# 叫叫 vs 简知

The clearest difference is rating: 叫叫 at 4.6 against 简知's 3.0. 叫叫 also leads on ratings volume (149 vs 2). 简知's advantage is iOS requirement (12.0 vs 15.0). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. 叫叫 sells 6 one-off in-app purchases and 简知 sells 10 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

叫叫 holds the better App Store score, 4.6 against 3.0. That said, the two scores are not equally well evidenced: 叫叫 has 149 ratings behind it against 2, so its average is the more settled of the two.

叫叫 ships an update every 2 weeks, 简知 every 3 weeks. The most recent releases landed on October 26, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | 叫叫 | 简知 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (149 ratings)](https://appshunter.io/ios/app/id1452464635/reviews)** | [3.0 (2 ratings)](https://appshunter.io/ios/app/180/id1513529328/reviews) |
| Number of ratings | **149** | 2 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 3 weeks |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 635 MB | 185 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Shusheng Chengdu Technology Co., Ltd.](https://appshunter.io/developer/1473250309) | [广州简知信息科技有限公司](https://appshunter.io/developer/1492211365) |

## What reviewers say

### 叫叫

[App page](https://appshunter.io/ios/app/id1452464635)

This platform offers engaging digital content and services for children, focusing on reading and educational games. It aims to foster a love for learning by developing motivation, habits, and skills through interactive experiences and a scientific incentive system.

**Highlights:** Age-appropriate content system, Interactive animated content, Reading and creative expression modules, Scientific incentive system, Teacher guidance and feedback

**Features:** macOS Compatibility

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 阅读系统包 L1 | $239.00 | one-time |
| 阅读系统包 L2 | $239.00 | one-time |
| 阅读系统包 L4 | $239.00 | one-time |
| 阅读系统包 L3 | $239.00 | one-time |
| 阅读系统包 L5 | $239.00 | one-time |
| 系统包 | $299.99 | one-time |


### 简知

[App page](https://appshunter.io/ios/app/180/id1513529328)

This app offers a comprehensive learning experience with audiobooks, curated courses, and community features. Engage in guided reading, expert-led classes, and live discussions to foster personal growth and knowledge acquisition.

**Highlights:** Guided audiobook companions, Curated book selections, Expert-led courses, Interactive learning programs, Community discussions, Live expert sessions, Storytelling radio

**Features:** Vision Pro support

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 6知币 | $0.99 | one-time |
| 12知币 | $1.99 | one-time |
| 68知币 | $9.99 | one-time |
| 88知币 | $12.99 | one-time |
| 108知币 | $14.99 | one-time |
| 208知币 | $29.99 | one-time |
| 年度VIP | $29.99 | one-time |
| 388知币 | $59.99 | one-time |
| 698知币 | $99.99 | one-time |
| 998知币 | $149.99 | one-time |


## Frequently asked questions

### Is 叫叫 free?

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

### Is 简知 free?

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

### Which has better reviews, 叫叫 or 简知?

叫叫 is rated higher. 叫叫 averages 4.6 out of 5 from 149 ratings, while 简知 averages 3.0 from 2 ratings.

### Do 叫叫 or 简知 have ads?

Neither 叫叫 nor 简知 shows ads.

### Which is updated more often, 叫叫 or 简知?

叫叫 ships an update every 2 weeks, and 简知 every 3 weeks. Most recently, 叫叫 was updated on October 26, 2026 and 简知 on October 24, 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.*