# HarbisonWalker Mobile Tools vs IEEE

The clearest difference is update cadence: IEEE at every 2 months against HarbisonWalker Mobile Tools's every 11 months. IEEE also leads on iOS requirement (12.0 vs 15.6). 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.

HarbisonWalker Mobile Tools ships an update every 11 months, IEEE every 2 months. The most recent releases landed on November 1, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | HarbisonWalker Mobile Tools | IEEE |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/harbisonwalker-mobile-tools/id918657435/reviews)** | — |
| Number of ratings | **4** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 11 months | **Every 2 months** |
| Monetization | Free | — |
| Size | 11 MB | 85 MB |
| Requires iOS | 15.6 | **12.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Harbisonwalker International Holdings, Inc.](https://appshunter.io/developer/804111234) | [vFairs LLC](https://appshunter.io/developer/1349888986) |

## What reviewers say

### HarbisonWalker Mobile Tools

[App page](https://appshunter.io/ios/app/harbisonwalker-mobile-tools/id918657435)

This app helps users calculate water needed for refractory monolithic products. It also provides access to product safety data sheets and a locator for the nearest global sourcing center.

**Highlights:** Water Mix Calculator, Product Safety Data Sheets, Global Sourcing Center Locator, Refractory Monolithics Information

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### IEEE

[App page](https://appshunter.io/ios/app/ieee-iaspca-cement-conf/id6740894471)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is HarbisonWalker Mobile Tools free?

HarbisonWalker Mobile Tools is free to download, with no in-app purchases.

### Is IEEE free?

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

### Do HarbisonWalker Mobile Tools or IEEE have ads?

Neither HarbisonWalker Mobile Tools nor IEEE shows ads.

### Which is updated more often, HarbisonWalker Mobile Tools or IEEE?

HarbisonWalker Mobile Tools ships an update every 11 months, and IEEE every 2 months. Most recently, HarbisonWalker Mobile Tools was updated on November 1, 2026 and IEEE on October 30, 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.*