# Artnet Knife vs Half That Calculator

The clearest difference is ads: Artnet Knife at none against Half That Calculator's shown. Artnet Knife also leads on iOS requirement (9.3 vs 13.0). Half That Calculator's advantage is update cadence (every 6 months vs every 69 months). On price, 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.

Artnet Knife ships an update every 69 months, Half That Calculator every 6 months. The most recent releases landed on October 26, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Artnet Knife | Half That Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/half-that-calculator/id6462308344/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 69 months | **Every 6 months** |
| Monetization | — | Ad-supported |
| Size | 1 MB | 39 MB |
| Requires iOS | **9.3** | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Hado Hein](https://appshunter.io/developer/642767573) | [Innovative Tomato, LLC](https://appshunter.io/developer/1265226906) |

## What reviewers say

### Artnet Knife

[App page](https://appshunter.io/ios/app/artnet-knife/id763239906)

**Features:** macOS Compatibility

**In-app purchases:** none


### Half That Calculator

[App page](https://appshunter.io/ios/app/half-that-calculator/id6462308344)

This app quickly calculates half of any number you enter, supporting both decimals and fractions. It's a handy tool for various projects like crafting, woodworking, and construction.

**Highlights:** Calculate half of any number, Supports decimal input, Supports fraction input (up to 32nds), Useful for crafts and construction, Simple and intuitive interface

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Artnet Knife free?

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

### Is Half That Calculator free?

Half That Calculator is free to download, with no in-app purchases.

### Do Artnet Knife or Half That Calculator have ads?

Half That Calculator shows ads; Artnet Knife does not.

### Which is updated more often, Artnet Knife or Half That Calculator?

Artnet Knife ships an update every 69 months, and Half That Calculator every 6 months. Most recently, Artnet Knife was updated on October 26, 2026 and Half That Calculator on November 3, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*