# DASUNG vs 墨水屏胸卡

The clearest difference is update cadence: DASUNG at fortnightly against 墨水屏胸卡's every 7 months. On price, ads, in-app purchases and device support there is nothing between them.

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

DASUNG ships an update fortnightly, 墨水屏胸卡 every 7 months. The most recent releases landed on October 15, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | DASUNG | 墨水屏胸卡 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/dasung-link/id1658501226/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 7 months |
| Monetization | Free | — |
| Size | 33 MB | 56 MB |
| Requires iOS | **11.0** | 12.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Beijing Dasung Tech Co., Ltd](https://appshunter.io/developer/1658501228) | [Bupin Electronics Technology Co.,Ltd.](https://appshunter.io/developer/1594833200) |

## What reviewers say

### DASUNG

[App page](https://appshunter.io/ios/app/dasung-link/id1658501226)

This utility app allows for smart adjustments to compatible e-ink displays. Users can control contrast, speed, picture mode, and front light brightness, along with features like ghosting removal.

**Highlights:** Three-dimensional picture adjustment (contrast, speed, picture mode), Front light brightness control, Smart ghosting removal, Compatibility with Link and Paperlike U (wireless), Intelligent auxiliary software

**Features:** macOS Compatibility

**In-app purchases:** none


### 墨水屏胸卡

[App page](https://appshunter.io/ios/app/id6746151561)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is DASUNG free?

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

### Is 墨水屏胸卡 free?

墨水屏胸卡 is free to download, with no in-app purchases.

### Do DASUNG or 墨水屏胸卡 have ads?

Neither DASUNG nor 墨水屏胸卡 shows ads.

### Which is updated more often, DASUNG or 墨水屏胸卡?

DASUNG ships an update fortnightly, and 墨水屏胸卡 every 7 months. Most recently, DASUNG was updated on October 15, 2026 and 墨水屏胸卡 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.*