# 油耗助手 vs 投屏易传

油耗助手 and 投屏易传 are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | 油耗助手 | 投屏易传 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | — | Every 2 weeks |
| Size | 16 MB | 21 MB |
| Requires iOS | **16** | 16.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [燕梅 高](https://appshunter.io/developer/1860144880) | [鑫 李](https://appshunter.io/developer/1882426033) |

## What reviewers say

### 油耗助手

[App page](https://appshunter.io/ios/app/id6756772003)

**Features:** macOS Compatibility

**In-app purchases:** none


### 投屏易传

[App page](https://appshunter.io/ios/app/id6760119481)

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

**In-app purchases:** none


## Frequently asked questions

### Is 油耗助手 free?

油耗助手 is free to download, with no in-app purchases.

### Is 投屏易传 free?

投屏易传 is free to download, with no in-app purchases.

### Do 油耗助手 or 投屏易传 have ads?

Both 油耗助手 and 投屏易传 show ads.

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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.*