# Bulk Material Density Guide vs Concord Materials

The clearest difference is update cadence: Concord Materials at every 5 weeks against Bulk Material Density Guide's every 18 months. Concord Materials also leads on iOS requirement (13.0 vs 16.0). On price, rating, ratings volume and ads there is nothing between them.

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

On the App Store both sit at effectively the same score — 5.0 for Bulk Material Density Guide against 5.0 for Concord Materials. Both are backed by a comparable volume of ratings — 5 and 2 respectively.

Bulk Material Density Guide ships an update every 18 months, Concord Materials every 5 weeks. The most recent releases landed on September 17, 2026 and July 24, 2026 respectively.

## The numbers

| Metric | Bulk Material Density Guide | Concord Materials |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (5 ratings)](https://appshunter.io/ios/app/bulk-material-density-guide/id1454584553/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/concord-materials/id1544920463/reviews) |
| Number of ratings | **5** | 2 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 18 months | **Every 5 weeks** |
| Monetization | Free | Free |
| Size | 3 MB | 32 MB |
| Requires iOS | 16.0 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Sean Patterson](https://appshunter.io/developer/1437079753) | [TrackMy LLC](https://appshunter.io/developer/961395564) |

## What reviewers say

### 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


### Concord Materials

[App page](https://appshunter.io/ios/app/concord-materials/id1544920463)

This platform streamlines construction material management for producers, suppliers, and haulers. It offers electronic ordering, digital ticketing, and automated reconciliation to improve efficiency in the supply chain.

**Highlights:** Electronic ordering, Digital tickets, Automated reconciliation, Construction material management, Supplier and hauler coordination

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

**In-app purchases:** none


## Frequently asked questions

### Is Bulk Material Density Guide free?

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

### Is Concord Materials free?

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

### Which has better reviews, Bulk Material Density Guide or Concord Materials?

Bulk Material Density Guide and Concord Materials are both rated 5.0 out of 5 on the App Store, from 5 and 2 ratings respectively.

### Do Bulk Material Density Guide or Concord Materials have ads?

Neither Bulk Material Density Guide nor Concord Materials shows ads.

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

Bulk Material Density Guide ships an update every 18 months, and Concord Materials every 5 weeks. Most recently, Bulk Material Density Guide was updated on September 17, 2026 and Concord Materials on July 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.*