# Dyno Nobel Explosives' Guide vs VoxSMS

The clearest difference is rating: VoxSMS at 5.0 against Dyno Nobel Explosives' Guide's 3.6. Dyno Nobel Explosives' Guide's advantage is update cadence (every 2 months vs every 10 months) and ratings volume (8 vs 1). On price, ads, in-app purchases and monetization model there is nothing between them.

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

VoxSMS holds the better App Store score, 5.0 against 3.6. That said, the two scores are not equally well evidenced: Dyno Nobel Explosives' Guide has 8 ratings behind it against 1, so its average is the more settled of the two.

Dyno Nobel Explosives' Guide ships an update every 2 months, VoxSMS every 10 months. The most recent releases landed on October 23, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Dyno Nobel Explosives' Guide | VoxSMS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.6 (8 ratings)](https://appshunter.io/ios/app/dyno-nobel-explosives-guide/id557149728/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/voxsms/id1514259980/reviews)** |
| Number of ratings | **8** | 1 |
| Positive reviews | 85.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 10 months |
| Monetization | Free | Free |
| Size | 9 MB | 55 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) | [Textable LLC](https://appshunter.io/developer/1395042035) |

## 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


### VoxSMS

[App page](https://appshunter.io/ios/app/voxsms/id1514259980)

Communicate via SMS using your dedicated business phone numbers. This app allows you to send and receive text messages directly from your mobile device, integrating seamlessly with your existing service.

**Highlights:** Send and receive SMS, Use business phone numbers, Mobile messaging, Voxtelesys integration

**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 VoxSMS free?

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

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

VoxSMS is rated higher. Dyno Nobel Explosives' Guide averages 3.6 out of 5 from 8 ratings, while VoxSMS averages 5.0 from 1 ratings.

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

Neither Dyno Nobel Explosives' Guide nor VoxSMS shows ads.

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

Dyno Nobel Explosives' Guide ships an update every 2 months, and VoxSMS every 10 months. Most recently, Dyno Nobel Explosives' Guide was updated on October 23, 2026 and VoxSMS on October 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.*