# 四五艺术 vs IPTAG

The clearest difference is in-app purchases: IPTAG at none against 四五艺术's 10. 四五艺术's advantage is update cadence (every 3 days vs weekly) and iOS requirement (11.0 vs 15.0). On price, ads and device support there is nothing between them.

Both are free to download. 四五艺术 sells 10 one-off in-app purchases. IPTAG asks for nothing beyond the download.

四五艺术 ships an update every 3 days, IPTAG weekly. The most recent releases landed on October 13, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | 四五艺术 | IPTAG |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (2 ratings)](https://appshunter.io/ios/app/id6499252822/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 28.6% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 days** | Weekly |
| Size | 92 MB | 263 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 12+ | 17+ |
| Developer | [北京振珊文化传媒有限公司](https://appshunter.io/developer/1742913616) | [海南潮卡科技有限公司](https://appshunter.io/developer/1840335899) |

## What reviewers say

### 四五艺术

[App page](https://appshunter.io/ios/app/id6499252822)

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 苍荧生息 | $0.99 | one-time |
| 担生劫狱 | $0.99 | one-time |
| 洞庭斩蛇 | $0.99 | one-time |
| 湖中骑士 | $0.99 | one-time |
| 靡菲斯 | $0.99 | one-time |
| 佳人敛黛 | $0.99 | one-time |
| 燃烧 | $0.99 | one-time |
| 夜勤人 | $0.99 | one-time |
| 蔚蓝回响 | $0.99 | one-time |
| 战争机器 | $0.99 | one-time |


### IPTAG

[App page](https://appshunter.io/ios/app/iptag/id6752638738)

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

**In-app purchases:** none


## Frequently asked questions

### Is 四五艺术 free?

四五艺术 is free to download, with in-app purchases available.

### Is IPTAG free?

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

### Do 四五艺术 or IPTAG have ads?

Neither 四五艺术 nor IPTAG shows ads.

### Which is updated more often, 四五艺术 or IPTAG?

四五艺术 ships an update every 3 days, and IPTAG weekly. Most recently, 四五艺术 was updated on October 13, 2026 and IPTAG on October 10, 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.*