# WeldZip vs Education Is KEY

The clearest difference is device support: WeldZip at 3 against Education Is KEY's 1. WeldZip also leads on iOS requirement (12.0 vs 16.4). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

WeldZip ships an update every 8 months, Education Is KEY every 5 months. The most recent releases landed on September 9, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | WeldZip | Education Is KEY |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.0 (3 ratings)](https://appshunter.io/ios/app/education-is-key/id6744249929/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 5 months** |
| Monetization | — | Free |
| Size | 85 MB | 63 MB |
| Requires iOS | **12.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Shanghai KongDe IT Co., LTD.](https://appshunter.io/developer/1235370082) | [KFH Industries, INC](https://appshunter.io/developer/1806664179) |

## What reviewers say

### WeldZip

[App page](https://appshunter.io/ios/app/weldzip/id6739935720)

**Features:** macOS Compatibility

**In-app purchases:** none


### Education Is KEY

[App page](https://appshunter.io/ios/app/education-is-key/id6744249929)

This tool provides firefighters with essential hose data and calculations, including friction loss, GPM, and nozzle pressure. It also serves as a product catalog for hose specifications and helps locate local product experts.

**Highlights:** Friction loss calculator, GPM and nozzle pressure reference, Key Hose product catalog, Local product expert finder, Fire service interface

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is WeldZip free?

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

### Is Education Is KEY free?

Education Is KEY is free to download, with no in-app purchases.

### Do WeldZip or Education Is KEY have ads?

Neither WeldZip nor Education Is KEY shows ads.

### Which is updated more often, WeldZip or Education Is KEY?

WeldZip ships an update every 8 months, and Education Is KEY every 5 months. Most recently, WeldZip was updated on September 9, 2026 and Education Is KEY on September 24, 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.*