# CruxAI vs ContextStacker

The clearest difference is in-app purchases: CruxAI at none against ContextStacker's 2. ContextStacker's advantage is update cadence (every 3 days vs every 11 days). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. ContextStacker sells 2 in-app purchases, starting at $99.00 per year. CruxAI asks for nothing beyond the download.

CruxAI ships an update every 11 days, ContextStacker every 3 days. The most recent releases landed on October 1, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | CruxAI | ContextStacker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/cruxai/id6759998233/reviews)** | — |
| Number of ratings | **3** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 11 days | **Every 3 days** |
| Monetization | Free | — |
| Size | 41 MB | 7 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [Evangelos Karambelas](https://appshunter.io/developer/1839312613) | [鹏源 邱](https://appshunter.io/developer/1042192961) |

## What reviewers say

### CruxAI

[App page](https://appshunter.io/ios/app/cruxai/id6759998233)

Engage in natural conversations, research topics, and unleash creativity with a powerful AI assistant. Generate images, search information instantly, and explore custom AI experiences built by the community.

**Highlights:** Real-time voice conversations with Live Mode, High-quality image generation, Deep message search, Community-driven AI Apps, Privacy-focused customization, Local model execution

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

**In-app purchases:** none


### ContextStacker

[App page](https://appshunter.io/ios/app/contextstacker/id6774051551)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Annual | $99.00 | per year |
| Business Annual | $199.00 | per year |


## Frequently asked questions

### Is CruxAI free?

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

### Is ContextStacker free?

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

### Do CruxAI or ContextStacker have ads?

Neither CruxAI nor ContextStacker shows ads.

### Which is updated more often, CruxAI or ContextStacker?

CruxAI ships an update every 11 days, and ContextStacker every 3 days. Most recently, CruxAI was updated on October 1, 2026 and ContextStacker 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.*