# Math Queen / Math King vs Numfred

The clearest difference is in-app purchases: Math Queen / Math King at none against Numfred's 1. Numfred's advantage is update cadence (monthly vs every 30 months) and iOS requirement (18.0 vs 26.0). On price, ads and device support there is nothing between them.

Both are free to download. Numfred sells 1 one-off in-app purchase. Math Queen / Math King asks for nothing beyond the download.

Math Queen / Math King ships an update every 30 months, Numfred monthly. The most recent releases landed on September 14, 2026 and July 6, 2026 respectively.

## The numbers

| Metric | Math Queen / Math King | Numfred |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.0 (1 ratings)](https://appshunter.io/ios/app/numfred-learn-numbers/id6742475601/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 30 months | **Monthly** |
| Monetization | — | Free with in-app purchases |
| Size | 11 MB | 33 MB |
| Requires iOS | 26.0 | **18.0** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Gerhard Lentschik](https://appshunter.io/developer/629988041) | [Frank Benkelmann](https://appshunter.io/developer/1175928109) |

## What reviewers say

### Math Queen / Math King

[App page](https://appshunter.io/ios/app/math-queen-math-king/id6477328464)

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

**In-app purchases:** none


### Numfred

[App page](https://appshunter.io/ios/app/numfred-learn-numbers/id6742475601)

This app helps users improve their ability to recognize spoken numbers in 13 languages. It offers two learning modes: listening and typing, or typing and listening, with options for offline learning and adjustable difficulty.

**Highlights:** Recognize spoken numbers, Practice numbers in 13 languages, Listen & Type learning mode, Type & Listen learning mode (Premium), Offline learning, Adjustable voice speed (Premium)

**Features:** Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $9.99 | one-time |


## Frequently asked questions

### Is Math Queen / Math King free?

Math Queen / Math King is free to download, with no in-app purchases.

### Is Numfred free?

Numfred is free to download, with in-app purchases available.

### Do Math Queen / Math King or Numfred have ads?

Neither Math Queen / Math King nor Numfred shows ads.

### Which is updated more often, Math Queen / Math King or Numfred?

Math Queen / Math King ships an update every 30 months, and Numfred monthly. Most recently, Math Queen / Math King was updated on September 14, 2026 and Numfred on July 6, 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.*