# fedfedfed vs Cognitive Grid

The clearest difference is update cadence: Cognitive Grid at every 6 days against fedfedfed's fortnightly. fedfedfed's advantage is iOS requirement (13.0 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.

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

fedfedfed ships an update fortnightly, Cognitive Grid every 6 days. The most recent releases landed on October 4, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | fedfedfed | Cognitive Grid |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 6 days** |
| Size | 23 MB | 162 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [FedFedFed Inc.](https://appshunter.io/developer/1286847286) | [金儀國際科技股份有限公司](https://appshunter.io/developer/1029345770) |

## What reviewers say

### fedfedfed

[App page](https://appshunter.io/ios/app/fedfedfed/id1286847287)

**Features:** macOS Compatibility

**In-app purchases:** none


### Cognitive Grid

[App page](https://appshunter.io/ios/app/cognitive-grid-cgp/id6779097767)

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

**In-app purchases:** none


## Frequently asked questions

### Is fedfedfed free?

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

### Is Cognitive Grid free?

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

### Do fedfedfed or Cognitive Grid have ads?

Neither fedfedfed nor Cognitive Grid shows ads.

### Which is updated more often, fedfedfed or Cognitive Grid?

fedfedfed ships an update fortnightly, and Cognitive Grid every 6 days. Most recently, fedfedfed was updated on October 4, 2026 and Cognitive Grid on October 8, 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.*