# 龙口掌上公交 vs 山能e学

The clearest difference is update cadence: 山能e学 at every 6 days against 龙口掌上公交'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.

龙口掌上公交 ships an update every 2 months, 山能e学 every 6 days. The most recent releases landed on September 23, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | 龙口掌上公交 | 山能e学 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 6 days** |
| Size | 70 MB | 137 MB |
| Requires iOS | 11.0 | 11.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ShanDong HengYu Electronics Co,LTD](https://appshunter.io/developer/966059900) | [Shandong Energy Group Co., Ltd.](https://appshunter.io/developer/1313593572) |

## What reviewers say

### 龙口掌上公交

[App page](https://appshunter.io/ios/app/id1494258465)

**Features:** macOS Compatibility

**In-app purchases:** none


### 山能e学

[App page](https://appshunter.io/ios/app/e/id6450068426)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 龙口掌上公交 free?

龙口掌上公交 is free to download, with no in-app purchases.

### Is 山能e学 free?

山能e学 is free to download, with no in-app purchases.

### Do 龙口掌上公交 or 山能e学 have ads?

Neither 龙口掌上公交 nor 山能e学 shows ads.

### Which is updated more often, 龙口掌上公交 or 山能e学?

龙口掌上公交 ships an update every 2 months, and 山能e学 every 6 days. Most recently, 龙口掌上公交 was updated on September 23, 2026 and 山能e学 on September 17, 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.*