# StuPla vs Java Data Structures & Algo

The clearest difference is iOS requirement: StuPla at 15.0 against Java Data Structures & Algo's 17.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

StuPla ships an update every 5 weeks, Java Data Structures & Algo every 2 months. The most recent releases landed on October 24, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | StuPla | Java Data Structures & Algo |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 2 months |
| Monetization | Free | — |
| Size | 53 MB | 18 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Digital Learning GmbH](https://appshunter.io/developer/919469681) | [ALG Software Lab](https://appshunter.io/developer/1650561236) |

## What reviewers say

### StuPla

[App page](https://appshunter.io/ios/app/stupla/id1643718191)

Access your personal class schedule and room plans directly on your smartphone. Log in with your school credentials to view your timetable, substitute plans, and room schedules. It also displays your user profile.

**Highlights:** Personal class schedule display, Substitute plan viewing, Room plan display, User profile access

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

**In-app purchases:** none


### 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


## Frequently asked questions

### Is StuPla free?

StuPla is free to download, with no in-app purchases.

### Is Java Data Structures & Algo free?

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

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

Neither StuPla nor Java Data Structures & Algo shows ads.

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

StuPla ships an update every 5 weeks, and Java Data Structures & Algo every 2 months. Most recently, StuPla was updated on October 24, 2026 and Java Data Structures & Algo on October 12, 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.*