# EarthProject vs NPDL Competency Compass

The clearest difference is update cadence: EarthProject at monthly against NPDL Competency Compass's every 6 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

EarthProject ships an update monthly, NPDL Competency Compass every 6 months. The most recent releases landed on November 7, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | EarthProject | NPDL Competency Compass |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.4 (5 ratings)](https://appshunter.io/ios/app/earthproject/id1580109940/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 60.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 6 months |
| Monetization | Free | — |
| Size | 70 MB | 34 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [TAKE ACTION GLOBAL Inc](https://appshunter.io/developer/1580109942) | [eKadence Learning Foundation](https://appshunter.io/developer/1720003818) |

## What reviewers say

### EarthProject

[App page](https://appshunter.io/ios/app/earthproject/id1580109940)

Learn and get motivated to reduce your carbon and plastic waste. This app provides educational content and encourages sustainable practices to help you make a positive environmental impact.

**Highlights:** Learn to reduce waste, Motivation for sustainable practices, Carbon footprint reduction, Plastic waste reduction, Environmental impact education

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### NPDL Competency Compass

[App page](https://appshunter.io/ios/app/npdl-competency-compass/id6751198110)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is EarthProject free?

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

### Is NPDL Competency Compass free?

NPDL Competency Compass is free to download, with no in-app purchases.

### Do EarthProject or NPDL Competency Compass have ads?

Neither EarthProject nor NPDL Competency Compass shows ads.

### Which is updated more often, EarthProject or NPDL Competency Compass?

EarthProject ships an update monthly, and NPDL Competency Compass every 6 months. Most recently, EarthProject was updated on November 7, 2026 and NPDL Competency Compass on October 30, 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.*