# UDrone vs 検定for BLACKPINK

The clearest difference is in-app purchases: 検定for BLACKPINK at none against UDrone's 10. On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. UDrone sells 10 one-off in-app purchases. 検定for BLACKPINK asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for UDrone against 5.0 for 検定for BLACKPINK. Both are backed by a comparable volume of ratings — 1 and 2 respectively.

## The numbers

| Metric | UDrone | 検定for BLACKPINK |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/udrone/id1381332255/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/for-blackpink/id1557127240/reviews) |
| Number of ratings | 1 | **2** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | — |
| Monetization | Free with in-app purchases | **Free** |
| Size | 256 MB | 21 MB |
| Requires iOS | 11.0 | 11.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Shenzhen EEGSmart Technology Co., Ltd.](https://appshunter.io/developer/1072246018) | [kai sato](https://appshunter.io/developer/1142573287) |

## What reviewers say

### UDrone

[App page](https://appshunter.io/ios/app/udrone/id1381332255)

Control a selfie drone with your mind using brain-computer interface technology. The app offers focus training courses and detailed reports to enhance your drone control experience. Enjoy hands-free operation, face tracking, and gesture-based photography.

**Highlights:** Mind control drone operation, Focus training courses, Detailed focus reports, Face tracking, Gesture photography, HD video recording

**Features:** macOS Compatibility

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 玛吉薇蒳 放松助眠 | $1.99 | one-time |
| 儿童注意力与学习能力常见问题 | $5.99 | one-time |
| 购买测评次数10次 | $15.99 | one-time |
| 小事情撬动孩子大能力 | $18.99 | one-time |
| 儿童注意力与学习能力训练 | $18.99 | one-time |
| 20分钟还你高质量睡眠 | $18.99 | one-time |
| 让你效能翻倍还能年轻10岁 | $18.99 | one-time |
| 购买测评次数20次 | $22.99 | one-time |
| 玛吉薇蒳 减压安睡宝典 | $33.99 | one-time |
| 购买测评次数50次 | $54.99 | one-time |


### 検定for BLACKPINK

[App page](https://appshunter.io/ios/app/for-blackpink/id1557127240)

Test your knowledge about the globally popular K-pop group BLACKPINK with this fun quiz. Discover new facts and deepen your appreciation for the band. It's a completely free way to engage with your favorite idols.

**Highlights:** BLACKPINK fan quiz, Test your knowledge, Learn new facts, Completely free to play, Unofficial version

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is UDrone free?

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

### Is 検定for BLACKPINK free?

検定for BLACKPINK is free to download, with no in-app purchases.

### Which has better reviews, UDrone or 検定for BLACKPINK?

UDrone and 検定for BLACKPINK are both rated 5.0 out of 5 on the App Store, from 1 and 2 ratings respectively.

### Do UDrone or 検定for BLACKPINK have ads?

Neither UDrone nor 検定for BLACKPINK 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.*