# 4 Quadrant Rule vs Shift Plan Reminder

The clearest difference is price: 4 Quadrant Rule at $1.99 against Shift Plan Reminder's $3.99. 4 Quadrant Rule also leads on iOS requirement (13.0 vs 17.0). On ads, in-app purchases and device support there is nothing between them.

4 Quadrant Rule costs $1.99 and Shift Plan Reminder $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | 4 Quadrant Rule | Shift Plan Reminder |
| --- | --- | --- |
| Price | **$1.99** | $3.99 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Weekly |
| Size | 24 MB | 4 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Xiamen City Fanyou Network Technology Co., Ltd.](https://appshunter.io/developer/1842524161) | [Abolfazl Rejali](https://appshunter.io/developer/6792252048) |

## 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


### Shift Plan Reminder

[App page](https://appshunter.io/ios/app/shift-plan-reminder/id6792522995)

**Features:** macOS Compatibility, Apple Watch app

**In-app purchases:** none


## Frequently asked questions

### Is 4 Quadrant Rule free?

4 Quadrant Rule costs $1.99, with no in-app purchases.

### Is Shift Plan Reminder free?

Shift Plan Reminder costs $3.99, with no in-app purchases.

### Do 4 Quadrant Rule or Shift Plan Reminder have ads?

Neither 4 Quadrant Rule nor Shift Plan Reminder 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.*