# Java面试题库 vs Algorithms

The clearest difference is update cadence: Algorithms at weekly against Java面试题库's every 2 months. Algorithms also leads on review sentiment (100% vs 80%) and chart position (#200 vs unranked). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Java面试题库 sells 3 in-app purchases, starting at $0.99 per month and Algorithms sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Java面试题库 ships an update every 2 months, Algorithms weekly. The most recent releases landed on September 7, 2026 and September 6, 2026 respectively.

## The numbers

| Metric | Java面试题库 | Algorithms |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/algorithms-animated-learning/id6744860350/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | 80.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Weekly** |
| Monetization | Freemium | Free with in-app purchases |
| Best chart rank | — | **#200** |
| Size | 118 MB | 17 MB |
| Requires iOS | 16.0 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [嘉 邱](https://appshunter.io/developer/1708883953) | [琰琰 胡](https://appshunter.io/developer/1809315777) |

## What reviewers say

### Java面试题库

[App page](https://appshunter.io/ios/app/java/id6467860145)

This app provides a comprehensive collection of Java interview questions, covering basic, intermediate, and advanced topics. It includes specialized sections on popular frameworks and technologies like Spring, microservices, Redis, and message queues to help job seekers prepare effectively.

**Highlights:** Covers common Java interview questions, Includes basic, intermediate, and advanced topics, Features Spring, microservices, Redis, and message queues, Offers systematic topic explanations, Ad-free experience with VIP subscription, Unlock all content with VIP

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 月付费会员 | $0.99 | per month |
| 季度付费会员 | $2.99 | per 3 months |
| 半年付费会员 | $3.99 | per 6 months |


### Algorithms

[App page](https://appshunter.io/ios/app/algorithms-animated-learning/id6744860350)

**Currently charting:** #200 Top Grossing · Developer Tools (US App Store)

This app makes learning complex algorithms intuitive through dynamic, step-by-step animations and line-by-line code analysis. It offers case-based problem explanations, in-depth algorithm analysis, and weekly updates with trending problems. Ideal for students, job seekers, and competitive programmers.

**Highlights:** Dynamic animated demonstrations, Line-by-line code analysis, Case-based problem explanations, Algorithm analysis and insights, Weekly trending algorithm updates

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock easy problems | $1.99 | one-time |
| Unlock medium & hard problems | $2.99 | one-time |
| Unlock all problems | $3.99 | one-time |


## Frequently asked questions

### Is Java面试题库 free?

Java面试题库 is free to download, with in-app purchases available.

### Is Algorithms free?

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

### Do Java面试题库 or Algorithms have ads?

Neither Java面试题库 nor Algorithms shows ads.

### Which is updated more often, Java面试题库 or Algorithms?

Java面试题库 ships an update every 2 months, and Algorithms weekly. Most recently, Java面试题库 was updated on September 7, 2026 and Algorithms on September 6, 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.*