# Workout Timer vs NPD知识普及

The clearest difference is review sentiment: NPD知识普及 at 100% against Workout Timer's 50%. NPD知识普及 also leads on in-app purchases (none vs 1). Workout Timer's advantage is price (Free vs $0.99) and update cadence (every 2 months vs every 7 months). On ads and device support there is nothing between them.

Workout Timer is free to download; NPD知识普及 costs $0.99 up front. Workout Timer sells 1 one-off in-app purchase. NPD知识普及 asks for nothing beyond the download.

Workout Timer ships an update every 2 months, NPD知识普及 every 7 months. The most recent releases landed on November 4, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Workout Timer | NPD知识普及 |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[4.0 (3 ratings)](https://appshunter.io/ios/app/workout-timer-custom-fitness/id6479897986/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 50.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 7 months |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 12 MB | 3 MB |
| Requires iOS | **16.0** | 18.5 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [书旗 莫](https://appshunter.io/developer/1497484538) | [Guangdong Jianchuan Information Technology Co., Ltd](https://appshunter.io/developer/1822428404) |

## What reviewers say

### Workout Timer

[App page](https://appshunter.io/ios/app/workout-timer-custom-fitness/id6479897986)

Create personalized fitness routines with custom intervals and voice guidance. This app supports various workout types like HIIT, yoga, and strength training, offering an intuitive interface for efficient training sessions.

**Highlights:** Custom training plan creation, Intelligent timing and voice guidance, Customizable rest intervals, Supports HIIT, yoga, and strength training, Simple and intuitive interface, Personalized fitness routines

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| VIP | $2.99 | one-time |


### 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


## Frequently asked questions

### Is Workout Timer free?

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

### Is NPD知识普及 free?

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

### Do Workout Timer or NPD知识普及 have ads?

Neither Workout Timer nor NPD知识普及 shows ads.

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

Workout Timer ships an update every 2 months, and NPD知识普及 every 7 months. Most recently, Workout Timer was updated on November 4, 2026 and NPD知识普及 on November 5, 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.*