# Derdy vs Dentipedia

The clearest difference is in-app purchases: Dentipedia at none against Derdy's 2. On price, update cadence, ads and device support there is nothing between them.

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

Both ship on a similar rhythm, roughly weekly. The most recent releases landed on October 10, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | Derdy | Dentipedia |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Weekly | Weekly |
| Size | 84 MB | 40 MB |
| Requires iOS | 15.6 | **15.1** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 9+ | 17+ |
| Developer | [Mohamed Amine Kouki](https://appshunter.io/developer/1853049655) | [DENTURNAS SAGLIK HIZMETLERI EGITIM ARASTIRMA DANISMANLIK ORGANIZASYON SANAYI TICARET ANONIM SIRKETI](https://appshunter.io/developer/1861495641) |

## What reviewers say

### Derdy

[App page](https://appshunter.io/ios/app/derdy-learn-german-articles/id6755308710)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Premium Subscription | $2.99 | per month |
| Yearly Premium Subscription | $14.99 | per year |


### Dentipedia

[App page](https://appshunter.io/ios/app/dentipedia/id6756575820)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Derdy free?

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

### Is Dentipedia free?

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

### Do Derdy or Dentipedia have ads?

Neither Derdy nor Dentipedia shows ads.

### Which is updated more often, Derdy or Dentipedia?

Derdy ships an update weekly, and Dentipedia weekly. Most recently, Derdy was updated on October 10, 2026 and Dentipedia on October 5, 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.*