# Positional Encoding vs Math Challenge by 0011.uk

The clearest difference is update cadence: Math Challenge by 0011.uk at every 2 weeks against Positional Encoding's monthly. Math Challenge by 0011.uk also leads on iOS requirement (15.1 vs 18.5). 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.

Positional Encoding ships an update monthly, Math Challenge by 0011.uk every 2 weeks. Both last shipped on November 12, 2026.

## The numbers

| Metric | Positional Encoding | Math Challenge by 0011.uk |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 2 weeks** |
| Size | 2 MB | 35 MB |
| Requires iOS | 18.5 | **15.1** |
| Devices | iPhone, iPad, Mac | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [carl nohre](https://appshunter.io/developer/452344755) | [Panupong Sakulsaeng](https://appshunter.io/developer/1848610895) |

## What reviewers say

### Positional Encoding

[App page](https://appshunter.io/ios/app/positional-encoding/id6749869150)

**In-app purchases:** none


### Math Challenge by 0011.uk

[App page](https://appshunter.io/ios/app/math-challenge-by-0011uk/id6755386689)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Positional Encoding free?

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

### Is Math Challenge by 0011.uk free?

Math Challenge by 0011.uk is free to download, with no in-app purchases.

### Do Positional Encoding or Math Challenge by 0011.uk have ads?

Neither Positional Encoding nor Math Challenge by 0011.uk shows ads.

### Which is updated more often, Positional Encoding or Math Challenge by 0011.uk?

Positional Encoding ships an update monthly, and Math Challenge by 0011.uk every 2 weeks. Most recently, Positional Encoding was updated on November 12, 2026 and Math Challenge by 0011.uk on November 12, 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.*