# 青于蓝 vs 小学

The clearest difference is in-app purchases: 青于蓝 at none against 小学's 3. 青于蓝 also leads on ads (none vs shown) and update cadence (every 3 weeks vs every 2 months). 小学's advantage is review sentiment (67% vs 48%). On price, device support and iOS requirement there is nothing between them.

Both are free to download. 小学 sells 3 in-app purchases, starting at $0.99 per month. 青于蓝 asks for nothing beyond the download.

青于蓝 ships an update every 3 weeks, 小学 every 2 months. The most recent releases landed on October 25, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | 青于蓝 | 小学 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 47.6% of reviews | **66.7% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Monetization | — | Free with in-app purchases |
| Size | 129 MB | 54 MB |
| Requires iOS | **13.0** | 14.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Beijing Home Call Express Data Technology Co., Ltd.](https://appshunter.io/developer/990703582) | [小拓 林](https://appshunter.io/developer/1267985198) |

## What reviewers say

### 青于蓝

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

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

**In-app purchases:** none


### 小学

[App page](https://appshunter.io/ios/app/id1575486785)

This app helps elementary school students with their studies by offering a vast question bank with detailed explanations. It features photo-to-search functionality for quick answers and targeted practice exercises based on chapters.

**Highlights:** Million+ questions, Detailed explanations, Photo search for homework help, Chapter-specific training, Practice exercises

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 小学生学习月会员 | $0.99 | per month |
| 小学生学习季会员 | $2.49 | per 3 months |
| 小学生学习年会员 | $8.99 | per year |


## Frequently asked questions

### Is 青于蓝 free?

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

### Is 小学 free?

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

### Do 青于蓝 or 小学 have ads?

小学 shows ads; 青于蓝 does not.

### Which is updated more often, 青于蓝 or 小学?

青于蓝 ships an update every 3 weeks, and 小学 every 2 months. Most recently, 青于蓝 was updated on October 25, 2026 and 小学 on September 25, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*