# 拾音螺 vs 空间情书

The clearest difference is in-app purchases: 空间情书 at none against 拾音螺's 3. 空间情书 also leads on update cadence (every 3 days vs fortnightly). 拾音螺's advantage is iOS requirement (12.0 vs 18.0). On price, ads and device support there is nothing between them.

Both are free to download. 拾音螺 sells 3 in-app purchases, starting at $0.99 per 7 days. 空间情书 asks for nothing beyond the download.

拾音螺 ships an update fortnightly, 空间情书 every 3 days. The most recent releases landed on October 18, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | 拾音螺 | 空间情书 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 3 days** |
| Size | 41 MB | 3 MB |
| Requires iOS | **12.0** | 18.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [广州策翁企业管理咨询有限公司](https://appshunter.io/developer/1720686636) | [波 李](https://appshunter.io/developer/1885419033) |

## What reviewers say

### 拾音螺

[App page](https://appshunter.io/ios/app/id6478998431)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 7天会员权益 | $0.99 | per 7 days |
| 30天SVIP权益 | $2.99 | per month |
| 365天SVIP | $19.99 | per year |


### 空间情书

[App page](https://appshunter.io/ios/app/id6761646671)

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

**In-app purchases:** none


## Frequently asked questions

### Is 拾音螺 free?

拾音螺 is free to download, with in-app purchases available.

### Is 空间情书 free?

空间情书 is free to download, with no in-app purchases.

### Do 拾音螺 or 空间情书 have ads?

Neither 拾音螺 nor 空间情书 shows ads.

### Which is updated more often, 拾音螺 or 空间情书?

拾音螺 ships an update fortnightly, and 空间情书 every 3 days. Most recently, 拾音螺 was updated on October 18, 2026 and 空间情书 on October 14, 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.*