# ChatAsk vs ContextStacker

The clearest difference is ads: ContextStacker at none against ChatAsk's shown. ContextStacker also leads on update cadence (every 3 days vs every 4 weeks). ChatAsk's advantage is iOS requirement (13.0 vs 17.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. ChatAsk sells 3 in-app purchases, starting at $3.19 per 7 days and ContextStacker sells 2 in-app purchases, starting at $99.00 per year. Whichever you choose, the download price is not the number that matters.

ChatAsk ships an update every 4 weeks, ContextStacker every 3 days. The most recent releases landed on October 2, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | ChatAsk | ContextStacker |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 4 weeks | **Every 3 days** |
| Size | 23 MB | 7 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 9+ | 4+ |
| Developer | [Qijie Information](https://appshunter.io/developer/1717060398) | [鹏源 邱](https://appshunter.io/developer/1042192961) |

## What reviewers say

### ChatAsk

[App page](https://appshunter.io/ios/app/chatask-ai-conversation4/id6472601901)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Plus | $3.19 | per 7 days |
| Monthly Plus | $9.99 | per month |
| Annual Plus | $89.99 | per year |


### 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 ChatAsk free?

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

### Is ContextStacker free?

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

### Do ChatAsk or ContextStacker have ads?

ChatAsk shows ads; ContextStacker does not.

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

ChatAsk ships an update every 4 weeks, and ContextStacker every 3 days. Most recently, ChatAsk was updated on October 2, 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.*