# NPD知识普及 vs Affirmations

The clearest difference is price: Affirmations at Free against NPD知识普及's $0.99. Affirmations also leads on update cadence (every 3 weeks vs every 7 months) and iOS requirement (16.6 vs 18.5). NPD知识普及's advantage is in-app purchases (none vs 4) and ads (none vs shown). On device support there is nothing between them.

Affirmations is free to download; NPD知识普及 costs $0.99 up front. Affirmations sells 4 in-app purchases, starting at $9.99 per 7 days. NPD知识普及 asks for nothing beyond the download.

NPD知识普及 ships an update every 7 months, Affirmations every 3 weeks. The most recent releases landed on November 5, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | NPD知识普及 | Affirmations |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | — | **[4.4 (5 ratings)](https://appshunter.io/ios/app/affirmations-manifest-key/id6761446489/reviews)** |
| Number of ratings | — | **5** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 7 months | **Every 3 weeks** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 3 MB | 118 MB |
| Requires iOS | 18.5 | **16.6** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Guangdong Jianchuan Information Technology Co., Ltd](https://appshunter.io/developer/1822428404) | [Heyuan Play Together Technology Co.,Ltd](https://appshunter.io/developer/1813791670) |

## 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


### Affirmations

[App page](https://appshunter.io/ios/app/affirmations-manifest-key/id6761446489)

This app helps you reclaim your focus from digital distractions and align your phone usage with your life goals. It provides a structured system for daily manifestation, including app locking, affirmations, and intention setting to build consistency and achieve desired outcomes.

**Highlights:** Lock distracting apps, Daily affirmations and visualization, Set clear daily intentions, Build lasting discipline, Track habits and progress, Multiple manifestation themes, Log mood and energy

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $9.99 | per 7 days |
| Monthly | $9.99 | per month |
| Yearly | $19.99 | per year |
| Yearly | $39.99 | 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 Affirmations free?

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

### Do NPD知识普及 or Affirmations have ads?

Affirmations shows ads; NPD知识普及 does not.

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

NPD知识普及 ships an update every 7 months, and Affirmations every 3 weeks. Most recently, NPD知识普及 was updated on November 5, 2026 and Affirmations on October 31, 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.*