Material Master vs APG Crimp Tool
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Material Master
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GMORS Material Master give you the materials recommendation for your O-Ring application, based on the working temperature and medium of working environment. We provide thousand kinds of environment condition for compatibility evaluation. In addition, GMORS provide certified rubber compounds for various international standards, such as NSF61 ,WRAS ,ACS, KTW ,W-270 ,DIN EN 549,UL 157,API 6A,NORSOK M-710,TOTAL EP PVV 142 and NACE TM0297. Please email us for further information.
APG Crimp Tool
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The APG Crimp Tool calculates crimp specifications for a given hose/fitting combination. The user can develop a custom library of hoses with their specific compression settings to quickly and accurately perform the crimp setting calculation.
Screenshots
Verdict
The clearest difference is update cadence: APG Crimp Tool at every 5 days against Material Master's every 14 months. APG Crimp Tool also leads on device support (3 vs 1). On price, ads, in-app purchases and iOS requirement there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Material Master ships an update every 14 months, APG Crimp Tool every 5 days. The most recent releases landed on September 17, 2026 and September 14, 2026 respectively.
| Parameter | Material Master | APG Crimp Tool |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 14 months | Every 5 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone | iPhone, iPad, iPod — better |
| Requires iOS | 16.0 | 15.1 — better |
| Further details — not scored | ||
| Size | 44 MB | 28 MB |
| Age rating | 4+ | 4+ |
| Developer | GE MAO RUBBER INDUSTRIAL CO., LTD. | American Packing & Gasket Opco, LLC |
In-app purchases
Material Master
No in-app purchases
APG Crimp Tool
No in-app purchases
Questions
Is Material Master free?
Is APG Crimp Tool free?
Do Material Master or APG Crimp Tool have ads?
Which is updated more often, Material Master or APG Crimp Tool?
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