# Sink In vs 讀滿 280：每日三則德文單字卡

The clearest difference is in-app purchases: Sink In at none against 讀滿 280：每日三則德文單字卡's 4. Sink In also leads on device support (3 vs 1). 讀滿 280：每日三則德文單字卡's advantage is update cadence (every 3 days vs every 2 weeks). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. 讀滿 280：每日三則德文單字卡 sells 4 in-app purchases, starting at $6.99 per month. Sink In asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for Sink In against 5.0 for 讀滿 280：每日三則德文單字卡. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

Sink In ships an update every 2 weeks, 讀滿 280：每日三則德文單字卡 every 3 days. Both last shipped on October 31, 2026.

## The numbers

| Metric | Sink In | 讀滿 280：每日三則德文單字卡 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/sink-in-language-in-context/id6786764536/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/280/id6818212834/reviews) |
| Number of ratings | 1 | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 3 days** |
| Monetization | Free | Free |
| Size | 39 MB | 55 MB |
| Requires iOS | **15.1** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [Syuan Yu Siao](https://appshunter.io/developer/6784940490) | [Chan Nam Ao](https://appshunter.io/developer/6818212836) |

## What reviewers say

### Sink In

[App page](https://appshunter.io/ios/app/sink-in-language-in-context/id6786764536)

Learn languages by transforming any text into interactive lessons. Analyze vocabulary, grammar, tone, and sentence structure. Practice with spaced repetition, quizzes, and timed challenges.

**Highlights:** Screenshot and paste text for lessons, On-device text recognition, Vocabulary, grammar, tone analysis, Spaced repetition review, Quiz and timed challenge modes, Cross-device learning history sync

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

**In-app purchases:** none


### 讀滿 280：每日三則德文單字卡

[App page](https://appshunter.io/ios/app/280/id6818212834)

Learn German through daily news articles rewritten at a B1 level. Get instant translations, pronunciation, and vocabulary cards based on spaced repetition. Track your progress and compete globally.

**Highlights:** Daily B1 German news articles, Interactive vocabulary lookup, Spaced repetition flashcards, Progress tracking and global rankings, Customizable news topics and cities, Offline reading and pronunciation

**Features:** iPhone Duo support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 讀滿 280 Plus（月繳） | $6.99 | per month |
| 讀滿 280 Pro（月繳） | $12.99 | per month |
| 讀滿 280 Plus（年繳） | $49.00 | per year |
| 讀滿 280 Pro（年繳） | $99.00 | per year |


## Frequently asked questions

### Is Sink In free?

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

### Is 讀滿 280：每日三則德文單字卡 free?

讀滿 280：每日三則德文單字卡 is free to download, with in-app purchases available.

### Which has better reviews, Sink In or 讀滿 280：每日三則德文單字卡?

Sink In and 讀滿 280：每日三則德文單字卡 are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do Sink In or 讀滿 280：每日三則德文單字卡 have ads?

Neither Sink In nor 讀滿 280：每日三則德文單字卡 shows ads.

### Which is updated more often, Sink In or 讀滿 280：每日三則德文單字卡?

Sink In ships an update every 2 weeks, and 讀滿 280：每日三則德文單字卡 every 3 days. Most recently, Sink In was updated on October 31, 2026 and 讀滿 280：每日三則德文單字卡 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.*