# YinyangFlow vs Private Board

The clearest difference is in-app purchases: Private Board at none against YinyangFlow's 10. Private Board also leads on update cadence (every 2 days vs every 2 weeks). YinyangFlow's advantage is iOS requirement (16.4 vs 26.0). On price, ads and device support there is nothing between them.

Both are free to download. YinyangFlow sells 10 in-app purchases, starting at $3.99 per month. Private Board asks for nothing beyond the download.

YinyangFlow ships an update every 2 weeks, Private Board every 2 days. The most recent releases landed on October 21, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | YinyangFlow | Private Board |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/yinyangflow/id6743929899/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 92.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 2 days** |
| Monetization | Free with in-app purchases | — |
| Size | 372 MB | 34 MB |
| Requires iOS | **16.4** | 26.0 |
| Devices | iPhone | iPhone |
| Age rating | 9+ | 4+ |
| Developer | [Noonwake Technology Limited](https://appshunter.io/developer/1788847804) | [凯文 施](https://appshunter.io/developer/891704319) |

## What reviewers say

### YinyangFlow

[App page](https://appshunter.io/ios/app/yinyangflow/id6743929899)

Explore your inner self with AI-powered virtual personalities based on ancient Chinese philosophy. Understand your emotions, navigate life's challenges, and build a personalized digital companion.

**Highlights:** AI virtual personality dialogues, Ten Gods memory and growth system, Emotional energy graph, Multi-perspective AI content, In-depth thematic interpretation, Immersive digital companionship, Customizable virtual world

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 连续包月 | $3.99 | per month |
| 连续包年 | $29.99 | per year |
| 100金币 | $1.99 | one-time |
| 330金币 | $4.99 | one-time |
| 690金币 | $9.99 | one-time |
| 半年卡 | $19.99 | one-time |
| 1500金币 | $19.99 | one-time |
| 年卡 | $39.99 | one-time |
| 3800金币 | $49.99 | one-time |
| 7800金币 | $99.99 | one-time |


### Private Board

[App page](https://appshunter.io/ios/app/private-board/id6778068894)

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

**In-app purchases:** none


## Frequently asked questions

### Is YinyangFlow free?

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

### Is Private Board free?

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

### Do YinyangFlow or Private Board have ads?

Neither YinyangFlow nor Private Board shows ads.

### Which is updated more often, YinyangFlow or Private Board?

YinyangFlow ships an update every 2 weeks, and Private Board every 2 days. Most recently, YinyangFlow was updated on October 21, 2026 and Private Board on October 24, 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.*