# 数字保定 vs 嘉达骑士

The clearest difference is in-app purchases: 嘉达骑士 at none against 数字保定's 9. 嘉达骑士 also leads on update cadence (every 3 days vs every 17 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. 数字保定 sells 9 one-off in-app purchases. 嘉达骑士 asks for nothing beyond the download.

数字保定 ships an update every 17 months, 嘉达骑士 every 3 days. The most recent releases landed on November 3, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | 数字保定 | 嘉达骑士 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 17 months | **Every 3 days** |
| Size | 137 MB | 83 MB |
| Requires iOS | 15.6 | **14.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [龙源数字城市(北京)科技有限公司](https://appshunter.io/developer/1484299426) | [Shanghai Shangjia Logistics Co., Ltd.](https://appshunter.io/developer/1437796899) |

## What reviewers say

### 数字保定

[App page](https://appshunter.io/ios/app/id1583907147)

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

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 6杂志币 | $0.99 | one-time |
| 数字城市会员（月） | $2.99 | one-time |
| 88杂志币 | $12.99 | one-time |
| 198杂志币 | $29.99 | one-time |
| 数字城市会员（年） | $29.99 | one-time |
| 288杂志币 | $39.99 | one-time |
| 388杂志币 | $59.99 | one-time |
| 588杂志币 | $79.99 | one-time |
| 读书会会员 | $299.99 | one-time |


### 嘉达骑士

[App page](https://appshunter.io/ios/app/id6478258367)

**In-app purchases:** none


## Frequently asked questions

### Is 数字保定 free?

数字保定 is free to download, with in-app purchases available.

### Is 嘉达骑士 free?

嘉达骑士 is free to download, with no in-app purchases.

### Do 数字保定 or 嘉达骑士 have ads?

Neither 数字保定 nor 嘉达骑士 shows ads.

### Which is updated more often, 数字保定 or 嘉达骑士?

数字保定 ships an update every 17 months, and 嘉达骑士 every 3 days. Most recently, 数字保定 was updated on November 3, 2026 and 嘉达骑士 on November 4, 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.*