# Java Compiler vs Shell Keyboard

The clearest difference is in-app purchases: Shell Keyboard at none against Java Compiler's 3. Shell Keyboard also leads on update cadence (every 2 weeks vs every 3 months) and chart position (#23 vs unranked). Java Compiler's advantage is price ($0.99 vs $1.99). On ads, device support and iOS requirement there is nothing between them.

Java Compiler costs $0.99 and Shell Keyboard $1.99 up front. Java Compiler sells 3 in-app purchases, starting at $14.99 per month. Shell Keyboard asks for nothing beyond the download.

Java Compiler ships an update every 3 months, Shell Keyboard every 2 weeks. Both last shipped on November 10, 2026.

## The numbers

| Metric | Java Compiler | Shell Keyboard |
| --- | --- | --- |
| Price | **$0.99** | $1.99 |
| Rating | — | **[4.0 (2 ratings)](https://appshunter.io/ios/app/shell-keyboard/id6811290737/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 weeks** |
| Monetization | — | Paid |
| Best chart rank | — | **#23** |
| Size | 5 MB | 3 MB |
| Requires iOS | 17.6 | **16.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [乐祥 胡](https://appshunter.io/developer/1572365721) | [Nguyen Nguyen](https://appshunter.io/developer/1071455830) |

## What reviewers say

### Java Compiler

[App page](https://appshunter.io/ios/app/java-compiler-ai-assistant/id6776635648)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 30天会员 | $14.99 | per month |
| 360天会员 | $59.99 | per year |
| 终身会员 | $79.99 | one-time |


### Shell Keyboard

[App page](https://appshunter.io/ios/app/shell-keyboard/id6811290737)

**Currently charting:** #23 Top Paid · Developer Tools (US App Store)

This custom keyboard provides essential terminal keys like Ctrl, Esc, and arrow keys that are missing from the default iOS keyboard. It offers customizable layouts for iPad and iPhone Duo, ensuring precise control for terminal applications.

**Highlights:** Dedicated terminal layer with Ctrl, Esc, Tab, arrows, Ctrl and Alt as proper modifiers, Full function-key layer (F1-F12), Customizable arrow key behavior, Return/Enter key options, Plain QWERTY and symbol layers, Seven themes with light/dark modes, 60% and 75% layouts for iPad/iPhone Duo

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

**In-app purchases:** none


## Frequently asked questions

### Is Java Compiler free?

Java Compiler costs $0.99, and also offers in-app purchases.

### Is Shell Keyboard free?

Shell Keyboard costs $1.99, with no in-app purchases.

### Do Java Compiler or Shell Keyboard have ads?

Neither Java Compiler nor Shell Keyboard shows ads.

### Which is updated more often, Java Compiler or Shell Keyboard?

Java Compiler ships an update every 3 months, and Shell Keyboard every 2 weeks. Most recently, Java Compiler was updated on November 10, 2026 and Shell Keyboard 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.*