# Interplay Learning vs SkillMill Project

The clearest difference is in-app purchases: SkillMill Project at none against Interplay Learning's 1. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Interplay Learning sells 1 in-app purchase, starting at $54.00 per month. SkillMill Project asks for nothing beyond the download.

Interplay Learning ships an update every 2 months, SkillMill Project monthly. The most recent releases landed on September 9, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | Interplay Learning | SkillMill Project |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.9 (48 ratings)](https://appshunter.io/ios/app/interplay-learning/id1465704946/reviews)** | — |
| Number of ratings | **48** | — |
| Positive reviews | 26.7% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Monthly** |
| Monetization | Subscription | — |
| Size | 135 MB | 45 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Interplay Learning Inc.](https://appshunter.io/developer/661131444) | [Uppsala University](https://appshunter.io/developer/380077092) |

## What reviewers say

### Interplay Learning

[App page](https://appshunter.io/ios/app/interplay-learning/id1465704946)

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.

**Highlights:** Expert-led training content, On-demand assessments, Certification exam prep, Bite-sized training videos, Progress tracking, Anytime, anywhere access

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Individual Monthly | $54.00 | per month |


### SkillMill Project

[App page](https://appshunter.io/ios/app/skillmill-project/id1584345043)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Interplay Learning free?

Interplay Learning is free to download, with in-app purchases available.

### Is SkillMill Project free?

SkillMill Project is free to download, with no in-app purchases.

### Do Interplay Learning or SkillMill Project have ads?

Neither Interplay Learning nor SkillMill Project shows ads.

### Which is updated more often, Interplay Learning or SkillMill Project?

Interplay Learning ships an update every 2 months, and SkillMill Project monthly. Most recently, Interplay Learning was updated on September 9, 2026 and SkillMill Project on September 19, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*