---
title: "知ing - Reviews, Revenue and Downloads in China | Apple App Store"
description: "知ing(原知否大学)是一款专为大学生打造的课后习题答案查看、搜题、考试、考证、考研、阅读及在线学习交流的神器。  在这里，你可以： 1、分享你的课后学习心得与课后答案及学习资料，赚取知识收益直接提现； 2、查看大学课后习题答案与习题解析，涵盖数学、英语、大学物理、计算机等各学科资料； 3、有师姐师兄帮帮，作业不慌，不会的题可在线求助师兄师姐； 4、简单易用的课程表，任意定制你的作息时间; 5、查"
---

# 知ing — China
> 大学课后习题解析

![知ing App Icon](https://is1-ssl.mzstatic.com/image/thumb/Purple112/v4/48/4d/29/484d290a-6008-ccf7-b452-e9506e5c86db/AppIcon-1x_U007emarketing-0-7-0-0-85-220.png/434x0w.png)

**Developer:** [Shenzhen Zhifou Technology Co](https://apptail.io/developer/shenzhen-zhifou-technology-co-EzGe)
**Category:** Education
**Rating:** 4.1/5 (47 ratings)
**Price:** Free
**Bundle ID:** com.wu7zhi.www
**Store:** Apple App Store
**Country:** China
**Version:** 7.4.1 (released 2022-04-26)
**Original Release:** 2020-04-24
**Languages:** Chinese, English

**App Store Link:** [Download on Apple App Store](https://apps.apple.com/cn/app/app/id1501171657)
**AppTail Page:** [https://apptail.io/app/ing-DEti/china](https://apptail.io/app/ing-DEti/china)

## 知ing Description
知ing(原知否大学)是一款专为大学生打造的课后习题答案查看、搜题、考试、考证、考研、阅读及在线学习交流的神器。

在这里，你可以：
1、分享你的课后学习心得与课后答案及学习资料，赚取知识收益直接提现；
2、查看大学课后习题答案与习题解析，涵盖数学、英语、大学物理、计算机等各学科资料；
3、有师姐师兄帮帮，作业不慌，不会的题可在线求助师兄师姐；
4、简单易用的课程表，任意定制你的作息时间;
5、查看海量毕业论文、课题报告、简历模板、历年期末试题、考研真题；
6、阅读人生必读100的本经典书籍，阅读精品美文；
7、掌握各方面的职场技能知识，如求职注意事项、面试技巧、简历写法等。

## 知ing Screenshots
- [Screenshot 1](https://is1-ssl.mzstatic.com/image/thumb/Purple112/v4/ff/35/32/ff353246-5366-9b6b-a3b4-eb257e3312b5/cdaa5668-ed9f-4ec4-be63-e55992860896_1.png/1242x2688.png)
- [Screenshot 2](https://is1-ssl.mzstatic.com/image/thumb/Purple122/v4/ec/65/26/ec652625-107d-248e-8a24-034730dc77c3/5dcb2c69-94dd-451e-8c36-9ab20c99065f_2.png/1242x2688.png)
- [Screenshot 3](https://is1-ssl.mzstatic.com/image/thumb/Purple112/v4/43/30/5b/43305bc6-8670-17e5-b07a-cd98bacc2ecf/bdd562ac-5c86-49eb-babf-c076fb8d2efa_3.png/1242x2688.png)
- [Screenshot 4](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource122/v4/3c/7c/7c/3c7c7c1a-20b1-5137-80fb-cbb8396b111b/f244734e-b958-46d3-b0b5-d548bd1bfe53_12422688-1.png/1242x2688.png)
- [Screenshot 5](https://is1-ssl.mzstatic.com/image/thumb/Purple112/v4/72/dc/41/72dc41c0-9bf0-afcf-32d3-f9665c704b0c/2d06893a-bf1b-4534-8dff-2d6271d58101_5.png/1242x2688.png)

## 知ing Rating Breakdown in China
- 5 stars: 34 (72%)
- 4 stars: 1 (2%)
- 3 stars: 2 (4%)
- 2 stars: 1 (2%)
- 1 stars: 9 (19%)

## 知ing Reviews in China

### ****- "无"
刚下载就打不开
-- 究竟还有什么昵称没有被占用, 2026-09-06

### ***** "极力推荐"
材料很全
-- 。。、！.。, 2026-01-09

### *---- "闪退"
进都进不去
-- 今生今世实快看, 2025-12-26

### *---- "，"
一直闪退！😡😡😡
-- 💿🖲️, 2025-12-05

### *---- "总是闪退"
如题，检查过存储空间还有很多，刚下载能打开，过一会儿就打不开了，刚显示广告（为什么刚开软件就要放广告？）就直接闪退了。而且必须选允许追踪其他软件数据（大概是这么个意思）才能打开，不然也闪退。
-- 珣野22, 2025-11-17

### ***-- "老闪退啊 iPad下载"
iPad下载会闪退
-- 传奇机长右巴杨, 2025-10-27

### *---- "垃圾"
一直闪退根本进不去
-- feiweidiwen, 2025-06-05

### ***** "非常好用，内容很全"
真的很不错，教材很全，非常适合大学生
-- 12554269667, 2024-04-28

### *---- "恶心充值钱收了 啥也没有"
垃圾
-- 大河报报道说, 2023-11-17

### ***** "很好用"
不错不错不错不错不错不错！
-- Zxin_HI, 2022-04-21

[View all 知ing reviews and detailed analytics on AppTail](https://app.apptail.io/signup?utm_campaign=ai-crawl&utm_content=reviews)

## 知ing In-App Purchases
| Item | Price |
|------|-------|
| 600个 | ¥8.00 |
| 1800个 | ¥22.00 |
| 3000个 | ¥38.00 |
| 5000个 | ¥58.00 |
| 9800个 | ¥98.00 |
| 7800个 | ¥88.00 |


## 知ing Discovered Keywords
- 知ing

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## 知ing Available In
- [China](https://apptail.io/app/ing-DEti/china)
- [Hong Kong SAR China](https://apptail.io/app/ing-DEti/hong-kong)
- [Macao SAR China](https://apptail.io/app/ing-DEti/macau)
- [Taiwan](https://apptail.io/app/ing-DEti/taiwan)

---

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