# 红单足球情报 vs Combo Calculator

The clearest difference is in-app purchases: Combo Calculator at none against 红单足球情报's 17. Combo Calculator also leads on update cadence (every 11 days vs every 3 weeks). 红单足球情报's advantage is ads (none vs shown) and iOS requirement (13.0 vs 15.0). On price and device support there is nothing between them.

Both are free to download. 红单足球情报 sells 17 one-off in-app purchases. Combo Calculator asks for nothing beyond the download.

红单足球情报 ships an update every 3 weeks, Combo Calculator every 11 days. The most recent releases landed on October 16, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | 红单足球情报 | Combo Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 81.8% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 3 weeks | **Every 11 days** |
| Size | 38 MB | 28 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Changsha hongdan Network Technology Co. , Ltd.](https://appshunter.io/developer/1693515090) | [Tsz Hin Ma](https://appshunter.io/developer/1865690973) |

## What reviewers say

### 红单足球情报

[App page](https://appshunter.io/ios/app/id6450769759)

**Features:** macOS Compatibility

**In-app purchases (17)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 10牛宝 | $0.99 | one-time |
| 18牛宝 | $2.99 | one-time |
| 38牛宝 | $4.99 | one-time |
| 40牛宝 | $5.99 | one-time |
| 68牛宝 | $9.99 | one-time |
| 88牛宝 | $12.99 | one-time |
| 98牛宝 | $14.99 | one-time |
| 188牛宝 | $29.99 | one-time |
| 288牛宝 | $39.99 | one-time |
| 388牛宝 | $59.99 | one-time |
| 488牛宝 | $69.99 | one-time |
| 798牛宝 | $99.99 | one-time |
| 688牛宝 | $99.99 | one-time |
| 888牛宝 | $129.99 | one-time |
| 1188牛宝 | $179.99 | one-time |
| 1288牛宝 | $199.99 | one-time |
| 1688牛宝 | $249.99 | one-time |


### Combo Calculator

[App page](https://appshunter.io/ios/app/combo-calculator/id6759466280)

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

**In-app purchases:** none


## Frequently asked questions

### Is 红单足球情报 free?

红单足球情报 is free to download, with in-app purchases available.

### Is Combo Calculator free?

Combo Calculator is free to download, with no in-app purchases.

### Do 红单足球情报 or Combo Calculator have ads?

Combo Calculator shows ads; 红单足球情报 does not.

### Which is updated more often, 红单足球情报 or Combo Calculator?

红单足球情报 ships an update every 3 weeks, and Combo Calculator every 11 days. Most recently, 红单足球情报 was updated on October 16, 2026 and Combo Calculator on October 8, 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.*