# 3DDenim vs K1

3DDenim and K1 are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

3DDenim ships an update every 18 months, K1 every 13 months. The most recent releases landed on October 11, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | 3DDenim | K1 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 18 months | **Every 13 months** |
| Size | 64 MB | 64 MB |
| Requires iOS | 11.0 | 11.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Yongcui HU](https://appshunter.io/developer/1537577154) | [XIAOZHONG MA](https://appshunter.io/developer/1667250115) |

## What reviewers say

### 3DDenim

[App page](https://appshunter.io/ios/app/3ddenim/id1537577152)

**Features:** macOS Compatibility

**In-app purchases:** none


### K1

[App page](https://appshunter.io/ios/app/k1/id1667250113)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 3DDenim free?

3DDenim is free to download, with no in-app purchases.

### Is K1 free?

K1 is free to download, with no in-app purchases.

### Do 3DDenim or K1 have ads?

Neither 3DDenim nor K1 shows ads.

### Which is updated more often, 3DDenim or K1?

3DDenim ships an update every 18 months, and K1 every 13 months. Most recently, 3DDenim was updated on October 11, 2026 and K1 on October 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.*