# Centre for Ethics vs EarthLayer

The clearest difference is update cadence: EarthLayer at weekly against Centre for Ethics's every 3 months. Centre for Ethics's advantage is iOS requirement (13.0 vs 16.4). On price, review sentiment, ads and in-app purchases there is nothing between them.

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

Centre for Ethics ships an update every 3 months, EarthLayer weekly. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Centre for Ethics | EarthLayer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.6 (8 ratings)](https://appshunter.io/ios/app/earthlayer/id6791263282/reviews)** |
| Number of ratings | — | **8** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Weekly** |
| Monetization | Free | Free |
| Size | 25 MB | 54 MB |
| Requires iOS | **13.0** | 16.4 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 9+ | 4+ |
| Developer | [University of Toronto](https://appshunter.io/developer/502878898) | [Kyra Web Inc.](https://appshunter.io/developer/6791263284) |

## What reviewers say

### Centre for Ethics

[App page](https://appshunter.io/ios/app/centre-for-ethics/id1544291875)

Access a wealth of ethical discussions, including lectures, essays, and podcasts from a leading university center. Stay updated on upcoming events and save content for offline access.

**Highlights:** Event calendar and reminders, Access to lectures, essays, and podcasts, Save content for offline use, Personalized updates, Multi-media online journal

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

**In-app purchases:** none


### EarthLayer

[App page](https://appshunter.io/ios/app/earthlayer/id6791263282)

Discover Earth's biodiversity with this app, featuring interactive maps of wildlife and plant life. Explore species, learn about their habitats and conservation status, and read engaging nature stories.

**Highlights:** Interactive biodiversity maps, Species and plant profiles, Habitat and ecosystem exploration, Conservation status information, Nature stories and articles, Search by common or scientific name

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

**In-app purchases:** none


## Frequently asked questions

### Is Centre for Ethics free?

Centre for Ethics is free to download, with no in-app purchases.

### Is EarthLayer free?

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

### Do Centre for Ethics or EarthLayer have ads?

Neither Centre for Ethics nor EarthLayer shows ads.

### Which is updated more often, Centre for Ethics or EarthLayer?

Centre for Ethics ships an update every 3 months, and EarthLayer weekly. Most recently, Centre for Ethics was updated on November 3, 2026 and EarthLayer on October 31, 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.*