# 沙丁鱼星球 vs 观涛云信

The clearest difference is update cadence: 观涛云信 at fortnightly against 沙丁鱼星球's every 5 weeks. 沙丁鱼星球's advantage is iOS requirement (11.0 vs 15.5). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

沙丁鱼星球 ships an update every 5 weeks, 观涛云信 fortnightly. The most recent releases landed on October 13, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | 沙丁鱼星球 | 观涛云信 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Fortnightly** |
| Size | 189 MB | 156 MB |
| Requires iOS | **11.0** | 15.5 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [无锡淘神灯科技有限公司](https://appshunter.io/developer/1503443797) | [安徽观涛软件科技集团有限公司](https://appshunter.io/developer/1708542342) |

## What reviewers say

### 沙丁鱼星球

[App page](https://appshunter.io/ios/app/id1503443798)

**In-app purchases:** none


### 观涛云信

[App page](https://appshunter.io/ios/app/id6480368441)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 沙丁鱼星球 free?

沙丁鱼星球 is free to download, with no in-app purchases.

### Is 观涛云信 free?

观涛云信 is free to download, with no in-app purchases.

### Do 沙丁鱼星球 or 观涛云信 have ads?

Neither 沙丁鱼星球 nor 观涛云信 shows ads.

### Which is updated more often, 沙丁鱼星球 or 观涛云信?

沙丁鱼星球 ships an update every 5 weeks, and 观涛云信 fortnightly. Most recently, 沙丁鱼星球 was updated on October 13, 2026 and 观涛云信 on September 30, 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.*