# Yondazo vs 数字沧州

The clearest difference is in-app purchases: Yondazo at none against 数字沧州's 17. 数字沧州's advantage is update cadence (every 2 months vs every 32 months) and iOS requirement (13.0 vs 18.0). On price, ads and device support there is nothing between them.

Both are free to download. 数字沧州 sells 13 one-off in-app purchases. Yondazo asks for nothing beyond the download.

Yondazo ships an update every 32 months, 数字沧州 every 2 months. The most recent releases landed on September 22, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | Yondazo | 数字沧州 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/yondazo-reading-tracker/id1547099179/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 32 months | **Every 2 months** |
| Monetization | Ad-supported | — |
| Size | 7 MB | 129 MB |
| Requires iOS | 18.0 | **13.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | +4 | 17+ |
| Developer | [arakawa yuichiro](https://appshunter.io/developer/421879127) | [龙源数字城市(北京)科技有限公司](https://appshunter.io/developer/1484299426) |

## What reviewers say

### Yondazo

[App page](https://appshunter.io/ios/app/yondazo-reading-tracker/id1547099179)

Track your reading progress with detailed charts and insights. Log books, add notes, and visualize your reading journey over time. Offers on-device AI analysis for private habit discovery.

**Highlights:** Monthly, yearly, and all-time reading charts, On-device AI reading habit analysis, Book notes, ratings, and genre tagging, Visual bookshelf with cover grid or list view, Barcode scanning for quick book entry, Data backup and transfer

**Features:** macOS Compatibility

**In-app purchases:** none


### 数字沧州

[App page](https://appshunter.io/ios/app/id1574154708)

**Features:** macOS Compatibility

**In-app purchases (13)**

| 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 |
| 名刊会会员365天 | $29.99 | one-time |
| 数字城市会员（年） | $29.99 | one-time |
| 288杂志币 | $39.99 | one-time |
| 288杂志币 | $45.99 | one-time |
| 388杂志币 | $59.99 | one-time |
| 数字城市会员365天 | $59.99 | one-time |
| 588杂志币 | $79.99 | one-time |
| 588杂志币 | $89.99 | one-time |
| 读书会会员 | $299.99 | one-time |


## Frequently asked questions

### Is Yondazo free?

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

### Is 数字沧州 free?

数字沧州 is free to download, with in-app purchases available.

### Do Yondazo or 数字沧州 have ads?

Neither Yondazo nor 数字沧州 shows ads.

### Which is updated more often, Yondazo or 数字沧州?

Yondazo ships an update every 32 months, and 数字沧州 every 2 months. Most recently, Yondazo was updated on September 22, 2026 and 数字沧州 on September 20, 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.*