# 海油商城 vs 超低排放

The clearest difference is update cadence: 海油商城 at monthly against 超低排放's every 2 months. 超低排放's advantage is iOS requirement (13.0 vs 15.0). 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.

海油商城 ships an update monthly, 超低排放 every 2 months. The most recent releases landed on October 17, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | 海油商城 | 超低排放 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 2 months |
| Size | 77 MB | 64 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 17+ |
| Developer | [中海油信息科技有限公司](https://appshunter.io/developer/1681553943) | [北京万维盈创科技有限公司](https://appshunter.io/developer/1680456251) |

## What reviewers say

### 海油商城

[App page](https://appshunter.io/ios/app/id1476025802)

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

**In-app purchases:** none


### 超低排放

[App page](https://appshunter.io/ios/app/id6450707174)

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

**In-app purchases:** none


## Frequently asked questions

### Is 海油商城 free?

海油商城 is free to download, with no in-app purchases.

### Is 超低排放 free?

超低排放 is free to download, with no in-app purchases.

### Do 海油商城 or 超低排放 have ads?

Neither 海油商城 nor 超低排放 shows ads.

### Which is updated more often, 海油商城 or 超低排放?

海油商城 ships an update monthly, and 超低排放 every 2 months. Most recently, 海油商城 was updated on October 17, 2026 and 超低排放 on October 8, 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.*