# Lumi AI vs Monstro X

The clearest difference is ads: Lumi AI at none against Monstro X's shown. Monstro X's advantage is update cadence (every 10 days vs every 3 weeks) and iOS requirement (15.1 vs 18.4). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Lumi AI ships an update every 3 weeks, Monstro X every 10 days. The most recent releases landed on October 24, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Lumi AI | Monstro X |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.2 (5 ratings)](https://appshunter.io/ios/app/lumi-ai/id6746665068/reviews)** | — |
| Number of ratings | **5** | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 3 weeks | **Every 10 days** |
| Monetization | Free | — |
| Size | 2.5 GB | 75 MB |
| Requires iOS | 18.4 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 9+ | 17+ |
| Developer | [Matt Krussow](https://appshunter.io/developer/1816335194) | [8BITAPP LLC](https://appshunter.io/developer/1776156402) |

## What reviewers say

### Lumi AI

[App page](https://appshunter.io/ios/app/lumi-ai/id6746665068)

This AI companion operates entirely on your device, ensuring privacy and offline functionality. Customize its personality and engage in conversations, even sharing documents and photos for deeper understanding. It's designed for personal use and runs on powerful hardware.

**Highlights:** On-device AI companion, Offline chat functionality, Customizable AI personality, Voice mode conversations, Photo and document sharing, Runs on Gemma 4

**Features:** macOS Compatibility

**In-app purchases:** none


### Monstro X

[App page](https://appshunter.io/ios/app/monstro-x/id6749905276)

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

**In-app purchases:** none


## Frequently asked questions

### Is Lumi AI free?

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

### Is Monstro X free?

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

### Do Lumi AI or Monstro X have ads?

Monstro X shows ads; Lumi AI does not.

### Which is updated more often, Lumi AI or Monstro X?

Lumi AI ships an update every 3 weeks, and Monstro X every 10 days. Most recently, Lumi AI was updated on October 24, 2026 and Monstro X on October 28, 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.*