# SignifyCRM vs Bulk Material Density Guide

The clearest difference is update cadence: SignifyCRM at every 2 months against Bulk Material Density Guide's every 18 months. SignifyCRM also leads on iOS requirement (14.0 vs 16.0). On price, ads, in-app purchases and device support there is nothing between them.

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

SignifyCRM ships an update every 2 months, Bulk Material Density Guide every 18 months. The most recent releases landed on June 11, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | SignifyCRM | 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** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 18 months |
| Monetization | — | Free |
| Size | 80 MB | 3 MB |
| Requires iOS | **14.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Signify](https://appshunter.io/developer/1235465585) | [Sean Patterson](https://appshunter.io/developer/1437079753) |

## What reviewers say

### SignifyCRM

[App page](https://appshunter.io/ios/app/signifycrm/id1235465586)

**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 SignifyCRM free?

SignifyCRM 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 SignifyCRM or Bulk Material Density Guide have ads?

Neither SignifyCRM nor Bulk Material Density Guide shows ads.

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

SignifyCRM ships an update every 2 months, and Bulk Material Density Guide every 18 months. Most recently, SignifyCRM was updated on June 11, 2026 and Bulk Material Density Guide on September 17, 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.*