# Dyno Nobel Explosives' Guide vs Goodwill GH

The clearest difference is iOS requirement: Goodwill GH at 13.0 against Dyno Nobel Explosives' Guide's 16.0. 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.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 23, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | Dyno Nobel Explosives' Guide | Goodwill GH |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.6 (8 ratings)](https://appshunter.io/ios/app/dyno-nobel-explosives-guide/id557149728/reviews)** | — |
| Number of ratings | **8** | — |
| Positive reviews | 85.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | Free | — |
| Size | 9 MB | 33 MB |
| Requires iOS | 16.0 | **13.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Dyno Nobel](https://appshunter.io/developer/557149891) | [秀前 朱](https://appshunter.io/developer/1739380262) |

## What reviewers say

### Dyno Nobel Explosives' Guide

[App page](https://appshunter.io/ios/app/dyno-nobel-explosives-guide/id557149728)

This app offers a comprehensive suite of blasting tools and calculators for engineers. Access detailed product specifications, real-time updates, and essential blasting data, even offline. Features include custom calculators, unit conversions, and GPS functionality.

**Highlights:** Custom blasting calculators, Product specifications and uses, Real-time news and updates, Unit conversions and definitions, Offline accessibility, Region and unit selection, GPS with location saving

**Features:** macOS Compatibility

**In-app purchases:** none


### Goodwill GH

[App page](https://appshunter.io/ios/app/goodwill-gh/id6780236137)

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

**In-app purchases:** none


## Frequently asked questions

### Is Dyno Nobel Explosives' Guide free?

Dyno Nobel Explosives' Guide is free to download, with no in-app purchases.

### Is Goodwill GH free?

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

### Do Dyno Nobel Explosives' Guide or Goodwill GH have ads?

Neither Dyno Nobel Explosives' Guide nor Goodwill GH shows ads.

### Which is updated more often, Dyno Nobel Explosives' Guide or Goodwill GH?

Dyno Nobel Explosives' Guide ships an update every 2 months, and Goodwill GH every 2 months. Most recently, Dyno Nobel Explosives' Guide was updated on October 23, 2026 and Goodwill GH on October 18, 2026.

---

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