# 乾坤爻 vs 漂流瓶3D

The clearest difference is price: 乾坤爻 at Free against 漂流瓶3D's $0.99. 乾坤爻 also leads on in-app purchases (none vs 6) and iOS requirement (11.0 vs 15.0). On update cadence, ads and device support there is nothing between them.

乾坤爻 is free to download; 漂流瓶3D costs $0.99 up front. 漂流瓶3D sells 6 in-app purchases, starting at $0.99 per 7 days. 乾坤爻 asks for nothing beyond the download.

Both ship on a similar rhythm, roughly monthly. The most recent releases landed on October 7, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | 乾坤爻 | 漂流瓶3D |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Positive reviews | — | 75.6% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | Monthly |
| Monetization | — | Free with in-app purchases |
| Size | 37 MB | 503 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [小龙 范](https://appshunter.io/developer/1383608388) | [莉 李](https://appshunter.io/developer/1720310738) |

## What reviewers say

### 乾坤爻

[App page](https://appshunter.io/ios/app/id1263803558)

**Features:** macOS Compatibility

**In-app purchases:** none


### 漂流瓶3D

[App page](https://appshunter.io/ios/app/3d/id6752319887)

Discover messages in virtual bottles washed ashore on a vast coastline. Connect with strangers worldwide through heartfelt notes and untold stories. Embark on a seaside adventure and experience unique human encounters.

**Highlights:** Send and receive virtual bottle messages, Explore a virtual coastline, Connect with people globally, Discover stranger's thoughts and secrets, Unique human encounters

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 周会员 | $0.99 | per 7 days |
| 月会员 | $4.99 | per month |
| 星光礼包 | $2.99 | one-time |
| 海风礼包 | $9.99 | one-time |
| 流云礼包 | $24.99 | one-time |
| 永久会员 | $29.99 | one-time |


## Frequently asked questions

### Is 乾坤爻 free?

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

### Is 漂流瓶3D free?

漂流瓶3D costs $0.99, and also offers in-app purchases.

### Do 乾坤爻 or 漂流瓶3D have ads?

Neither 乾坤爻 nor 漂流瓶3D shows ads.

### Which is updated more often, 乾坤爻 or 漂流瓶3D?

乾坤爻 ships an update monthly, and 漂流瓶3D monthly. Most recently, 乾坤爻 was updated on October 7, 2026 and 漂流瓶3D on October 28, 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.*