# Java Programming vs SumXMinus

The clearest difference is in-app purchases: SumXMinus at none against Java Programming's 1. Java Programming's advantage is ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. Java Programming sells 1 one-off in-app purchase. SumXMinus asks for nothing beyond the download.

Java Programming ships an update every 2 months, SumXMinus every 6 weeks. The most recent releases landed on September 14, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | Java Programming | SumXMinus |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Every 6 weeks** |
| Size | 18 MB | 32 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Tejas Patel](https://appshunter.io/developer/1167819989) | [Katsuhiko Yao](https://appshunter.io/developer/1543188534) |

## What reviewers say

### Java Programming

[App page](https://appshunter.io/ios/app/java-programming-learn-code/id1671259084)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ad-Free Upgrade | $1.99 | one-time |


### SumXMinus

[App page](https://appshunter.io/ios/app/sumxminus-negative-math/id6480327347)

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

**In-app purchases:** none


## Frequently asked questions

### Is Java Programming free?

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

### Is SumXMinus free?

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

### Do Java Programming or SumXMinus have ads?

SumXMinus shows ads; Java Programming does not.

### Which is updated more often, Java Programming or SumXMinus?

Java Programming ships an update every 2 months, and SumXMinus every 6 weeks. Most recently, Java Programming was updated on September 14, 2026 and SumXMinus on September 22, 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.*