Interplay Learning

In-app purchases
2.6
63 reviews
10K+
Downloads
Content rating
Everyone
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About this app

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
Updated on
Jan 26, 2026

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
No data shared with third parties
Learn more about how developers declare sharing
This app may collect these data types
Personal info and Device or other IDs
Data is encrypted in transit
You can request that data be deleted

Ratings and reviews

2.4
52 reviews
Matt Dallass
January 19, 2026
Probably one of the worst apps ever. It does not stay open in background, It crashes all the time. There's no saved login information, so you have to manually type in every time. There's no ability to pinch zoom, so when trying to look at a picture on a quiz question, you can't zoom in. All the videos start in mute.
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loki adams
November 8, 2025
Trash, app doesn't load videos and the solution by customer service was to use the online browser. neither the app or online browser will let me log in anymore. absolute trash if it was a free app and this one is a $50 subscription for single person use. Don't do it.
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Andrew Thomas
December 2, 2021
Skill mill is a joke. App doesn't work, desktop app sort of works but alot of modules cannot be completed. If you are a business thinking of using this to train your staff just stick to a video as this software will only frustrate your employees. The interface is clunky and feels like it was designed in the early 90s and on top of that there main feature VR I was never able to setup as there own tutorial links don't work.
8 people found this review helpful
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What’s new

- Bug fixes

App support

Phone number
+18559802525
About the developer
Interplay Learning, Inc.
sstrike@interplaylearning.com
1717 W 6TH St Ste 405 Austin, TX 78703-4716 United States
+44 7828 496261

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