# 内蒙君正E vs Atlas Winds

The clearest difference is in-app purchases: 内蒙君正E at none against Atlas Winds's 2. 内蒙君正E also leads on iOS requirement (8.0 vs 17.6). On price, ads and device support there is nothing between them.

Both are free to download. Atlas Winds sells 2 in-app purchases, starting at $1.99 per month. 内蒙君正E asks for nothing beyond the download.

## The numbers

| Metric | 内蒙君正E | Atlas Winds |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.7 (21 ratings)](https://appshunter.io/ios/app/atlas-winds/id1540515755/reviews)** |
| Number of ratings | — | **21** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Weekly |
| Monetization | — | Free with in-app purchases |
| Size | 183 MB | 14 MB |
| Requires iOS | **8.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Inner Mongolia Junzheng Energy & Chemical Group Co., Ltd.](https://appshunter.io/developer/1513865799) | [Scott Brenner](https://appshunter.io/developer/1458439440) |

## What reviewers say

### 内蒙君正E

[App page](https://appshunter.io/ios/app/e-mobile/id1513865800)

**Features:** macOS Compatibility

**In-app purchases:** none


### Atlas Winds

[App page](https://appshunter.io/ios/app/atlas-winds/id1540515755)

Calculate approach wind additives for specific Boeing aircraft models. Input runway winds in knots or meters per second to get your wind additive in knots.

**Highlights:** Calculate approach wind additives, Supports 737, 747, 767, 777 fleets, Input winds in knots or m/s, Output wind additive in knots

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $1.99 | per month |
| Annual | $9.99 | per year |


## Frequently asked questions

### Is 内蒙君正E free?

内蒙君正E is free to download, with no in-app purchases.

### Is Atlas Winds free?

Atlas Winds is free to download, with in-app purchases available.

### Do 内蒙君正E or Atlas Winds have ads?

Neither 内蒙君正E nor Atlas Winds 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.*