# 牛听听 vs KKDKKD

The clearest difference is rating: KKDKKD at 4.3 against 牛听听's 2.6. KKDKKD also leads on in-app purchases (none vs 6) and ads (none vs shown). 牛听听's advantage is ratings volume (34 vs 4). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. 牛听听 sells 6 one-off in-app purchases. KKDKKD asks for nothing beyond the download.

KKDKKD holds the better App Store score, 4.3 against 2.6. That said, the two scores are not equally well evidenced: 牛听听 has 34 ratings behind it against 4, so its average is the more settled of the two.

牛听听 ships an update every 3 weeks, KKDKKD monthly. The most recent releases landed on September 24, 2026 and June 4, 2026 respectively.

## The numbers

| Metric | 牛听听 | KKDKKD |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.6 (34 ratings)](https://appshunter.io/ios/app/id1068680477/reviews) | **[4.3 (4 ratings)](https://appshunter.io/ios/app/kkdkkd/id1474465767/reviews)** |
| Number of ratings | **34** | 4 |
| Positive reviews | 76.9% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 3 weeks** | Monthly |
| Monetization | — | Free |
| Size | 306 MB | 112 MB |
| Requires iOS | **13** | 13.4 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [深圳市本牛科技有限责任公司](https://appshunter.io/developer/1068680476) | [Tianxing Innovation Technology Co., Ltd.](https://appshunter.io/developer/1457670318) |

## What reviewers say

### 牛听听

[App page](https://appshunter.io/ios/app/id1068680477)

**Features:** macOS Compatibility

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 2400牛币 | $1.99 | one-time |
| 5600牛币 | $3.99 | one-time |
| 17600牛币 | $12.99 | one-time |
| 21600牛币 | $15.99 | one-time |
| 41600牛币 | $30.99 | one-time |
| 61600牛币 | $44.99 | one-time |


### KKDKKD

[App page](https://appshunter.io/ios/app/kkdkkd/id1474465767)

Learn programming through interactive building blocks and gamified challenges. This app guides you through constructing and coding intelligent models, fostering interest in STEM concepts with engaging levels and rewards.

**Highlights:** Gamified programming learning, Digital building instructions, Graphical programming interface, Control building block models, Unlock medals and rewards, Gravity sensing mode

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 牛听听 free?

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

### Is KKDKKD free?

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

### Which has better reviews, 牛听听 or KKDKKD?

KKDKKD is rated higher. 牛听听 averages 2.6 out of 5 from 34 ratings, while KKDKKD averages 4.3 from 4 ratings.

### Do 牛听听 or KKDKKD have ads?

牛听听 shows ads; KKDKKD does not.

### Which is updated more often, 牛听听 or KKDKKD?

牛听听 ships an update every 3 weeks, and KKDKKD monthly. Most recently, 牛听听 was updated on September 24, 2026 and KKDKKD on June 4, 2026.

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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.*