# Numsy vs Positional Encoding

The clearest difference is update cadence: Positional Encoding at monthly against Numsy's every 21 months. Numsy's advantage is iOS requirement (16.6 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.

Numsy ships an update every 21 months, Positional Encoding monthly. The most recent releases landed on October 10, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Numsy | Positional Encoding |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 21 months | **Monthly** |
| Monetization | Free | — |
| Size | 8 MB | 2 MB |
| Requires iOS | **16.6** | 18.5 |
| Devices | iPhone, iPad | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Stephan Lindow](https://appshunter.io/developer/1516183961) | [carl nohre](https://appshunter.io/developer/452344755) |

## What reviewers say

### Numsy

[App page](https://appshunter.io/ios/app/numsy/id1516183962)

Master numeral system conversions between binary, hexadecimal, and decimal. This tool is designed for computer professionals to quickly convert numbers mentally for tasks like IP addresses and color codes.

**Highlights:** Binary conversion, Hexadecimal conversion, Decimal conversion, Mental math practice, Computer science applications

**In-app purchases:** none


### Positional Encoding

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

**In-app purchases:** none


## Frequently asked questions

### Is Numsy free?

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

### Is Positional Encoding free?

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

### Do Numsy or Positional Encoding have ads?

Neither Numsy nor Positional Encoding shows ads.

### Which is updated more often, Numsy or Positional Encoding?

Numsy ships an update every 21 months, and Positional Encoding monthly. Most recently, Numsy was updated on October 10, 2026 and Positional Encoding on October 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.*