# AI app builder vs Lumi

The clearest difference is review sentiment: AI app builder at 100% against Lumi's 0%. AI app builder also leads on rating (4.7 vs 2.0) and ratings volume (18 vs 1). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. AI app builder sells 2 in-app purchases, starting at $12.99 per month and Lumi sells 8 in-app purchases, starting at $25.00 per month. Whichever you choose, the download price is not the number that matters.

AI app builder holds the better App Store score, 4.7 against 2.0. That said, the two scores are not equally well evidenced: AI app builder has 18 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 100% of AI app builder's written reviews are positive against 0% of Lumi's.

AI app builder ships an update every 9 days, Lumi weekly. The most recent releases landed on September 18, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | AI app builder | Lumi |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (18 ratings)](https://appshunter.io/ios/app/ai-app-builder-vibecode/id6754607882/reviews)** | [2.0 (1 ratings)](https://appshunter.io/ios/app/lumi-vibe-coding-app/id6757134933/reviews) |
| Number of ratings | **18** | 1 |
| Positive reviews | **100.0% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 9 days | **Weekly** |
| Monetization | Freemium | Freemium |
| Size | 39 MB | 88 MB |
| Requires iOS | **15.1** | 15.5 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | +4 | 4+ |
| Developer | [FREE MOBILE APPS STUDIO ONE MEMBER COMPANY LIMITED](https://appshunter.io/developer/1849183583) | [Lumi.new](https://appshunter.io/developer/1864803680) |

## What reviewers say

### AI app builder

[App page](https://appshunter.io/ios/app/ai-app-builder-vibecode/id6754607882)

Transform your app ideas into structured projects with this mobile development tool. It guides you through defining features, screens, and user flows before generating a runnable project. Easily preview, update, and share your creations with built-in version management.

**Highlights:** App specification refinement, Project generation from specification, Guided project updates, Runnable previews and sharing, Project history and version management, Install app to home screen

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Vibecode Plus | $12.99 | per month |
| Vibecode Pro | $39.99 | per month |


### Lumi

[App page](https://appshunter.io/ios/app/lumi-vibe-coding-app/id6757134933)

Transform your app ideas into functional projects using natural language prompts. This AI-powered tool generates high-quality layouts and interactions, allowing you to preview, refine, and publish your creations with ease. Ideal for bringing concepts to life without prior coding experience.

**Highlights:** Create with natural-language prompts, AI handles structure, UI, and logic, Instant preview and refinement, One-tap publishing to a live version, Beginner-friendly for non-coders, Build and publish from mobile

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

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $25.00 | per month |
| Yearly | $264.99 | per year |
| 50 Credits | $15.00 | one-time |
| 100 Credits | $30.00 | one-time |
| 200 Credits | $60.00 | one-time |
| 500 Credits | $150.00 | one-time |
| 1000 Credits | $300.00 | one-time |
| 2000 Credits | $600.00 | one-time |


## Frequently asked questions

### Is AI app builder free?

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

### Is Lumi free?

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

### Which has better reviews, AI app builder or Lumi?

AI app builder is rated higher. AI app builder averages 4.7 out of 5 from 18 ratings, while Lumi averages 2.0 from 1 ratings.

### Do AI app builder or Lumi have ads?

Neither AI app builder nor Lumi shows ads.

### Which is updated more often, AI app builder or Lumi?

AI app builder ships an update every 9 days, and Lumi weekly. Most recently, AI app builder was updated on September 18, 2026 and Lumi on September 21, 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.*