# 灰豚通告 vs 小红星

The clearest difference is in-app purchases: 灰豚通告 at none against 小红星's 4. 灰豚通告 also leads on ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. 小红星 sells 4 in-app purchases, starting at $4.99 per 7 days. 灰豚通告 asks for nothing beyond the download.

灰豚通告 ships an update fortnightly, 小红星 every 3 weeks. The most recent releases landed on July 28, 2026 and September 16, 2026 respectively.

## The numbers

| Metric | 灰豚通告 | 小红星 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.8 (18 ratings)](https://appshunter.io/ios/app/id6480376952/reviews)** |
| Number of ratings | — | **18** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Fortnightly** | Every 3 weeks |
| Monetization | — | Free with in-app purchases |
| Size | 92 MB | 88 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [杭州白鹭电子商务有限公司](https://appshunter.io/developer/1729041225) | [远青 谢](https://appshunter.io/developer/1705671931) |

## What reviewers say

### 灰豚通告

[App page](https://appshunter.io/ios/app/kol/id1613263680)

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

**In-app purchases:** none


### 小红星

[App page](https://appshunter.io/ios/app/id6480376952)

This AI-powered tool simplifies the creation of engaging social media notes and titles. It offers AI-generated drafts, custom persona definitions, and sensitive word detection to enhance content quality and ensure compliance. Optimize your posts with suggestions for structure, language, and depth.

**Highlights:** AI-generated note drafts, AI-powered title suggestions, Customizable user personas, Sensitive word detection, Content optimization advice, Style and rewriting tools

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 周会员 | $4.99 | per 7 days |
| 月会员 | $7.99 | per month |
| 季会员 | $12.99 | per 3 months |
| 年会员 | $29.99 | per year |


## Frequently asked questions

### Is 灰豚通告 free?

灰豚通告 is free to download, with no in-app purchases.

### Is 小红星 free?

小红星 is free to download, with in-app purchases available.

### Do 灰豚通告 or 小红星 have ads?

小红星 shows ads; 灰豚通告 does not.

### Which is updated more often, 灰豚通告 or 小红星?

灰豚通告 ships an update fortnightly, and 小红星 every 3 weeks. Most recently, 灰豚通告 was updated on July 28, 2026 and 小红星 on September 16, 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.*