# MetriZen vs MatrixMemo

MetriZen and MatrixMemo are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

MetriZen ships an update every 3 weeks, MatrixMemo monthly. Both last shipped on October 31, 2026.

## The numbers

| Metric | MetriZen | MatrixMemo |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | **Every 3 weeks** | Monthly |
| Size | 25 MB | 35 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Xuyen Le Thi My](https://appshunter.io/developer/1883619179) | [Aoosevelt Sedgewick Makenziet](https://appshunter.io/developer/6776989365) |

## What reviewers say

### MetriZen

[App page](https://appshunter.io/ios/app/metrizen-life-parameter-log/id6762591715)

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

**In-app purchases:** none


### MatrixMemo

[App page](https://appshunter.io/ios/app/matrixmemo-flash-ideas-and-notes/id6776989363)

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

**In-app purchases:** none


## Frequently asked questions

### Is MetriZen free?

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

### Is MatrixMemo free?

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

### Do MetriZen or MatrixMemo have ads?

Both MetriZen and MatrixMemo show ads.

### Which is updated more often, MetriZen or MatrixMemo?

MetriZen ships an update every 3 weeks, and MatrixMemo monthly. Most recently, MetriZen was updated on October 31, 2026 and MatrixMemo 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.*