# SERS CSKH vs PindiDong

The clearest difference is update cadence: PindiDong at daily against SERS CSKH's every 3 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.

SERS CSKH ships an update every 3 months, PindiDong daily. The most recent releases landed on October 15, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | SERS CSKH | PindiDong |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Daily** |
| Size | 33 MB | 35 MB |
| Requires iOS | 15.6 | **15.1** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 17+ |
| Developer | [CENTRAL POWER CORPORATION](https://appshunter.io/developer/1679266544) | [IoT (Shenzhen) Sharing Technology Co., Ltd](https://appshunter.io/developer/1726546490) |

## What reviewers say

### SERS CSKH

[App page](https://appshunter.io/ios/app/sers-cskh/id6736721540)

**In-app purchases:** none


### PindiDong

[App page](https://appshunter.io/ios/app/pindidong/id6743952123)

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

**In-app purchases:** none


## Frequently asked questions

### Is SERS CSKH free?

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

### Is PindiDong free?

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

### Do SERS CSKH or PindiDong have ads?

Neither SERS CSKH nor PindiDong shows ads.

### Which is updated more often, SERS CSKH or PindiDong?

SERS CSKH ships an update every 3 months, and PindiDong daily. Most recently, SERS CSKH was updated on October 15, 2026 and PindiDong on October 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.*