# 4S站 vs 保信拍卖

The clearest difference is update cadence: 4S站 at fortnightly against 保信拍卖's every 9 months. 4S站 also leads on iOS requirement (8.0 vs 12.0). 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.

4S站 ships an update fortnightly, 保信拍卖 every 9 months. The most recent releases landed on October 13, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | 4S站 | 保信拍卖 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 9 months |
| Size | 110 MB | 35 MB |
| Requires iOS | **8.0** | 12.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [鼎配通电子商务(上海)有限公司](https://appshunter.io/developer/1040722644) | [Hangzhou Xinru Paimai Co., Ltd](https://appshunter.io/developer/1500996564) |

## What reviewers say

### 4S站

[App page](https://appshunter.io/ios/app/4s/id1106345114)

**Features:** macOS Compatibility

**In-app purchases:** none


### 保信拍卖

[App page](https://appshunter.io/ios/app/id1500996565)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 4S站 free?

4S站 is free to download, with no in-app purchases.

### Is 保信拍卖 free?

保信拍卖 is free to download, with no in-app purchases.

### Do 4S站 or 保信拍卖 have ads?

Neither 4S站 nor 保信拍卖 shows ads.

### Which is updated more often, 4S站 or 保信拍卖?

4S站 ships an update fortnightly, and 保信拍卖 every 9 months. Most recently, 4S站 was updated on October 13, 2026 and 保信拍卖 on September 24, 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.*