# AskTuringAI vs Lumis AI

The clearest difference is in-app purchases: AskTuringAI at none against Lumis AI's 2. AskTuringAI also leads on update cadence (monthly vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Lumis AI sells 2 in-app purchases, starting at $16.99 per month. AskTuringAI asks for nothing beyond the download.

AskTuringAI ships an update monthly, Lumis AI every 2 months. The most recent releases landed on October 28, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | AskTuringAI | Lumis AI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/lumis-ai/id6760801299/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Monthly** | Every 2 months |
| Monetization | — | Freemium |
| Size | 40 MB | 45 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 12+ | 17+ |
| Developer | [ASKTURING.AI INC.](https://appshunter.io/developer/1850808245) | [Samuel Sokan](https://appshunter.io/developer/1877808991) |

## What reviewers say

### AskTuringAI

[App page](https://appshunter.io/ios/app/askturingai/id6754894499)

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

**In-app purchases:** none


### Lumis AI

[App page](https://appshunter.io/ios/app/lumis-ai/id6760801299)

This AI assistant offers a comprehensive suite of tools for communication, content creation, and information retrieval. It can answer complex questions, generate images, write and debug code, and assist with homework, all while providing real-time web search capabilities.

**Highlights:** Advanced AI chat with context awareness, Real-time web search with summarized answers, AI-powered image generation, Code writing and debugging assistance, Homework and study support, Deep research with cited sources, Multi-language translation

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lumis Pro Monthly | $16.99 | per month |
| Lumis Pro Yearly | $149.99 | per year |


## Frequently asked questions

### Is AskTuringAI free?

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

### Is Lumis AI free?

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

### Do AskTuringAI or Lumis AI have ads?

Neither AskTuringAI nor Lumis AI shows ads.

### Which is updated more often, AskTuringAI or Lumis AI?

AskTuringAI ships an update monthly, and Lumis AI every 2 months. Most recently, AskTuringAI was updated on October 28, 2026 and Lumis AI on October 14, 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.*