# NPD知识普及 vs StarPause

The clearest difference is price: StarPause at Free against NPD知识普及's $0.99. StarPause also leads on update cadence (every 5 days vs every 7 months). NPD知识普及's advantage is in-app purchases (none vs 3). On review sentiment, ads, device support and iOS requirement there is nothing between them.

StarPause is free to download; NPD知识普及 costs $0.99 up front. StarPause sells 3 in-app purchases, starting at $2.99 per month. NPD知识普及 asks for nothing beyond the download.

NPD知识普及 ships an update every 7 months, StarPause every 5 days. The most recent releases landed on October 15, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | NPD知识普及 | StarPause |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | — | **[5.0 (4 ratings)](https://appshunter.io/ios/app/starpause-stop-scrolling/id6757177033/reviews)** |
| Number of ratings | — | **4** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 5 days** |
| Monetization | Paid | **Freemium** |
| Size | 3 MB | 201 MB |
| Requires iOS | 18.5 | **17.0** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Guangdong Jianchuan Information Technology Co., Ltd](https://appshunter.io/developer/1822428404) | [Hangzhou Jihe Digital Culture and Creativity Co., Ltd.](https://appshunter.io/developer/1865089471) |

## 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


### StarPause

[App page](https://appshunter.io/ios/app/starpause-stop-scrolling/id6757177033)

This app helps you regain control over your phone usage by interrupting addictive scrolling sessions. It prompts you to consider your need for an app, allows you to set time limits, and rewards focused sessions with virtual stars. Protect your time and focus with this digital well-being tool.

**Highlights:** Interrupts addictive app usage, Prompts user to reconsider app need, Sets custom time limits, Awards stars for focus sessions, Visualizes progress with a starry sky

**Features:** Safari Extension

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| StarPaus Pro - 1 Month | $2.99 | per month |
| StarPaus Pro - 1 Year | $9.99 | per year |
| Pro Lifetime | $29.99 | one-time |


## Frequently asked questions

### Is NPD知识普及 free?

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

### Is StarPause free?

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

### Do NPD知识普及 or StarPause have ads?

Neither NPD知识普及 nor StarPause shows ads.

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

NPD知识普及 ships an update every 7 months, and StarPause every 5 days. Most recently, NPD知识普及 was updated on October 15, 2026 and StarPause on October 18, 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.*