# PD Meter vs 辰时八字排盘

The clearest difference is review sentiment: 辰时八字排盘 at 93% against PD Meter's 25%. 辰时八字排盘 also leads on rating (4.8 vs 2.0) and ratings volume (1K vs 4). PD Meter's advantage is in-app purchases (none vs 4) and iOS requirement (11.0 vs 17). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. 辰时八字排盘 sells 4 in-app purchases, starting at $4.99 per month. PD Meter asks for nothing beyond the download.

辰时八字排盘 holds the better App Store score, 4.8 against 2.0. That said, the two scores are not equally well evidenced: 辰时八字排盘 has 1K ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 25% of PD Meter's written reviews are positive against 93% of 辰时八字排盘's.

PD Meter ships an update monthly, 辰时八字排盘 every 3 weeks. The most recent releases landed on October 5, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | PD Meter | 辰时八字排盘 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.0 (4 ratings)](https://appshunter.io/ios/app/pd-meter/id1497268134/reviews) | **[4.8 (1K ratings)](https://appshunter.io/ios/app/id6468569619/reviews)** |
| Number of ratings | 4 | **1K** |
| Positive reviews | 25.0% of reviews | **92.7% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 3 weeks** |
| Monetization | **Free** | Subscription |
| Size | 93 MB | 198 MB |
| Requires iOS | **11.0** | 17 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [杭州美戴科技有限公司](https://appshunter.io/developer/1123653009) | [Shanghai Yidudu Technology Co., Ltd.](https://appshunter.io/developer/1862062047) |

## What reviewers say

### PD Meter

[App page](https://appshunter.io/ios/app/pd-meter/id1497268134)

This application uses AI technology to measure interpupillary distance accurately. It offers a contactless method for measurement, avoiding close proximity required by traditional devices. Users can manually correct any AI recognition errors for precise results.

**Highlights:** AI-powered binocular interpupillary measurement, Contactless measurement method, High accuracy (0.1mm), Manual error correction, Supports FPD and NPD measurements

**Features:** macOS Compatibility

**In-app purchases:** none


### 辰时八字排盘

[App page](https://appshunter.io/ios/app/id6468569619)

This app offers comprehensive Chinese astrology analysis, providing detailed birth chart readings and fortune predictions. It caters to both beginners and professional astrologers with various analytical tools and personalized insights into destiny.

**Highlights:** Detailed birth chart information, Basic and professional chart analysis, Personalized fortune calendar, Customizable chart settings, Visual stem-branch diagrams, Classical text interpretations, Five-element analysis, Fortune and destiny trend analysis

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 按月订阅 | $4.99 | per month |
| 季度订阅 | $12.99 | per 3 months |
| 按年订阅 | $29.99 | per year |
| 永久会员 | $39.99 | one-time |

**What reviewers like**

- 👍 Accurate
- 👍 Very useful
- 👍 Detailed and comprehensive
- 👍 Convenient and easy to use
- 👍 Helpful information

**What reviewers complain about**

- 🐛 Inaccurate information
- 💰 Requires payment for full access
- 🔒 Forced 5-star reviews to continue using

**Reported bugs**

- Difficulty saving user profiles
- Incompatibility with older devices

**Requested features**

- Add more overseas birth location options
- Improve the saving of user profiles


## Frequently asked questions

### Is PD Meter free?

PD Meter is free to download, with no in-app purchases.

### Is 辰时八字排盘 free?

辰时八字排盘 is free to download, with in-app purchases available.

### Which has better reviews, PD Meter or 辰时八字排盘?

辰时八字排盘 is rated higher. PD Meter averages 2.0 out of 5 from 4 ratings, while 辰时八字排盘 averages 4.8 from 1K ratings.

### Do PD Meter or 辰时八字排盘 have ads?

Neither PD Meter nor 辰时八字排盘 shows ads.

### Which is updated more often, PD Meter or 辰时八字排盘?

PD Meter ships an update monthly, and 辰时八字排盘 every 3 weeks. Most recently, PD Meter was updated on October 5, 2026 and 辰时八字排盘 on October 15, 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.*