# 焊林院 vs 电建e认证

The clearest difference is device support: 焊林院 at 3 against 电建e认证's —. 电建e认证's advantage is iOS requirement (10.0 vs 13.0). On price 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 | 焊林院 | 电建e认证 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | — |
| Update frequency | Monthly | — |
| Size | 61 MB | 62 MB |
| Requires iOS | 13.0 | **10.0** |
| Devices | **iPhone, iPad, iPod** | — |
| Age rating | 4+ | 17+ |
| Developer | [Shanghai KongDe IT Co., LTD.](https://appshunter.io/developer/1235370082) | [中国电力建设股份有限公司](https://appshunter.io/developer/1447354581) |

## What reviewers say

### 焊林院

[App page](https://appshunter.io/ios/app/id1235370083)

**Features:** macOS Compatibility

**In-app purchases:** none


### 电建e认证

[App page](https://appshunter.io/ios/app/e/id6453123359)

**In-app purchases:** none


## Frequently asked questions

### Is 焊林院 free?

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

### Is 电建e认证 free?

电建e认证 is free to download, with no in-app purchases.

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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.*