# D vs ZYPUSON

The clearest difference is update cadence: ZYPUSON at weekly against D's every 2 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.

D ships an update every 2 months, ZYPUSON weekly. The most recent releases landed on September 13, 2026 and September 11, 2026 respectively.

## The numbers

| Metric | D | ZYPUSON |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Weekly** |
| Size | 4 MB | 18 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Jiangsu Sunny Medical Equipments Co., Ltd](https://appshunter.io/developer/1071196077) | [阳 李](https://appshunter.io/developer/1469354210) |

## What reviewers say

### D

[App page](https://appshunter.io/ios/app/d-view/id6746958016)

**Features:** macOS Compatibility

**In-app purchases:** none


### ZYPUSON

[App page](https://appshunter.io/ios/app/zypuson/id6754679192)

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

**In-app purchases:** none


## Frequently asked questions

### Is D free?

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

### Is ZYPUSON free?

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

### Do D or ZYPUSON have ads?

Neither D nor ZYPUSON shows ads.

### Which is updated more often, D or ZYPUSON?

D ships an update every 2 months, and ZYPUSON weekly. Most recently, D was updated on September 13, 2026 and ZYPUSON on September 11, 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.*