# DeepThink vs Luminary AI

The clearest difference is price: Luminary AI at Free against DeepThink's $2.99. DeepThink's advantage is iOS requirement (18.0 vs 26.2). On ads, in-app purchases and device support there is nothing between them.

Luminary AI is free to download; DeepThink costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | DeepThink | Luminary AI |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | **[3.0 (2 ratings)](https://appshunter.io/ios/app/deepthink/id6741049434/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 days | — |
| Monetization | Paid | — |
| Size | 21 MB | 19 MB |
| Requires iOS | **18.0** | 26.2 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | +4 | 4+ |
| Developer | [3DTOPO Inc.](https://appshunter.io/developer/306248371) | [Rebecca Despoiu](https://appshunter.io/developer/1063897792) |

## What reviewers say

### DeepThink

[App page](https://appshunter.io/ios/app/deepthink/id6741049434)

This AI assistant operates entirely on your device, offering private and unlimited conversations without needing an internet connection. It utilizes a self-reflection model for accurate reasoning and provides formatted output for easy use. Share with family for a secure, offline thinking partner.

**Highlights:** Complete privacy on-device processing, Offline functionality, Unlimited conversations, Markdown and LaTeX rendering, Full chat history, Family Sharing up to 6 members, AI self-reflection for thoughtful responses

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

**In-app purchases:** none


### Luminary AI

[App page](https://appshunter.io/ios/app/luminary-ai/id6760267444)

**In-app purchases:** none


## Frequently asked questions

### Is DeepThink free?

DeepThink costs $2.99, with no in-app purchases.

### Is Luminary AI free?

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

### Do DeepThink or Luminary AI have ads?

Neither DeepThink nor Luminary AI shows ads.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*