# Sticky vs U Game Engine + xLua

The clearest difference is review sentiment: Sticky at 63% against U Game Engine + xLua's 0%. Sticky also leads on price (Free vs $19.99) and ratings volume (8.8K vs 2). U Game Engine + xLua's advantage is rating (5.0 vs 4.5) and iOS requirement (15.6 vs 17.0). On update cadence, ads, in-app purchases and device support there is nothing between them.

Sticky is free to download; U Game Engine + xLua costs $19.99 up front. Sticky sells 16 in-app purchases, starting at $9.99 per 7 days and U Game Engine + xLua sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

U Game Engine + xLua holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: Sticky has 8.8K ratings behind it against 2, so its average is the more settled of the two. Written reviews complicate that: 63% of Sticky'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.

Sticky ships an update every 2 weeks, U Game Engine + xLua fortnightly. The most recent releases landed on October 13, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Sticky | U Game Engine + xLua |
| --- | --- | --- |
| Price | **Free** | $19.99 |
| Rating | [4.5 (8.8K ratings)](https://appshunter.io/ios/app/sticky-ai-game-maker/id1497044357/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/u-game-engine-plus-xlua/id6743805852/reviews)** |
| Number of ratings | **8.8K** | 2 |
| Positive reviews | **62.5% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Fortnightly |
| Monetization | **Free with in-app purchases** | Paid |
| Best chart rank | **#102** | — |
| Size | 173 MB | 599 MB |
| Requires iOS | 17.0 | **15.6** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 9+ | 4+ |
| Developer | [Sticky NFT Marketplace Ltd.](https://appshunter.io/developer/1630862342) | [盼军 崔](https://appshunter.io/developer/567286451) |

## What reviewers say

### Sticky

[App page](https://appshunter.io/ios/app/sticky-ai-game-maker/id1497044357)

**Currently charting:** #102 Top Free · Developer Tools, #106 Top Grossing · Developer Tools (US App Store)

Design and publish your own games without needing to code. This AI-powered tool allows users to create and share interactive experiences with a community. Content moderation is in place to ensure a safe environment.

**Highlights:** AI Game Maker, Create games, Publish games, No programming required, Community content sharing, In-app reporting

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

**In-app purchases (16)**

| Purchase | Price | Billing |
| --- | --- | --- |
| AI Prompts Weekly Free Trial | $9.99 | per 7 days |
| Mint Pass Weekly | $9.99 | per 7 days |
| Sticky Coins Weekly | $9.99 | per 7 days |
| Weekly Starter Pack | $9.99 | per 7 days |
| AI Prompts Weekly | $9.99 | per 7 days |
| Sticky Coins Weekly | $9.99 | per 7 days |
| Sticky Pro | $14.99 | per month |
| Sticky Pro | $14.99 | per month |
| Monthly Mint Pass for Creators | $29.99 | per month |
| Promts Yearly FT | $199.99 | per year |
| NFT | $0.99 | one-time |
| AI Prompts $3 Bundle | $2.99 | one-time |
| AI Prompts $5 Bundle | $4.99 | one-time |
| AI Prompts $10 Bundle | $9.99 | one-time |
| 30 Sticky Coins | $9.99 | one-time |
| Small Starter Pack | $9.99 | one-time |

**What reviewers like**

- 👍 Easy to use
- 🚀 Simple and straightforward
- 💡 Interesting concept for NFT creation
- 🎨 Good for expressing creativity

**What reviewers complain about**

- 💰 Limited free features, need to pay for more
- 🤔 Unclear how to sell or trade NFTs
- 🐛 Bugs and crashes reported
- 🕰️ Slow approval process for NFTs

**Reported bugs**

- App crashes when trying to access profile
- Issues with saving profile information
- Purchased items not showing up in collection
- Connectivity problems and loading failures

**Requested features**

- More free access to create and mint NFTs
- Ability to sell and trade NFTs
- Improved stability and fewer bugs
- Faster approval process for NFT submissions


### 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 Sticky free?

Sticky 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.

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

U Game Engine + xLua is rated higher. Sticky averages 4.5 out of 5 from 8.8K ratings, while U Game Engine + xLua averages 5.0 from 2 ratings.

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

Neither Sticky nor U Game Engine + xLua shows ads.

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

Sticky ships an update every 2 weeks, and U Game Engine + xLua fortnightly. Most recently, Sticky was updated on October 13, 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.*