# MatrixMemo vs Water Tracker

The clearest difference is iOS requirement: Water Tracker at 13.0 against MatrixMemo's 15.0. On price, update cadence, ads and in-app purchases there is nothing between them.

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

MatrixMemo ships an update monthly, Water Tracker every 2 months. The most recent releases landed on October 31, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | MatrixMemo | Water Tracker |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | **Monthly** | Every 2 months |
| Size | 35 MB | 43 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Aoosevelt Sedgewick Makenziet](https://appshunter.io/developer/6776989365) | [Beryl Tomin](https://appshunter.io/developer/6784076304) |

## What reviewers say

### MatrixMemo

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

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

**In-app purchases:** none


### Water Tracker

[App page](https://appshunter.io/ios/app/water-tracker-daily-hydrate/id6784084277)

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

**In-app purchases:** none


## Frequently asked questions

### Is MatrixMemo free?

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

### Is Water Tracker free?

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

### Do MatrixMemo or Water Tracker have ads?

Both MatrixMemo and Water Tracker show ads.

### Which is updated more often, MatrixMemo or Water Tracker?

MatrixMemo ships an update monthly, and Water Tracker every 2 months. Most recently, MatrixMemo was updated on October 31, 2026 and Water Tracker on October 28, 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.*