# ARPRO vs Bulk Material Density Guide

The clearest difference is update cadence: ARPRO at fortnightly against Bulk Material Density Guide's every 18 months. ARPRO also leads on iOS requirement (13.0 vs 16.0). 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.

ARPRO ships an update fortnightly, Bulk Material Density Guide every 18 months. The most recent releases landed on September 10, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | ARPRO | Bulk Material Density Guide |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (5 ratings)](https://appshunter.io/ios/app/bulk-material-density-guide/id1454584553/reviews)** |
| Number of ratings | — | **5** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 18 months |
| Monetization | Free | Free |
| Size | 9 MB | 3 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [JSP Corporation](https://appshunter.io/developer/1091611759) | [Sean Patterson](https://appshunter.io/developer/1437079753) |

## What reviewers say

### ARPRO

[App page](https://appshunter.io/ios/app/arpro/id1091611760)

This application assists users with grade selection using augmented reality technology. It provides a tool for visualizing and choosing appropriate grades within a business context.

**Highlights:** Augmented reality grade selection, Business grade visualization, Intuitive interface, Grade selection tool

**In-app purchases:** none


### Bulk Material Density Guide

[App page](https://appshunter.io/ios/app/bulk-material-density-guide/id1454584553)

This reference tool helps users find the bulk density of over 1700 materials. It's designed for professionals working with powders and bulk solids, assisting in conveyor specification and production system design. Search for materials by typing their name to quickly get estimated bulk density values.

**Highlights:** Search over 1700 materials, Find bulk density for powders and solids, Assists in conveyor specification, Aids in production system design, Quick search by typing material name, Provides estimated density values

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ARPRO free?

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

### Is Bulk Material Density Guide free?

Bulk Material Density Guide is free to download, with no in-app purchases.

### Do ARPRO or Bulk Material Density Guide have ads?

Neither ARPRO nor Bulk Material Density Guide shows ads.

### Which is updated more often, ARPRO or Bulk Material Density Guide?

ARPRO ships an update fortnightly, and Bulk Material Density Guide every 18 months. Most recently, ARPRO was updated on September 10, 2026 and Bulk Material Density Guide on September 17, 2026.

---

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