# 4 Quadrant Rule vs Keepwell

The clearest difference is in-app purchases: 4 Quadrant Rule at none against Keepwell's 3. 4 Quadrant Rule also leads on iOS requirement (13.0 vs 17). On price, ads and device support there is nothing between them.

Both are free to download. Keepwell sells 3 in-app purchases, starting at $3.99 per month. 4 Quadrant Rule asks for nothing beyond the download.

## The numbers

| Metric | 4 Quadrant Rule | Keepwell |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Weekly |
| Size | 24 MB | 38 MB |
| Requires iOS | **13.0** | 17 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Xiamen City Fanyou Network Technology Co., Ltd.](https://appshunter.io/developer/1842524161) | [Luan Gomes](https://appshunter.io/developer/6787972656) |

## What reviewers say

### 4 Quadrant Rule

[App page](https://appshunter.io/ios/app/4-quadrant-rule-task-planner/id6786556931)

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

**In-app purchases:** none


### Keepwell

[App page](https://appshunter.io/ios/app/keepwell-save-now-ask-later/id6787972654)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Keepwell Plus | $3.99 | per month |
| Keepwell Plus | $29.99 | per year |
| Keepwell Plus Lifetime | $89.99 | one-time |


## Frequently asked questions

### Is 4 Quadrant Rule free?

4 Quadrant Rule is free to download, with no in-app purchases.

### Is Keepwell free?

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

### Do 4 Quadrant Rule or Keepwell have ads?

Neither 4 Quadrant Rule nor Keepwell shows ads.

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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.*