PVF Reference vs Tube Turns
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
PVF Reference
Access industry standard terminology, specifications, and reference tables for pipe, valves, fittings, and fasteners. Quickly identify materials, understand markings, and find technical data with interactive tables and diagrams.
- Industry terminology glossary
- Material identification diagrams
- Technical data tables
- Formula conversions
- Manufacturing process diagrams
- Industry standard marking explanations
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DistributionNOW’s PVF Reference app is an easy-to-use resource for industry standard terminology, specifications, practices, and reference tables related to pipe, valves, actuation, fittings, flanges, gaskets, and fasteners. Whether you’re an oilfield technician out on a job or working the sales desk, this tool puts essential data at your fingertips in one intuitive package. PVF Info Need help identifying your materials? Major types of pipe, valves and actuation, fittings, flanges, gaskets, and fasteners are rendered for quick identification, along with pipe end styles, flange facings, and more. Industry standard marking stencils are explained plainly with the common specifications and material requirements for your specific applications. Technical Data Tables Our interactive tables make it easy to find the right measurements you need to do your job: pipe charts, pressure ratings, compatibility, and material cross-references. Industry Terminology Can’t remember what that acronym means? Search our glossary of hundreds of oil and gas industry terms, with filterable results. Formulas We compiled the commonly used technical conversions and PVF-specific measurements that oilfield engineers and purchasing managers need every day. Diagrams What’s the difference between ERW and DSAW pipe? Learn about the manufacturing processes for all major types through step-by-step diagrams from top manufacturers. About DistributionNOW We are an industry-leading stocking distributor of PVF and other essential products and provider of supply chain services to the upstream, midstream, and downstream/industrial markets. For more than 150 years, our customers have looked to us to provide them with the products and services that make their businesses run. Find out more about DistributionNOW online: www.distributionnow.com
Tube Turns
A mobile reference guide for pipe fitting, welding, and industrial piping. It provides instant access to essential formulas, conversion tables, technical specifications, and industry standards for professionals in the oil & gas and petrochemical sectors.
- Technical reference library
- Formulas and conversion tools
- Welding specifications
- Material properties database
- Searchable glossary
- Offline functionality
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Pipe Fitters Manual by Sypris Technologies Your comprehensive mobile reference for pipe fitting, welding, and industrial piping. Access essential formulas, conversion tables, technical specifications, and industry standards instantly. Perfect for pipe fitters, welders, engineers, and technicians working in oil & gas, petrochemical, and processing industries. Key Features: - Complete technical reference library - Formulas and conversion tools - Welding specifications - Material properties database - Product literature and IOM guides - Searchable glossary - Works offline Brought to you by Tube Turns, serving industrial piping since 1927.
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Verdict
The clearest difference is rating: PVF Reference at 5.0 against Tube Turns's 4.5. PVF Reference also leads on iOS requirement (8.0 vs 18.6). On price, ratings volume, ads and in-app purchases 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.
PVF Reference holds the better App Store score, 5.0 against 4.5. Both are backed by a comparable volume of ratings — 2 and 4 respectively.
| Parameter | PVF Reference | Tube Turns |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) — better | 4.5 (4 ratings) |
| Positive reviews | — | 33.3% of reviews |
| Number of ratings | 2 | 4 — better |
| Update frequency | — | Every 4 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 8.0 — better | 18.6 |
| Further details — not scored | ||
| Size | 47 MB | 57 MB |
| Age rating | 4+ | 4+ |
| Developer | DistributionNOW | Aaron McCarthy |
Customer experience
PVF Reference
Tube Turns
In-app purchases
PVF Reference
No in-app purchases
Tube Turns
No in-app purchases
Questions
Is PVF Reference free?
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