# Simple Memo Matelial vs 4Quadrants

The clearest difference is in-app purchases: 4Quadrants at none against Simple Memo Matelial's 2. Simple Memo Matelial's advantage is iOS requirement (15.6 vs 26.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Simple Memo Matelial sells 2 one-off in-app purchases. 4Quadrants asks for nothing beyond the download.

Simple Memo Matelial ships an update every 4 days, 4Quadrants every 6 days. The most recent releases landed on October 25, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Simple Memo Matelial | 4Quadrants |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 6 days |
| Size | 21 MB | 6 MB |
| Requires iOS | **15.6** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Morikawa Tatsunosuke](https://appshunter.io/developer/1736869704) | [颢宸 唐](https://appshunter.io/developer/1875716414) |

## What reviewers say

### Simple Memo Matelial

[App page](https://appshunter.io/ios/app/simple-memo-matelial/id6479680760)

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Support developers | $0.99 | one-time |
| Support developers | $2.99 | one-time |


### 4Quadrants

[App page](https://appshunter.io/ios/app/4quadrants/id6758995394)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Simple Memo Matelial free?

Simple Memo Matelial is free to download, with in-app purchases available.

### Is 4Quadrants free?

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

### Do Simple Memo Matelial or 4Quadrants have ads?

Neither Simple Memo Matelial nor 4Quadrants shows ads.

### Which is updated more often, Simple Memo Matelial or 4Quadrants?

Simple Memo Matelial ships an update every 4 days, and 4Quadrants every 6 days. Most recently, Simple Memo Matelial was updated on October 25, 2026 and 4Quadrants on October 31, 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.*