# Contex.st vs Luminary AI

The clearest difference is iOS requirement: Contex.st at 18.4 against Luminary AI's 26.0. On price, update cadence, ads and in-app purchases there is nothing between them.

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

Contex.st ships an update every 4 weeks, Luminary AI every 3 weeks. The most recent releases landed on October 17, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Contex.st | Luminary AI |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 weeks | **Every 3 weeks** |
| Size | 128 MB | 70 MB |
| Requires iOS | **18.4** | 26.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 12+ |
| Developer | [Memetic Research Laboratories LLC](https://appshunter.io/developer/1814737557) | [Luminary AI](https://appshunter.io/developer/6774132461) |

## What reviewers say

### Contex.st

[App page](https://appshunter.io/ios/app/contexst/id6745994409)

**In-app purchases:** none


### Luminary AI

[App page](https://appshunter.io/ios/app/luminary-ai-explore-anything/id6774132456)

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

**In-app purchases:** none


## Frequently asked questions

### Is Contex.st free?

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

### Is Luminary AI free?

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

### Do Contex.st or Luminary AI have ads?

Neither Contex.st nor Luminary AI shows ads.

### Which is updated more often, Contex.st or Luminary AI?

Contex.st ships an update every 4 weeks, and Luminary AI every 3 weeks. Most recently, Contex.st was updated on October 17, 2026 and Luminary 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.*