# OSSGA Material Reference Guide

> OSSGA Material Reference Guide (iPhone/iPad app by OSSGA.)

- Source: https://appshunter.io/ios/app/ossga-material-reference-guide/id1188341376 (this page in markdown: same URL + `.md`)
- Developer: [OSSGA](https://appshunter.io/developer/1188341375)
- Category: Reference, Utilities
- Price: $6.99
- Age rating: 4+
- Requires: iOS 8.0 · 156 MB
- Released: 2017-04-06
- Data updated: 2026-08-27
- User reviews in markdown: https://appshunter.io/ios/app/ossga-material-reference-guide/id1188341376/reviews.md

## What is OSSGA Material Reference Guide?

The Ontario Stone, Sand & Gravel Material Reference App provides aggregate specifications for granular base and subbase, concrete, hot mix aggregates and other aggregates.  The app also provides information on sampling aggregates, conducting a sieve analysis of aggregates, definitions and a glossary of terms is provided.  The app features a conversion calculator, a conical stockpile calculator as well as a number of other reference documents.   The app also features a geographic listing of OSSGA member companies including the products they provide.


## Version history (last 5 releases)

### 1.0.10 — 2024-02-16

Maintenance update, bug fixes, and optimizations

### 1.0.9 — 2021-01-26

Version 1.0.9 is a compatibility update for the latest versions of iOS.

### 1.0.3 — 2017-12-01

• Improvement: optimizations to startup
• Improvement: optimizations to data update

### 1.0.2 — 2017-04-11

In the settings panel, you can now set the app to check for updates daily, weekly, monthly or never.

### 1.0.1 — 2017-03-03

No release notes.

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## Related topics

[material](https://appshunter.io/ios/topics/material)

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-27.*