# ContextStacker vs LLMChat

The clearest difference is update cadence: ContextStacker at every 3 days against LLMChat's weekly. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. ContextStacker sells 2 in-app purchases, starting at $99.00 per year and LLMChat sells 3 in-app purchases, starting at $7.99 per month. Whichever you choose, the download price is not the number that matters.

ContextStacker ships an update every 3 days, LLMChat weekly. Both last shipped on October 25, 2026.

## The numbers

| Metric | ContextStacker | LLMChat |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 3 days** | Weekly |
| Size | 7 MB | 41 MB |
| Requires iOS | 17.0 | **16.4** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [鹏源 邱](https://appshunter.io/developer/1042192961) | [上海勋鸿文化传播有限公司](https://appshunter.io/developer/1530349358) |

## What reviewers say

### 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 |


### LLMChat

[App page](https://appshunter.io/ios/app/llmchat-ai-workspace/id6777360990)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| LLMAPI Pro Monthly | $7.99 | per month |
| LLMAPI Max Monthly | $39.99 | per month |
| LLMAPI Ultra Monthly | $149.99 | per month |


## Frequently asked questions

### Is ContextStacker free?

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

### Is LLMChat free?

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

### Do ContextStacker or LLMChat have ads?

Neither ContextStacker nor LLMChat shows ads.

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

ContextStacker ships an update every 3 days, and LLMChat weekly. Most recently, ContextStacker was updated on October 25, 2026 and LLMChat on October 25, 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.*