# NexusVault vs 4 Quadrant Rule

The clearest difference is price: NexusVault at Free against 4 Quadrant Rule's $1.99. 4 Quadrant Rule's advantage is in-app purchases (none vs 2) and iOS requirement (13.0 vs 26.0). On ads and device support there is nothing between them.

NexusVault is free to download; 4 Quadrant Rule costs $1.99 up front. NexusVault sells 1 one-off in-app purchase. 4 Quadrant Rule asks for nothing beyond the download.

## The numbers

| Metric | NexusVault | 4 Quadrant Rule |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Size | 8 MB | 24 MB |
| Requires iOS | 26.0 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [xiles](https://appshunter.io/developer/375123556) | [Xiamen City Fanyou Network Technology Co., Ltd.](https://appshunter.io/developer/1842524161) |

## What reviewers say

### NexusVault

[App page](https://appshunter.io/ios/app/nexusvault/id6769770923)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro | $4.99 | one-time |


### 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


## Frequently asked questions

### Is NexusVault free?

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

### Is 4 Quadrant Rule free?

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

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

Neither NexusVault nor 4 Quadrant Rule shows ads.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*