# yoDGS vs buchDB

The clearest difference is in-app purchases: buchDB at none against yoDGS's 10. buchDB also leads on ads (none vs shown) and update cadence (every 11 days vs monthly). On price, device support and iOS requirement there is nothing between them.

Both are free to download. yoDGS sells 10 in-app purchases, starting at $7.99 per month. buchDB asks for nothing beyond the download.

yoDGS ships an update monthly, buchDB every 11 days. The most recent releases landed on November 12, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | yoDGS | buchDB |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (4 ratings)](https://appshunter.io/ios/app/yodgs-gebardensprache/id1645745335/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Monthly | **Every 11 days** |
| Monetization | Free with in-app purchases | — |
| Size | 144 MB | 55 MB |
| Requires iOS | 16.4 | 16.4 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | +4 | 4+ |
| Developer | [SignLab AS](https://appshunter.io/developer/1464656258) | [f5p UG (haftungsbeschraenkt)](https://appshunter.io/developer/1740522811) |

## What reviewers say

### yoDGS

[App page](https://appshunter.io/ios/app/yodgs-gebardensprache/id1645745335)

Learn German Sign Language through interactive modules and playful lessons. Features AI-powered retention and a visual dictionary. Offers a premium subscription for full access to all learning materials.

**Highlights:** 20 learning modules, 100+ lessons, 1400+ signs and phrases, Visual dictionary, Quizzes and dialogues, AI-powered retention, Grammar and culture tips

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monatsbeitrag | $7.99 | per month |
| Monatsbeitrag | $12.00 | per month |
| Monatsbeitrag | $14.90 | per month |
| Quartalsbeitrag | $44.90 | per 3 months |
| Quartalsbeitrag | $44.90 | per 3 months |
| Quartalsbeitrag | $46.90 | per 3 months |
| Jahresbeitrag | $79.90 | per year |
| Jahresbeitrag | $79.99 | per year |
| Jahresbeitrag | $79.99 | per year |
| Jahresbeitrag | $89.90 | per year |


### buchDB

[App page](https://appshunter.io/ios/app/buchdb/id6760577929)

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

**In-app purchases:** none


## Frequently asked questions

### Is yoDGS free?

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

### Is buchDB free?

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

### Do yoDGS or buchDB have ads?

yoDGS shows ads; buchDB does not.

### Which is updated more often, yoDGS or buchDB?

yoDGS ships an update monthly, and buchDB every 11 days. Most recently, yoDGS was updated on November 12, 2026 and buchDB on November 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.*