# 青于蓝 vs 一年级语文下册

The clearest difference is in-app purchases: 青于蓝 at none against 一年级语文下册's 1. 青于蓝 also leads on update cadence (every 3 weeks vs every 66 months) and iOS requirement (13.0 vs 15.6). On price, ads and device support there is nothing between them.

Both are free to download. 一年级语文下册 sells 1 one-off in-app purchase. 青于蓝 asks for nothing beyond the download.

青于蓝 ships an update every 3 weeks, 一年级语文下册 every 66 months. Both last shipped on November 3, 2026.

## The numbers

| Metric | 青于蓝 | 一年级语文下册 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.0 (4 ratings)](https://appshunter.io/ios/app/id1550689968/reviews)** |
| Number of ratings | — | **4** |
| Positive reviews | 47.6% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 66 months |
| Monetization | — | Free |
| Size | 129 MB | 168 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Beijing Home Call Express Data Technology Co., Ltd.](https://appshunter.io/developer/990703582) | [卫英 肖](https://appshunter.io/developer/1220418402) |

## What reviewers say

### 青于蓝

[App page](https://appshunter.io/ios/app/id1404817237)

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

**In-app purchases:** none


### 一年级语文下册

[App page](https://appshunter.io/ios/app/id1550689968)

This educational app provides synchronized digital textbooks for first-grade Chinese language learning. It features clear audio playback, high-definition visuals, and note-taking capabilities to support students, teachers, and parents.

**Highlights:** Synchronized with current textbooks, High-definition, eye-friendly images, Integrated writing and drawing tools, Clear, accurate audio pronunciation, Aesthetically pleasing interface

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 解锁全部章节内容并去除广告 | $1.99 | one-time |


## Frequently asked questions

### Is 青于蓝 free?

青于蓝 is free to download, with no in-app purchases.

### Is 一年级语文下册 free?

一年级语文下册 is free to download, with in-app purchases available.

### Do 青于蓝 or 一年级语文下册 have ads?

Neither 青于蓝 nor 一年级语文下册 shows ads.

### Which is updated more often, 青于蓝 or 一年级语文下册?

青于蓝 ships an update every 3 weeks, and 一年级语文下册 every 66 months. Most recently, 青于蓝 was updated on November 3, 2026 and 一年级语文下册 on November 3, 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.*