# 红火箭分级阅读 vs 认识字母

The clearest difference is update cadence: 认识字母 at every 3 weeks against 红火箭分级阅读's every 4 months. 红火箭分级阅读's advantage is iOS requirement (13.0 vs 16.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. 红火箭分级阅读 sells 3 in-app purchases, starting at $5.99 per month and 认识字母 sells 3 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

红火箭分级阅读 ships an update every 4 months, 认识字母 every 3 weeks. The most recent releases landed on October 24, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | 红火箭分级阅读 | 认识字母 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 weeks** |
| Size | 70 MB | 8 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [天津火凤网络科技有限公司](https://appshunter.io/developer/1319807434) | [中周 王](https://appshunter.io/developer/1611287450) |

## What reviewers say

### 红火箭分级阅读

[App page](https://appshunter.io/ios/app/id6767097354)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 包月畅享会员 | $5.99 | per month |
| 半年卡会员 | $19.99 | one-time |
| 年卡会员 | $29.99 | one-time |


### 认识字母

[App page](https://appshunter.io/ios/app/abc/id6774992585)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 月订阅 | $0.99 | per month |
| 年订阅 | $4.99 | per year |
| 终身解锁 | $2.99 | one-time |


## Frequently asked questions

### Is 红火箭分级阅读 free?

红火箭分级阅读 is free to download, with in-app purchases available.

### Is 认识字母 free?

认识字母 is free to download, with in-app purchases available.

### Do 红火箭分级阅读 or 认识字母 have ads?

Neither 红火箭分级阅读 nor 认识字母 shows ads.

### Which is updated more often, 红火箭分级阅读 or 认识字母?

红火箭分级阅读 ships an update every 4 months, and 认识字母 every 3 weeks. Most recently, 红火箭分级阅读 was updated on October 24, 2026 and 认识字母 on October 9, 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.*