# 数字郑州 vs 钦天

The clearest difference is in-app purchases: 钦天 at none against 数字郑州's 10. 数字郑州's advantage is iOS requirement (15.6 vs 17.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. 数字郑州 sells 10 one-off in-app purchases. 钦天 asks for nothing beyond the download.

数字郑州 ships an update every 3 weeks, 钦天 fortnightly. The most recent releases landed on November 3, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | 数字郑州 | 钦天 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.0 (4 ratings)](https://appshunter.io/ios/app/id1619353073/reviews)** |
| Number of ratings | — | **4** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Fortnightly** |
| Size | 138 MB | 54 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | iPhone, iPod | **iPhone, iPad, Mac** |
| Age rating | 17+ | 4+ |
| Developer | [龙源数字城市(北京)科技有限公司](https://appshunter.io/developer/1484299426) | [金标 李](https://appshunter.io/developer/1059170129) |

## What reviewers say

### 数字郑州

[App page](https://appshunter.io/ios/app/id1582117366)

**Features:** macOS Compatibility

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 6个杂志币 | $0.99 | one-time |
| 数字城市会员（月） | $2.99 | one-time |
| 88个杂志币 | $12.99 | one-time |
| 数字城市会员（年/优惠） | $14.99 | one-time |
| 数字城市会员（年） | $29.99 | one-time |
| 198个杂志币 | $29.99 | one-time |
| 288个杂志币 | $39.99 | one-time |
| 数字城市会员（年/原价） | $59.99 | one-time |
| 388个杂志币 | $59.99 | one-time |
| 588个杂志币 | $79.99 | one-time |


### 钦天

[App page](https://appshunter.io/ios/app/id1619353073)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is 数字郑州 free?

数字郑州 is free to download, with in-app purchases available.

### Is 钦天 free?

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

### Do 数字郑州 or 钦天 have ads?

Neither 数字郑州 nor 钦天 shows ads.

### Which is updated more often, 数字郑州 or 钦天?

数字郑州 ships an update every 3 weeks, and 钦天 fortnightly. Most recently, 数字郑州 was updated on November 3, 2026 and 钦天 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.*