# 作业帮口算 vs 简知

The clearest difference is rating: 作业帮口算 at 4.7 against 简知's 3.0. 作业帮口算 also leads on ratings volume (228 vs 2). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. 作业帮口算 sells 8 in-app purchases, starting at $2.99 per month and 简知 sells 10 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

作业帮口算 holds the better App Store score, 4.7 against 3.0. That said, the two scores are not equally well evidenced: 作业帮口算 has 228 ratings behind it against 2, so its average is the more settled of the two.

作业帮口算 ships an update fortnightly, 简知 every 3 weeks. The most recent releases landed on November 7, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | 作业帮口算 | 简知 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (228 ratings)](https://appshunter.io/ios/app/id1380156450/reviews)** | [3.0 (2 ratings)](https://appshunter.io/ios/app/180/id1513529328/reviews) |
| Number of ratings | **228** | 2 |
| Positive reviews | 85.7% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 3 weeks |
| Monetization | Freemium | Free with in-app purchases |
| Size | 126 MB | 185 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Guangzhou Polar Future Culture Technology Co., Ltd](https://appshunter.io/developer/1681701989) | [广州简知信息科技有限公司](https://appshunter.io/developer/1492211365) |

## What reviewers say

### 作业帮口算

[App page](https://appshunter.io/ios/app/id1380156450)

This app assists parents in checking homework for multiple subjects, including math, Chinese, and English. It offers interactive exercises for oral calculations, vocabulary learning, and essay writing, along with tools to collect and review errors.

**Highlights:** Homework checking for math, Chinese, English, Oral calculation practice with handwriting input, Vocabulary learning with pronunciation and stroke order, Essay writing guidance and sample essays, Automatic collection of incorrect answers, Classroom management for teachers, Additional learning tools like calculators and dictation

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

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 连续包月 | $2.99 | per month |
| 80学币 | $0.99 | one-time |
| 作业帮1个月VIP | $3.99 | one-time |
| 12个月 | $17.99 | one-time |
| 12个月 | $19.99 | one-time |
| VIP年卡 | $19.99 | one-time |
| 作业帮口算年卡 | $19.99 | one-time |
| SVIP年卡 | $39.99 | 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 作业帮口算 free?

作业帮口算 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, 作业帮口算 or 简知?

作业帮口算 is rated higher. 作业帮口算 averages 4.7 out of 5 from 228 ratings, while 简知 averages 3.0 from 2 ratings.

### Do 作业帮口算 or 简知 have ads?

Neither 作业帮口算 nor 简知 shows ads.

### Which is updated more often, 作业帮口算 or 简知?

作业帮口算 ships an update fortnightly, and 简知 every 3 weeks. Most recently, 作业帮口算 was updated on November 7, 2026 and 简知 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.*