# Butterfly UFO vs RadexReadMap

The clearest difference is iOS requirement: Butterfly UFO at 8.1 against RadexReadMap's 16.0. On price, ads, in-app purchases and device support 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 | Butterfly UFO | RadexReadMap |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/butterfly-ufo/id961585565/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | — |
| Monetization | Free | — |
| Size | 113 MB | 62 MB |
| Requires iOS | **8.1** | 16.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [军年 陈](https://appshunter.io/developer/838811815) | [KVARTA-RAD, OOO](https://appshunter.io/developer/1524841481) |

## What reviewers say

### Butterfly UFO

[App page](https://appshunter.io/ios/app/butterfly-ufo/id961585565)

Control a four-axis aircraft remotely using your iOS device. View real-time video from the aircraft's camera and capture photos or videos directly to your phone.

**Highlights:** Remote control of aircraft, Real-time video streaming, Photo capture, Video recording, WiFi connectivity

**Features:** macOS Compatibility

**In-app purchases:** none


### RadexReadMap

[App page](https://appshunter.io/ios/app/radexreadmap/id6741061963)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Butterfly UFO free?

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

### Is RadexReadMap free?

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

### Do Butterfly UFO or RadexReadMap have ads?

Neither Butterfly UFO nor RadexReadMap 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.*