# Dogenote vs Matrix Calc Delta

The clearest difference is ads: Dogenote at none against Matrix Calc Delta's shown. Dogenote also leads on update cadence (every 2 weeks vs every 21 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

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

Dogenote ships an update every 2 weeks, Matrix Calc Delta every 21 months. The most recent releases landed on October 7, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | Dogenote | Matrix Calc Delta |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 2 weeks** | Every 21 months |
| Size | 185 MB | 20 MB |
| Requires iOS | 14.0 | **13.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Chao Ninh](https://appshunter.io/developer/1626427828) | [Sae Ueno](https://appshunter.io/developer/1598709865) |

## What reviewers say

### Dogenote

[App page](https://appshunter.io/ios/app/dogenote/id1626427826)

**Features:** macOS Compatibility

**In-app purchases:** none


### Matrix Calc Delta

[App page](https://appshunter.io/ios/app/matrix-calc-delta/id6550892892)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Dogenote free?

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

### Is Matrix Calc Delta free?

Matrix Calc Delta is free to download, with no in-app purchases.

### Do Dogenote or Matrix Calc Delta have ads?

Matrix Calc Delta shows ads; Dogenote does not.

### Which is updated more often, Dogenote or Matrix Calc Delta?

Dogenote ships an update every 2 weeks, and Matrix Calc Delta every 21 months. Most recently, Dogenote was updated on October 7, 2026 and Matrix Calc Delta on October 4, 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.*