# BlasToolsPro vs Dyno Nobel Explosives' Guide

The clearest difference is price: Dyno Nobel Explosives' Guide at Free against BlasToolsPro's $21.99. Dyno Nobel Explosives' Guide also leads on update cadence (every 2 months vs every 12 months). BlasToolsPro's advantage is rating (4.0 vs 3.6) and iOS requirement (12.0 vs 16.0). On ratings volume, ads, in-app purchases and device support there is nothing between them.

Dyno Nobel Explosives' Guide is free to download; BlasToolsPro costs $21.99 up front. Neither carries in-app purchases, so what you see is what you pay.

BlasToolsPro holds the better App Store score, 4.0 against 3.6. Both are backed by a comparable volume of ratings — 4 and 8 respectively.

BlasToolsPro ships an update every 12 months, Dyno Nobel Explosives' Guide every 2 months. The most recent releases landed on October 11, 2026 and October 23, 2026 respectively.

## The numbers

| Metric | BlasToolsPro | Dyno Nobel Explosives' Guide |
| --- | --- | --- |
| Price | $21.99 | **Free** |
| Rating | **[4.0 (4 ratings)](https://appshunter.io/ios/app/blastoolspro/id515747232/reviews)** | [3.6 (8 ratings)](https://appshunter.io/ios/app/dyno-nobel-explosives-guide/id557149728/reviews) |
| Number of ratings | 4 | **8** |
| Positive reviews | — | 85.7% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 12 months | **Every 2 months** |
| Monetization | Paid | **Free** |
| Size | 8 MB | 9 MB |
| Requires iOS | **12.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Pavel Popov Consulting Inc.](https://appshunter.io/developer/515747235) | [Dyno Nobel](https://appshunter.io/developer/557149891) |

## What reviewers say

### BlasToolsPro

[App page](https://appshunter.io/ios/app/blastoolspro/id515747232)

This application provides over 100 formulas for blast pattern design, delay timing, volume calculations, and vibration prediction. It also includes conversion tools for various units of length, weight, velocity, area, pressure, and volume.

**Highlights:** Blast pattern design formulas, Delay timing calculations, Volume, weight, and powder factor calculations, Angled hole analysis, Pre-split design tools, Decoupled charge calculations, Wet hole and vibration prediction, Extensive unit conversions

**Features:** macOS Compatibility

**In-app purchases:** none


### 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


## Frequently asked questions

### Is BlasToolsPro free?

BlasToolsPro costs $21.99, with no in-app purchases.

### Is Dyno Nobel Explosives' Guide free?

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

### Which has better reviews, BlasToolsPro or Dyno Nobel Explosives' Guide?

BlasToolsPro is rated higher. BlasToolsPro averages 4.0 out of 5 from 4 ratings, while Dyno Nobel Explosives' Guide averages 3.6 from 8 ratings.

### Do BlasToolsPro or Dyno Nobel Explosives' Guide have ads?

Neither BlasToolsPro nor Dyno Nobel Explosives' Guide shows ads.

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

BlasToolsPro ships an update every 12 months, and Dyno Nobel Explosives' Guide every 2 months. Most recently, BlasToolsPro was updated on October 11, 2026 and Dyno Nobel Explosives' Guide on October 23, 2026.

---

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