# Nexus ACE Explorer vs Math Queen / Math King

The clearest difference is update cadence: Nexus ACE Explorer at every 2 months against Math Queen / Math King's every 30 months. Nexus ACE Explorer also leads on iOS requirement (12.0 vs 26.0). 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.

Nexus ACE Explorer ships an update every 2 months, Math Queen / Math King every 30 months. Both last shipped on September 14, 2026.

## The numbers

| Metric | Nexus ACE Explorer | Math Queen / Math King |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 30 months |
| Size | 271 MB | 11 MB |
| Requires iOS | **12.0** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [NEUROSCAPE ALLIANCE](https://appshunter.io/developer/1459562932) | [Gerhard Lentschik](https://appshunter.io/developer/629988041) |

## What reviewers say

### Nexus ACE Explorer

[App page](https://appshunter.io/ios/app/nexus-ace-explorer/id1535644559)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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


## Frequently asked questions

### Is Nexus ACE Explorer free?

Nexus ACE Explorer is free to download, with no in-app purchases.

### Is Math Queen / Math King free?

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

### Do Nexus ACE Explorer or Math Queen / Math King have ads?

Neither Nexus ACE Explorer nor Math Queen / Math King shows ads.

### Which is updated more often, Nexus ACE Explorer or Math Queen / Math King?

Nexus ACE Explorer ships an update every 2 months, and Math Queen / Math King every 30 months. Most recently, Nexus ACE Explorer was updated on September 14, 2026 and Math Queen / Math King on September 14, 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.*