# Cognitive Compass vs Stock Knocks

The clearest difference is in-app purchases: Stock Knocks at none against Cognitive Compass's 1. Stock Knocks also leads on ads (none vs shown) and iOS requirement (15.0 vs 18.2). On price, update cadence and device support there is nothing between them.

Both are free to download. Cognitive Compass sells 1 in-app purchase, starting at $4.99 per month. Stock Knocks asks for nothing beyond the download.

Cognitive Compass ships an update monthly, Stock Knocks every 3 weeks. The most recent releases landed on October 7, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | Cognitive Compass | Stock Knocks |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Monthly | **Every 3 weeks** |
| Size | 30 MB | 44 MB |
| Requires iOS | 18.2 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [FooWibble](https://appshunter.io/developer/1785079752) | [Stock Knocks](https://appshunter.io/developer/1814048767) |

## What reviewers say

### Cognitive Compass

[App page](https://appshunter.io/ios/app/cognitive-compass/id6744084178)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly Access | $4.99 | per month |


### Stock Knocks

[App page](https://appshunter.io/ios/app/stock-knocks/id6745810456)

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

**In-app purchases:** none


## Frequently asked questions

### Is Cognitive Compass free?

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

### Is Stock Knocks free?

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

### Do Cognitive Compass or Stock Knocks have ads?

Cognitive Compass shows ads; Stock Knocks does not.

### Which is updated more often, Cognitive Compass or Stock Knocks?

Cognitive Compass ships an update monthly, and Stock Knocks every 3 weeks. Most recently, Cognitive Compass was updated on October 7, 2026 and Stock Knocks on September 30, 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.*