterGas Laws by CAWSU Tech
Price$1.99Free — better
Rating1.0 (1 ratings) — better—
Positive reviews0.0% of reviews—
Number of ratings1 — better—
Update frequencyEvery 2 months — betterEvery 9 months
AdsNoNo
In-app purchasesNoNo
MonetizationPaid—
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS17.015.0 — better
Further details — not scored
Size10 MB117 MB
Age rating4+17+
DeveloperIrving Josue Cortes IturriagaLecturio GmbH

In-app purchases

None

Gas Laws by CA

No in-app purchases

None

WSU Tech

No in-app purchases

Questions

Is Gas Laws by CA free?
Gas Laws by CA costs $1.99, with no in-app purchases.
Is WSU Tech free?
WSU Tech is free to download, with no in-app purchases.
Do Gas Laws by CA or WSU Tech have ads?
Neither Gas Laws by CA nor WSU Tech shows ads.
Which is updated more often, Gas Laws by CA or WSU Tech?
Gas Laws by CA ships an update every 2 months, and WSU Tech every 9 months. Most recently, Gas Laws by CA was updated on October 30, 2026 and WSU Tech on November 4, 2026.

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