# MasterMath App vs Knowfeed

MasterMath App and Knowfeed are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support 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.

## The numbers

| Metric | MasterMath App | Knowfeed |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Monthly |
| Size | 14 MB | 31 MB |
| Requires iOS | 15.6 | **15.1** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Daniel Hatef](https://appshunter.io/developer/1871738163) | [Jonas Fancony](https://appshunter.io/developer/1896501927) |

## What reviewers say

### MasterMath App

[App page](https://appshunter.io/ios/app/mastermath-app/id6758248374)

**Features:** macOS Compatibility

**In-app purchases:** none


### Knowfeed

[App page](https://appshunter.io/ios/app/knowfeed/id6770065298)

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

**In-app purchases:** none


## Frequently asked questions

### Is MasterMath App free?

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

### Is Knowfeed free?

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

### Do MasterMath App or Knowfeed have ads?

Neither MasterMath App nor Knowfeed shows ads.

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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.*