# 蓝色漂流瓶信 vs 51吃瓜网

The clearest difference is in-app purchases: 51吃瓜网 at none against 蓝色漂流瓶信's 12. 蓝色漂流瓶信's advantage is iOS requirement (11.0 vs 13.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. 蓝色漂流瓶信 sells 12 one-off in-app purchases. 51吃瓜网 asks for nothing beyond the download.

蓝色漂流瓶信 ships an update fortnightly, 51吃瓜网 every 10 days. The most recent releases landed on October 14, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | 蓝色漂流瓶信 | 51吃瓜网 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (197 ratings)](https://appshunter.io/ios/app/id6447087374/reviews)** | — |
| Number of ratings | **197** | — |
| Positive reviews | 99.1% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 10 days** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 122 MB | 55 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 12+ |
| Developer | [亚楠 高](https://appshunter.io/developer/1678905215) | [wuji](https://appshunter.io/developer/1896651205) |

## What reviewers say

### 蓝色漂流瓶信

[App page](https://appshunter.io/ios/app/id6447087374)

This app offers a pure, ad-free text-based chat experience. Connect with complete strangers and gradually build connections through simple conversations. It's designed for casual chats and getting to know new people.

**Highlights:** Ad-free experience, Pure text chat, Connect with strangers, Build connections, Casual conversations

**In-app purchases (12)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 3元银币 | $0.99 | one-time |
| 6元银币 | $0.99 | one-time |
| 6元的元宝 | $0.99 | one-time |
| 12元银币 | $1.99 | one-time |
| 12元的元宝 | $1.99 | one-time |
| 30元会员首充 | $3.99 | one-time |
| 30元银币 | $3.99 | one-time |
| 30元30天会员 | $3.99 | one-time |
| 28元银币 | $3.99 | one-time |
| 30元的元宝 | $3.99 | one-time |
| 60元银币 | $8.99 | one-time |
| 60元的元宝 | $8.99 | one-time |

**What reviewers like**

- 👍 Good overall experience
- 👍 Very good
- 👍 Nice
- 👍 Easy to use
- 👍 Fun to play

**What reviewers complain about**

- 😞 Requires payment to play
- 😞 Demands good reviews
- 😞 Not good, asks for good reviews
- 😞 Garbage software

**Reported bugs**

- Occasional crashes
- Login issues
- App freezes

**Requested features**

- More content for free users
- Improved user interface


### 51吃瓜网

[App page](https://appshunter.io/ios/app/51/id6769342059)

Discover trending entertainment news, viral videos, and engaging community discussions. Access a vast encyclopedia of knowledge and enjoy in-depth recaps of popular movies and dramas. Connect with like-minded users in an interactive social space.

**Highlights:** Trend Tracking, Viral Videos, Encyclopedia, Story Recaps, Interactive Community, Entertainment News

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

**In-app purchases:** none


## Frequently asked questions

### Is 蓝色漂流瓶信 free?

蓝色漂流瓶信 is free to download, with in-app purchases available.

### Is 51吃瓜网 free?

51吃瓜网 is free to download, with no in-app purchases.

### Do 蓝色漂流瓶信 or 51吃瓜网 have ads?

Neither 蓝色漂流瓶信 nor 51吃瓜网 shows ads.

### Which is updated more often, 蓝色漂流瓶信 or 51吃瓜网?

蓝色漂流瓶信 ships an update fortnightly, and 51吃瓜网 every 10 days. Most recently, 蓝色漂流瓶信 was updated on October 14, 2026 and 51吃瓜网 on October 11, 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.*