# 九章算法-IT求职面试编程刷题学习平台

> IT job interview preparation and coding practice platform. (iPhone/iPad app by Ninechapter Algorithm (Hangzhou) Technology Co., Ltd..)

- Source: https://appshunter.io/ios/app/it/id1516228682 (this page in markdown: same URL + `.md`)
- Developer: [Ninechapter Algorithm (Hangzhou) Technology Co., Ltd.](https://appshunter.io/developer/1516228681)
- Category: Utilities
- Price: Free
- Rating: 1.80/5 from 12 App Store ratings · 5 written reviews indexed
- Age rating: 4+
- Requires: iOS 9.0 · 57 MB
- Languages: Chinese
- Released: 2020-06-11
- Data updated: 2026-07-01
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/it/id1516228682/reviews.md

## What is 九章算法?

九章算法致力于让顶尖的工程师在线传授最优质的计算机课程，立志于填补学校所教和企业所需技能之间的空白，帮助更多中国程序员找到好工作，目前已帮助30000+ 人成功拿到心仪的offer。

【真实互动，伯乐我有】
30万程序员与算法大神的在线互动与刷题平台：算法大神亲自为你答疑解惑，再也不用担心刷题路上没有指路人！

【面试难点，提前知悉】
关注大神与大厂技术官，交流解惑，提升技巧。近距离和FLAG，BATJ的面试官交流，即时get面试经验干货，避开面试大坑，掌握最优答法~

【真题题解，一网打尽】
面试必胜秘籍：真题！(Lintcode)领扣收录知名互联网公司面试最新最热真题，与此同时还搭配最优题解和学习笔记，真题熟记于心，面试所向披靡。

【时空局限？不存在的】
上地铁，下飞机，随时随地随心刷题，利用碎片化时间，实现自我实力快速提升，跳槽加薪快人一步！

【联系我们】
如在使用过程中有建议或意见，请联系我们：
微信公众号：九章算法（ID：ninechapter）
运营同学微信：jiuzhang4

## Key features

- Online computer science courses
- Expert Q&A for coding problems
- Interview insights from tech professionals
- Real interview questions and solutions
- Practice coding anytime, anywhere

## Recent user reviews (5 of 5)

All indexed reviews: https://appshunter.io/ios/app/it/id1516228682/reviews.md

### 1/5 — 客服都是骗你报课的套路

*2022-08-28, version 1.3.7*

客服只有在你咨询想要报课/购买服务的时候才最积极，不管你需不需要上不上得过来，都忽悠你报得越多越好。 付钱之前你是大爷，付完钱之后他们是大爷。 有些项目课程群里问问题根本没有老师/助教回复。

### 5/5 — 2/20/2022 现在的version还挺好用的

*2022-02-21, version 1.3.7*

如题

### 1/5 — 一个教编程的软件居然做这么差

*2021-09-12, version 1.3.7*

如题 下载的Ipad App 显示的是手机界面比例 惊呆

### 1/5 — 太差了， 完全没法用

*2021-09-06, version 1.3.7*

太差了， 完全没法用

### 3/5 — 题解的图片看不完整啊啊啊…

*2020-08-05, version 1.0.5*

rtrtrt

## Frequently asked questions about 九章算法

### What is 九章算法?

九章算法 is an IT job interview preparation and coding practice platform. It offers online computer science courses taught by top engineers and provides a space for programmers to interact with experts and practice coding problems.

### What kind of content does 九章算法 offer for interview preparation?

九章算法 provides access to real interview questions from well-known internet companies, along with optimal solutions and study notes. It also facilitates interaction with tech professionals and interviewers from major companies to gain insights and avoid common pitfalls.

### Can I practice coding problems on 九章算法?

Yes, 九章算法 offers a platform for users to practice coding problems. It features a large community of programmers and algorithm experts where users can get their questions answered and receive guidance on their coding journey.

### Is 九章算法 suitable for learning on the go?

Yes, the platform is designed to be accessible anytime and anywhere, allowing users to utilize fragmented time for practice and skill improvement, whether on a subway or a plane.

### What is the user rating for 九章算法?

九章算法 has a user rating of 1.8 stars based on 12 ratings.

### What devices does 九章算法 support?

九章算法 is supported on iPhone and iPod devices.

### When was 九章算法 last updated?

The latest version of 九章算法 was last updated on September 2, 2021.

### What is the age rating for 九章算法?

九章算法 has an age rating of 4+.

## Version history (last 1 release)

### 1.3.7 — 2021-09-02

1. 修复ios 14不能正确显示图片问题

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-07-01.*