Interplay Learning vs Gas Law Calc
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Interplay Learning
This platform offers subscription-based training for skilled trades, creating job-ready workers and upskilling existing ones. Access hundreds of hours of expert-led content in HVAC, plumbing, electrical, and more, with on-demand assessments to track progress.
- Expert-led training content
- On-demand assessments
- Certification exam prep
- Bite-sized training videos
- Progress tracking
- Anytime, anywhere access
Read full descriptionHide full description
Interplay Learning’s career development platform (formerly SkillMill) is a subscription-based solution that delivers always-on training, creating job-ready skilled trades workers and upskilling tenured workers faster and easier than ever before. Access hundreds of hours of expert-led training content in HVAC, Solar, Plumbing, Electric and Facilities Maintenance (and more). Plus, utilize on-demand assessments and knowledge checks to gauge team skills and identify key areas for improvement. With Interplay, you can: Expand knowledge and skills through training that can be accessed anytime, anywhere Learn directly from industry experts who understand what top technicians need to know Prep for EPA 608 and NATE certification exams or retain certification with approved CEU hours Master industry relevant skills quicker and more efficiently So that you’ll be able to: Take the next step in your trades career Develop skills and credentials Retain critical knowledge necessary to do your job safely and correctly With the Interplay Mobile App You Get: Bite-sized training videos for on-the-go learning On-demand quizzes and assessments to test your knowledge and find gaps The ability to pick up where you left off Just-in-time information when you need it the most Optimize your experience on a tablet, laptop or desktop Popular Courses Include: HVAC: Heat Pump Troubleshooting, Introduction to Rooftop Units, AC System Tools, Trades Math Electrical: How to Use a Multimeter, Fundamental Electrical Concepts, Introduction to Fire Alarms, Electrically Safe to Work Procedures Plumbing: Copper Pipe Joining Methods Lab, Principles of Backflow, Drain Cleaning Intro and Equipment Types Appliances:Garbage Disposal Troubleshooting, Refrigerator Troubleshooting, Ranges Overview Safety: Lockout/Tagout, Bloodborne Pathogens, Ladder and Fall Safety, Distracted Driving Solar: Solar Module Design, Mechanical Commissioning, Reading Schematics and Drawings Get to Know Us: https://www.interplaylearning.com
Gas Law Calc
This chemistry calculator simplifies complex gas law calculations, including the ideal gas law and its variations. It also offers an element lookup with electron configuration and energy levels, plus tools for temperature, pressure, and volume conversions and dilution calculations.
- Ideal gas law calculations
- Charles' Law and Avogadro's Law
- Element lookup with electron configuration
- Temperature, pressure, volume conversions
- Dilution calculator
Read full descriptionHide full description
Gas Law Calc is an ad free straightforward, easy-to-use chemistry calculator. Easily work the ideal gas law and its derivatives, such as Charles' Law, Avogadro's Law, and more. Also included is a simple element look up to see electron configuration, energy levels, molecular weight. And lastly, convert between temperatures, pressures, and volumes, as well as a dilution calculator.
Screenshots
Verdict
The clearest difference is review sentiment: Gas Law Calc at 100% against Interplay Learning's 27%. Gas Law Calc also leads on rating (5.0 vs 3.9) and in-app purchases (none vs 1). Interplay Learning's advantage is ratings volume (48 vs 4). On price, ads, 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
Both are free to download. Interplay Learning sells 1 in-app purchase, starting at $54.00 per month. Gas Law Calc asks for nothing beyond the download.
Gas Law Calc holds the better App Store score, 5.0 against 3.9. That said, the two scores are not equally well evidenced: Interplay Learning has 48 ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 27% of Interplay Learning's written reviews are positive against 100% of Gas Law Calc's.
Interplay Learning ships an update every 2 months, Gas Law Calc weekly. The most recent releases landed on October 12, 2026 and October 13, 2026 respectively.
| Parameter | Interplay Learning | Gas Law Calc |
|---|---|---|
| Price | Free | Free |
| Rating | 3.9 (48 ratings) | 5.0 (4 ratings) — better |
| Positive reviews | 26.7% of reviews | 100.0% of reviews — better |
| Number of ratings | 48 — better | 4 |
| Update frequency | Every 2 months | Weekly — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Subscription | Free — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 15.0 |
| Further details — not scored | ||
| Size | 135 MB | 18 MB |
| Age rating | 4+ | 4+ |
| Developer | Interplay Learning Inc. | Jonathan Nakhla |
Customer experience
Interplay Learning
Gas Law Calc
In-app purchases
Interplay Learning
- Individual Monthly14 Days trial$54.001 Month
Gas Law Calc
No in-app purchases
Questions
Is Interplay Learning free?
Is Gas Law Calc free?
Which has better reviews, Interplay Learning or Gas Law Calc?
Do Interplay Learning or Gas Law Calc have ads?
Which is updated more often, Interplay Learning or Gas Law Calc?
Other comparisons















