# 一元能源 vs Polying

The clearest difference is device support: Polying at 4 against 一元能源's 2. 一元能源's advantage is iOS requirement (12.0 vs 15.0). On price, ads and in-app purchases there is nothing between them.

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

## The numbers

| Metric | 一元能源 | Polying |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.2 (5 ratings)](https://appshunter.io/ios/app/polying/id6471041609/reviews)** |
| Number of ratings | — | **5** |
| Positive reviews | — | 40.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Every 2 weeks |
| Monetization | — | Free |
| Size | 30 MB | 92 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [宁波沙塔信息技术有限公司](https://appshunter.io/developer/1334119866) | [深圳艾斯特创新科技有限公司](https://appshunter.io/developer/1405370693) |

## What reviewers say

### 一元能源

[App page](https://appshunter.io/ios/app/id6467384444)

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

**In-app purchases:** none


### Polying

[App page](https://appshunter.io/ios/app/polying/id6471041609)

Connect and control Bluetooth smart devices with your phone. Monitor device status, adjust settings, and receive automatic firmware updates. Seamless interaction with your smart gadgets.

**Highlights:** Bind Bluetooth smart devices, Display device status, Modify device parameters, Automatic firmware upgrades, Interact with devices via phone

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is 一元能源 free?

一元能源 is free to download, with no in-app purchases.

### Is Polying free?

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

### Do 一元能源 or Polying have ads?

Neither 一元能源 nor Polying shows 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.*