# a vs U Game Engine + xLua

The clearest difference is review sentiment: a at 78% against U Game Engine + xLua's 0%. a also leads on price (Free vs $19.99) and in-app purchases (none vs 1). U Game Engine + xLua's advantage is rating (5.0 vs 4.6). On update cadence, ads, monetization model and device support there is nothing between them.

a is free to download; U Game Engine + xLua costs $19.99 up front. U Game Engine + xLua sells 1 one-off in-app purchase. a asks for nothing beyond the download.

U Game Engine + xLua holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: a has 553 ratings behind it against 2, so its average is the more settled of the two. Written reviews complicate that: 78% of a's written reviews are positive against 0% of U Game Engine + xLua's, so the app with the better star average is not the one people write more warmly about.

a ships an update monthly, U Game Engine + xLua fortnightly. The most recent releases landed on October 10, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | a | U Game Engine + xLua |
| --- | --- | --- |
| Price | **Free** | $19.99 |
| Rating | [4.6 (553 ratings)](https://appshunter.io/ios/app/a-shell/id1473805438/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/u-game-engine-plus-xlua/id6743805852/reviews)** |
| Number of ratings | **553** | 2 |
| Positive reviews | **78.3% of reviews** | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Fortnightly** |
| Monetization | Paid | Paid |
| Best chart rank | **#20** | — |
| Size | 1.9 GB | 599 MB |
| Requires iOS | **14.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Nicolas Holzschuch](https://appshunter.io/developer/1450994948) | [盼军 崔](https://appshunter.io/developer/567286451) |

## What reviewers say

### a

[App page](https://appshunter.io/ios/app/a-shell/id1473805438)

**Currently charting:** #20 Top Free · Developer Tools (US App Store)

Run a full Unix-like terminal environment on your iOS device. Execute a wide range of commands, edit files, and even program using included interpreters and compilers. Supports multitasking and integration with Shortcuts.

**Highlights:** Local Unix terminal emulator, SSH client, File transfer (scp, curl), Text editing (vim, ed), Scripting languages (Python, Lua, Perl, JS), C/C++ compiler, TeX distribution

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

**In-app purchases:** none

**What reviewers like**

- 🚀 Powerful terminal with Linux commands
- 👍 Useful for programming and development
- 🔒 Secure and reliable
- 💡 Impressive capabilities for an iOS app
- 👍 Helpful documentation and developer support

**What reviewers complain about**

- 🐛 Occasional crashes and bugs
- 🔍 Limited customization options
- 🔍 Missing some basic terminal features
- 🔍 Compatibility issues with certain packages

**Reported bugs**

- Toolbar buttons not accessible in portrait mode on some devices
- Pasting from clipboard can insert unexpected characters
- Sourcing certain script files causes crashes

**Requested features**

- Add support for package managers like Homebrew or APT
- Implement more advanced shell features like job control and better tab completion
- Integrate Git for version control
- Allow installing additional packages and libraries
- Improve clipboard and file management integration


### U Game Engine + xLua

[App page](https://appshunter.io/ios/app/u-game-engine-plus-xlua/id6743805852)

Create and run 2D and 3D games directly on your mobile device. Script gameplay using Lua, import assets, and test instantly. This app provides professional-grade game development tools in a pocket-sized format.

**Highlights:** Build 2D/3D games on iOS, Script with Lua, Real-time testing, Import assets, Integrated development environment, Lua tutorials

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Buy me a coffee | $2.99 | one-time |


## Frequently asked questions

### Is a free?

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

### Is U Game Engine + xLua free?

U Game Engine + xLua costs $19.99, and also offers in-app purchases.

### Which has better reviews, a or U Game Engine + xLua?

U Game Engine + xLua is rated higher. a averages 4.6 out of 5 from 553 ratings, while U Game Engine + xLua averages 5.0 from 2 ratings.

### Do a or U Game Engine + xLua have ads?

Neither a nor U Game Engine + xLua shows ads.

### Which is updated more often, a or U Game Engine + xLua?

a ships an update monthly, and U Game Engine + xLua fortnightly. Most recently, a was updated on October 10, 2026 and U Game Engine + xLua on October 3, 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.*