# 奇城 vs 嗖嗖Fly

The clearest difference is device support: 嗖嗖Fly at 2 against 奇城's —. 奇城'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 | 奇城 | 嗖嗖Fly |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/fly/id6708228548/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | — | Yes |
| Update frequency | — | Fortnightly |
| Monetization | — | Free |
| Size | 162 MB | 124 MB |
| Requires iOS | **10.0** | 13.0 |
| Devices | — | **iPhone, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [ShanTou City Vison Electronictechnology Co., Ltd.](https://appshunter.io/developer/1388222999) | [北京安擎智飞科技有限公司](https://appshunter.io/developer/1769867334) |

## What reviewers say

### 奇城

[App page](https://appshunter.io/ios/app/id6448974285)

**In-app purchases:** none


### 嗖嗖Fly

[App page](https://appshunter.io/ios/app/fly/id6708228548)

This app uses advanced algorithms to scan the sky and identify satellite orbits in real-time. It offers a 3D visualization of constellations and allows users to generate personalized posters of their findings. It's designed for users interested in space technology and celestial observation.

**Highlights:** One-click sky scanning, Real-time satellite orbit tracking, 3D constellation visualization, Personalized 'sky scan' posters, Integration with Beidou/GPS data, Optimized scanning algorithms

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

**In-app purchases:** none


## Frequently asked questions

### Is 奇城 free?

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

### Is 嗖嗖Fly free?

嗖嗖Fly 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.*