# Heat Treatment by AZoNetwork vs Shellac Calculator

The clearest difference is ads: Heat Treatment by AZoNetwork at none against Shellac Calculator's shown. Heat Treatment by AZoNetwork also leads on iOS requirement (8.0 vs 14.0). Shellac Calculator's advantage is update cadence (every 6 months vs every 14 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.

Heat Treatment by AZoNetwork ships an update every 14 months, Shellac Calculator every 6 months. The most recent releases landed on November 1, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Heat Treatment by AZoNetwork | Shellac Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (2 ratings)](https://appshunter.io/ios/app/heat-treatment-by-azonetwork/id974028060/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 14 months | **Every 6 months** |
| Monetization | Free | — |
| Size | 27 MB | 39 MB |
| Requires iOS | **8.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [AZoNetwork](https://appshunter.io/developer/336360747) | [Innovative Tomato, LLC](https://appshunter.io/developer/1265226906) |

## What reviewers say

### Heat Treatment by AZoNetwork

[App page](https://appshunter.io/ios/app/heat-treatment-by-azonetwork/id974028060)

Access the latest news, articles, and equipment information related to heat treatment. Share content easily and receive push notifications for new updates. Designed for professionals and enthusiasts alike.

**Highlights:** Latest news and articles, Equipment information, Content sharing via email/social media, Push notifications for updates, Information for engineers and scientists

**Features:** macOS Compatibility

**In-app purchases:** none


### Shellac Calculator

[App page](https://appshunter.io/ios/app/shellac-calculator/id6444370182)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Heat Treatment by AZoNetwork free?

Heat Treatment by AZoNetwork is free to download, with no in-app purchases.

### Is Shellac Calculator free?

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

### Do Heat Treatment by AZoNetwork or Shellac Calculator have ads?

Shellac Calculator shows ads; Heat Treatment by AZoNetwork does not.

### Which is updated more often, Heat Treatment by AZoNetwork or Shellac Calculator?

Heat Treatment by AZoNetwork ships an update every 14 months, and Shellac Calculator every 6 months. Most recently, Heat Treatment by AZoNetwork was updated on November 1, 2026 and Shellac Calculator on October 25, 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.*