# 数字记忆 vs 数字贵阳

The clearest difference is in-app purchases: 数字记忆 at none against 数字贵阳's 8. 数字记忆 also leads on iOS requirement (11.0 vs 13.0). On price, ads and device support there is nothing between them.

Both are free to download. 数字贵阳 sells 8 one-off in-app purchases. 数字记忆 asks for nothing beyond the download.

## The numbers

| Metric | 数字记忆 | 数字贵阳 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Every 19 months |
| Size | 7 MB | 115 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [常松 逯](https://appshunter.io/developer/1566768972) | [龙源数字城市(北京)科技有限公司](https://appshunter.io/developer/1484299426) |

## What reviewers say

### 数字记忆

[App page](https://appshunter.io/ios/app/id6446014719)

**Features:** macOS Compatibility

**In-app purchases:** none


### 数字贵阳

[App page](https://appshunter.io/ios/app/id6471634277)

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

**In-app purchases (8)**

| 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 |
| 198个杂志币 | $29.99 | one-time |
| 数字城市会员（年） | $29.99 | one-time |
| 288个杂志币 | $39.99 | one-time |
| 388个杂志币 | $59.99 | one-time |
| 588个杂志币 | $79.99 | one-time |


## Frequently asked questions

### Is 数字记忆 free?

数字记忆 is free to download, with no in-app purchases.

### Is 数字贵阳 free?

数字贵阳 is free to download, with in-app purchases available.

### Do 数字记忆 or 数字贵阳 have ads?

Neither 数字记忆 nor 数字贵阳 shows ads.

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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.*