# NPD知识普及 vs SooFlow

The clearest difference is price: SooFlow at Free against NPD知识普及's $0.99. SooFlow also leads on update cadence (every 2 weeks vs every 7 months). NPD知识普及's advantage is in-app purchases (none vs 2). On review sentiment, ads, device support and iOS requirement there is nothing between them.

SooFlow is free to download; NPD知识普及 costs $0.99 up front. SooFlow sells 2 in-app purchases, starting at $0.99 per month. NPD知识普及 asks for nothing beyond the download.

NPD知识普及 ships an update every 7 months, SooFlow every 2 weeks. The most recent releases landed on October 28, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | NPD知识普及 | SooFlow |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/sooflow-easy-stretch-routine/id6760694159/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 2 weeks** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 3 MB | 156 MB |
| Requires iOS | 18.5 | **17.0** |
| Devices | iPhone, iPad | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Guangdong Jianchuan Information Technology Co., Ltd](https://appshunter.io/developer/1822428404) | [晨仪 费](https://appshunter.io/developer/1716052709) |

## What reviewers say

### NPD知识普及

[App page](https://appshunter.io/ios/app/npd/id6749845582)

This app provides comprehensive knowledge, assessment, coping strategies, and support for individuals interested in Narcissistic Personality Disorder (NPD). It draws from psychological research and clinical experience to help users understand NPD and find professional assistance.

**Highlights:** NPD knowledge base, Self-assessment tools, Coping strategy guidance, Professional support resources, Based on psychological research, Clinical practice experience

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

**In-app purchases:** none


### SooFlow

[App page](https://appshunter.io/ios/app/sooflow-easy-stretch-routine/id6760694159)

This app offers guided 3-minute stretching routines led by a virtual red panda companion. It's designed for various moments like waking up, desk breaks, or winding down, and is accessible on Apple Watch for hands-free use.

**Highlights:** 3-minute guided stretching sessions, Virtual red panda companion (Sooli), Apple Watch integration for hands-free use, Customizable routines based on needs, Daily reminders and habit tracking, Syncs with Apple Health

**Features:** macOS Compatibility, Family Sharing, Apple Watch app, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SooFlow Pro Monthly | $0.99 | per month |
| SooFlow Pro Yearly | $9.99 | per year |


## Frequently asked questions

### Is NPD知识普及 free?

NPD知识普及 costs $0.99, with no in-app purchases.

### Is SooFlow free?

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

### Do NPD知识普及 or SooFlow have ads?

Neither NPD知识普及 nor SooFlow shows ads.

### Which is updated more often, NPD知识普及 or SooFlow?

NPD知识普及 ships an update every 7 months, and SooFlow every 2 weeks. Most recently, NPD知识普及 was updated on October 28, 2026 and SooFlow on October 14, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*