# 数感星球 vs 知识课堂

The clearest difference is review sentiment: 数感星球 at 92% against 知识课堂's 56%. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. 数感星球 sells 10 one-off in-app purchases and 知识课堂 sells 9 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

数感星球 ships an update fortnightly, 知识课堂 weekly. The most recent releases landed on November 7, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | 数感星球 | 知识课堂 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (71 ratings)](https://appshunter.io/ios/app/id1481755599/reviews)** | — |
| Number of ratings | **71** | — |
| Positive reviews | **92.2% of reviews** | 55.6% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Weekly** |
| Monetization | Free with in-app purchases | — |
| Size | 456 MB | 342 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Ahaaa Education Technology Co., Ltd.](https://appshunter.io/developer/1470347128) | [深圳市悦道科技有限公司](https://appshunter.io/developer/1571066605) |

## What reviewers say

### 数感星球

[App page](https://appshunter.io/ios/app/id1481755599)

This app uses AI and gamified lessons to help children aged 3-10 develop number sense and improve their calculation skills. It offers a structured 16-level training system and visual learning experiences to make math concepts easier to understand and practice.

**Highlights:** AI-powered personalized training, Gamified calculation exercises, 16-level progressive learning system, Visual and interactive math concepts, Data-driven learning reports, CPA teaching methodology

**Features:** Vision Pro support

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 方向位置 - 专题训练 | $9.99 | one-time |
| 数感星球-一年会员赠送120天优惠价328赠货币达人 | $49.99 | one-time |
| 数感星球-一年会员赠送120天+数游记+货币达人优惠价328 | $49.99 | one-time |
| 数感星球-1年会员 | $49.99 | one-time |
| 数感星球-1年会员（买1年送3个月） | $49.99 | one-time |
| 数感星球-1年会员（ 续费用户专享） | $49.99 | one-time |
| 数感星球-1年会员（加赠120天） | $49.99 | one-time |
| 数感星球-1年会员（买1年送2个月） | $49.99 | one-time |
| 活动特惠-买1年赠180天 | $49.99 | one-time |
| 活动优惠 | $49.99 | one-time |


### 知识课堂

[App page](https://appshunter.io/ios/app/id6499240773)

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 知识课堂月包vip | $7.99 | one-time |
| 快乐口语1个月vip会员 | $9.99 | one-time |
| 快乐口语3个月vip会员 | $19.99 | one-time |
| 知识课堂1年包vip | $39.99 | one-time |
| 快乐口语1年vip会员 | $49.99 | one-time |
| 知识课堂1年包vip | $49.99 | one-time |
| 快乐口语2年vip会员 | $59.99 | one-time |
| 知识课堂2年包vip | $69.99 | one-time |
| 知识课堂3年包vip | $99.99 | one-time |


## Frequently asked questions

### Is 数感星球 free?

数感星球 is free to download, with in-app purchases available.

### Is 知识课堂 free?

知识课堂 is free to download, with in-app purchases available.

### Do 数感星球 or 知识课堂 have ads?

Neither 数感星球 nor 知识课堂 shows ads.

### Which is updated more often, 数感星球 or 知识课堂?

数感星球 ships an update fortnightly, and 知识课堂 weekly. Most recently, 数感星球 was updated on November 7, 2026 and 知识课堂 on November 4, 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.*