# 4 & Co vs Comprehend PT

The clearest difference is update cadence: Comprehend PT at every 2 months against 4 & Co's every 8 months. Comprehend PT also leads on device support (4 vs 1) and iOS requirement (13.4 vs 17.0). On price, ads and in-app purchases there is nothing between them.

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

4 & Co ships an update every 8 months, Comprehend PT every 2 months. The most recent releases landed on October 3, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | 4 & Co | Comprehend PT |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 2 months** |
| Size | 29 MB | 14 MB |
| Requires iOS | 17.0 | **13.4** |
| Devices | iPhone | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 4+ | 17+ |
| Developer | [CrissCross Center Co](https://appshunter.io/developer/1608149656) | [Comprehend PT](https://appshunter.io/developer/1742258727) |

## What reviewers say

### 4 & Co

[App page](https://appshunter.io/ios/app/4-and-co/id1608149654)

**In-app purchases:** none


### Comprehend PT

[App page](https://appshunter.io/ios/app/comprehend-pt/id6499058918)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is 4 & Co free?

4 & Co is free to download, with no in-app purchases.

### Is Comprehend PT free?

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

### Do 4 & Co or Comprehend PT have ads?

Neither 4 & Co nor Comprehend PT shows ads.

### Which is updated more often, 4 & Co or Comprehend PT?

4 & Co ships an update every 8 months, and Comprehend PT every 2 months. Most recently, 4 & Co was updated on October 3, 2026 and Comprehend PT on October 18, 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.*