# Center for Learning vs Hormones Guide...

The clearest difference is in-app purchases: Center for Learning at none against Hormones Guide...'s 2. Center for Learning also leads on ads (none vs shown). Hormones Guide...'s advantage is update cadence (every 2 weeks vs every 13 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Hormones Guide... sells 2 in-app purchases, starting at $2.99 per month. Center for Learning asks for nothing beyond the download.

Center for Learning ships an update every 13 months, Hormones Guide... every 2 weeks. The most recent releases landed on October 20, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | Center for Learning | Hormones Guide... |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (136 ratings)](https://appshunter.io/ios/app/center-for-learning/id1621659826/reviews)** | — |
| Number of ratings | **136** | — |
| Positive reviews | 35.7% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 13 months | **Every 2 weeks** |
| Monetization | Free | — |
| Size | 27 MB | 157 MB |
| Requires iOS | 15.0 | **14.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [The Endocrine Society](https://appshunter.io/developer/438308415) | [Olga Ivanova](https://appshunter.io/developer/1733570435) |

## What reviewers say

### Center for Learning

[App page](https://appshunter.io/ios/app/center-for-learning/id1621659826)

Access comprehensive training and education in endocrinology, diabetes, and metabolism. This mobile app offers diverse learning formats synchronized with a central platform, providing opportunities for medical knowledge and MOC points.

**Highlights:** Endocrinology, diabetes, metabolism education, Multiple learning formats, Synchronized with Center for Learning, ABIM Medical Knowledge points, ABP MOC Part 2 points, On-the-go learning

**Features:** macOS Compatibility

**In-app purchases:** none


### Hormones Guide...

[App page](https://appshunter.io/ios/app/hormones-guide/id6739848653)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Subscription | $2.99 | per month |
| Sponsorship (donation) | $1.99 | one-time |


## Frequently asked questions

### Is Center for Learning free?

Center for Learning is free to download, with no in-app purchases.

### Is Hormones Guide... free?

Hormones Guide... is free to download, with in-app purchases available.

### Do Center for Learning or Hormones Guide... have ads?

Hormones Guide... shows ads; Center for Learning does not.

### Which is updated more often, Center for Learning or Hormones Guide...?

Center for Learning ships an update every 13 months, and Hormones Guide... every 2 weeks. Most recently, Center for Learning was updated on October 20, 2026 and Hormones Guide... on September 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.*