# 顺顺 vs YiYu

The clearest difference is price: 顺顺 at Free against YiYu's $1.99. YiYu's advantage is in-app purchases (none vs 10) and update cadence (every 4 days vs every 9 days). On ads, device support and iOS requirement there is nothing between them.

顺顺 is free to download; YiYu costs $1.99 up front. 顺顺 sells 10 one-off in-app purchases. YiYu asks for nothing beyond the download.

顺顺 ships an update every 9 days, YiYu every 4 days. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | 顺顺 | YiYu |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Rating | — | **[3.0 (2 ratings)](https://appshunter.io/ios/app/yiyu/id6786750267/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 71.4% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 9 days | **Every 4 days** |
| Monetization | — | Free with in-app purchases |
| Size | 97 MB | 15 MB |
| Requires iOS | 15.2 | **15.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 9+ | 4+ |
| Developer | [贵鑫 洪](https://appshunter.io/developer/1894008062) | [文鑫 刘](https://appshunter.io/developer/6786380400) |

## What reviewers say

### 顺顺

[App page](https://appshunter.io/ios/app/ai/id6762449849)

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| AI解答次数（20次） | $3.99 | one-time |
| 报告解锁（29.9档） | $3.99 | one-time |
| MBTI性格测试 | $3.99 | one-time |
| 瑞文智商测试 | $3.99 | one-time |
| 霍兰德职业兴趣测试 | $3.99 | one-time |
| 综合心理健康评估 | $3.99 | one-time |
| 报告解锁（39.9档） | $5.99 | one-time |
| 7天体验会员 | $5.99 | one-time |
| 一个月会员 | $12.99 | one-time |
| 1年会员 | $39.99 | one-time |


### YiYu

[App page](https://appshunter.io/ios/app/yiyu/id6786750267)

Explore Eastern Daoist culture and gain insights for self-observation and trend prediction. Create personal profiles, record observations, and learn traditional concepts. Use tools for analysis and reflection, not definitive judgments.

**Highlights:** Personal profile creation, Observation journaling, Traditional culture learning, Astrology and divination tools, AI-powered dialogue and analysis, Trend prediction assistance

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

**In-app purchases:** none


## Frequently asked questions

### Is 顺顺 free?

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

### Is YiYu free?

YiYu costs $1.99, with no in-app purchases.

### Do 顺顺 or YiYu have ads?

Neither 顺顺 nor YiYu shows ads.

### Which is updated more often, 顺顺 or YiYu?

顺顺 ships an update every 9 days, and YiYu every 4 days. Most recently, 顺顺 was updated on October 24, 2026 and YiYu on October 25, 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.*