# Java Data Structures & Algo vs BetterSWE

The clearest difference is in-app purchases: Java Data Structures & Algo at none against BetterSWE's 3. BetterSWE's advantage is update cadence (weekly vs every 2 months) and iOS requirement (15.0 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. BetterSWE sells 3 in-app purchases, starting at $8.99 per month. Java Data Structures & Algo asks for nothing beyond the download.

Java Data Structures & Algo ships an update every 2 months, BetterSWE weekly. The most recent releases landed on November 8, 2026 and November 10, 2026 respectively.

## The numbers

| Metric | Java Data Structures & Algo | BetterSWE |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/betterswe-engineering-skills/id6788981435/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Weekly** |
| Monetization | — | Freemium |
| Size | 18 MB | 63 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [ALG Software Lab](https://appshunter.io/developer/1650561236) | [Hon Nam Kenneth Wong](https://appshunter.io/developer/1891584552) |

## What reviewers say

### Java Data Structures & Algo

[App page](https://appshunter.io/ios/app/java-data-structures-and-algo/id6756706722)

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

**In-app purchases:** none


### BetterSWE

[App page](https://appshunter.io/ios/app/betterswe-engineering-skills/id6788981435)

Practice software engineering concepts with interactive questions. Improve your skills in areas like system design and debugging through quick, engaging challenges. Ideal for interview preparation or continuous learning.

**Highlights:** Interactive software engineering questions, Covers distributed systems, protocols, system design, Debugging and programming concepts, Quick challenges for spare moments, Identifies knowledge gaps, Interview preparation tool

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| BetterSWE Pro | $8.99 | per month |
| BetterSWE Pro | $79.99 | per year |
| BetterSWE Pro — Lifetime | $199.99 | one-time |


## Frequently asked questions

### Is Java Data Structures & Algo free?

Java Data Structures & Algo is free to download, with no in-app purchases.

### Is BetterSWE free?

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

### Do Java Data Structures & Algo or BetterSWE have ads?

Neither Java Data Structures & Algo nor BetterSWE shows ads.

### Which is updated more often, Java Data Structures & Algo or BetterSWE?

Java Data Structures & Algo ships an update every 2 months, and BetterSWE weekly. Most recently, Java Data Structures & Algo was updated on November 8, 2026 and BetterSWE on November 10, 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.*