# Numsy vs CodexSyntax

The clearest difference is in-app purchases: Numsy at none against CodexSyntax's 4. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. CodexSyntax sells 4 one-off in-app purchases. Numsy asks for nothing beyond the download.

## The numbers

| Metric | Numsy | CodexSyntax |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 21 months | — |
| Monetization | Free | — |
| Size | 8 MB | 28 MB |
| Requires iOS | 16.6 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Stephan Lindow](https://appshunter.io/developer/1516183961) | [ZST](https://appshunter.io/developer/1274473128) |

## 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


### CodexSyntax

[App page](https://appshunter.io/ios/app/codexsyntax/id6752895210)

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Tip $1.99 | $1.99 | one-time |
| Tip $2.99 | $2.99 | one-time |
| Tip $4.99 | $4.99 | one-time |
| Tip $9.99 | $9.99 | one-time |


## Frequently asked questions

### Is Numsy free?

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

### Is CodexSyntax free?

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

### Do Numsy or CodexSyntax have ads?

Neither Numsy nor CodexSyntax 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.*