# ShaderMania vs U Game Engine + xLua

The clearest difference is review sentiment: ShaderMania at 100% against U Game Engine + xLua's 0%. ShaderMania also leads on price (Free vs $19.99). U Game Engine + xLua's advantage is update cadence (fortnightly vs every 16 months) and iOS requirement (15.6 vs 17.6). On ads, in-app purchases and device support there is nothing between them.

ShaderMania is free to download; U Game Engine + xLua costs $19.99 up front. ShaderMania sells 3 one-off in-app purchases and U Game Engine + xLua sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

ShaderMania ships an update every 16 months, U Game Engine + xLua fortnightly. The most recent releases landed on October 2, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | ShaderMania | U Game Engine + xLua |
| --- | --- | --- |
| Price | **Free** | $19.99 |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/u-game-engine-plus-xlua/id6743805852/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | **100.0% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 16 months | **Fortnightly** |
| Monetization | **Free** | Paid |
| Size | 24 MB | 599 MB |
| Requires iOS | 17.6 | **15.6** |
| Devices | iPad, Mac | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Markus Moenig](https://appshunter.io/developer/1448432881) | [盼军 崔](https://appshunter.io/developer/567286451) |

## What reviewers say

### ShaderMania

[App page](https://appshunter.io/ios/app/shadermania/id1541065830)

Create, edit, and share Metal shaders with a live coding environment and real-time preview. Explore a database of public and tutorial shaders, connect nodes to build complex effects, and export your creations. A physical keyboard is recommended for optimal use.

**Highlights:** Live coding of Metal fragment shaders, Real-time preview and playback, Node-based shader creation, Public shader database, Tutorial shaders with video links, Export shader output to PNG, Syntax checking and error display

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Small Tip | $1.99 | one-time |
| Medium Tip | $4.99 | one-time |
| Large Tip | $9.99 | one-time |


### 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 ShaderMania free?

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

### Is U Game Engine + xLua free?

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

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

Neither ShaderMania nor U Game Engine + xLua shows ads.

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

ShaderMania ships an update every 16 months, and U Game Engine + xLua fortnightly. Most recently, ShaderMania was updated on October 2, 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.*