# Material Master vs App & Know

The clearest difference is update cadence: App & Know at every 2 months against Material Master's every 14 months. On price, ads, in-app purchases and device support there is nothing between them.

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

Material Master ships an update every 14 months, App & Know every 2 months. The most recent releases landed on October 12, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Material Master | App & Know |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 14 months | **Every 2 months** |
| Size | 44 MB | 109 MB |
| Requires iOS | 16.0 | **15.6** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [GE MAO RUBBER INDUSTRIAL CO., LTD.](https://appshunter.io/developer/1078558543) | [IDenta Corp](https://appshunter.io/developer/1605550722) |

## What reviewers say

### Material Master

[App page](https://appshunter.io/ios/app/material-master/id1253339380)

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

**In-app purchases:** none


### App & Know

[App page](https://appshunter.io/ios/app/app-and-know/id1605550720)

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

**In-app purchases:** none


## Frequently asked questions

### Is Material Master free?

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

### Is App & Know free?

App & Know is free to download, with no in-app purchases.

### Do Material Master or App & Know have ads?

Neither Material Master nor App & Know shows ads.

### Which is updated more often, Material Master or App & Know?

Material Master ships an update every 14 months, and App & Know every 2 months. Most recently, Material Master was updated on October 12, 2026 and App & Know on October 25, 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.*