# Dyno Nobel Explosives' Guide vs Pyro PM

Dyno Nobel Explosives' Guide and Pyro PM are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

Dyno Nobel Explosives' Guide ships an update every 2 months, Pyro PM every 6 weeks. The most recent releases landed on October 12, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Dyno Nobel Explosives' Guide | Pyro PM |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.4 (7 ratings)](https://appshunter.io/ios/app/dyno-nobel-explosives-guide/id557149728/reviews)** | — |
| Number of ratings | **7** | — |
| Positive reviews | 85.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 6 weeks** |
| Monetization | Free | — |
| Size | 9 MB | 49 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Dyno Nobel](https://appshunter.io/developer/557149891) | [Parse AB](https://appshunter.io/developer/1558662047) |

## 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


### Pyro PM

[App page](https://appshunter.io/ios/app/pyro-pm/id1558662045)

**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 Pyro PM free?

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

### Do Dyno Nobel Explosives' Guide or Pyro PM have ads?

Neither Dyno Nobel Explosives' Guide nor Pyro PM shows ads.

### Which is updated more often, Dyno Nobel Explosives' Guide or Pyro PM?

Dyno Nobel Explosives' Guide ships an update every 2 months, and Pyro PM every 6 weeks. Most recently, Dyno Nobel Explosives' Guide was updated on October 12, 2026 and Pyro PM on October 6, 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.*