Orifice Flow Rate Calculator vs Kopperfield
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Orifice Flow Rate Calculator
Easily calculate natural gas orifice flow rates using the AGA 3 standard. This utility app allows users to determine MCF production for a given duration, save calculations, and export data to CSV. It functions offline, requiring no cell service.
- Orifice MCF Calculator
- Rotary (Direct) MCF Calculator
- Save all calculations
- View saved inputs and calculations
- Export calculations to CSV
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Looking to calculate orifice flow rates quickly and easily? R. L. Laughlin has a solution for you! With our Orifice Flow Rate Calculator, users are given the ability to determine orifice flow rates easily and quickly that does not require cell service to utilize the app. Orifice Flow Rate Calculator utilizes AGA 3 standard to calculate the MCF a single well is producing per day and for a given duration that you choose. Features: -Orifice MCF Calculator -Rotary (Direct) MCF Calculator -Ability to save all calculations -View all inputs and calculations saved for a given meter -Export all or individual saved calculations to a CSV file
Kopperfield
Streamline electrical design and permitting with powerful tools for load calculations, panel schedules, and single-line diagrams. Quickly reference the National Electrical Code with an AI-powered chatbot and generate instant PDF reports for inspectors and clients.
- Load calculator with NEC standards
- Single line diagram tool
- Panel schedule creation
- NEC chatbot
- Instant PDF report generation
- AI panel photo processing
- Team dashboard
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Save time and money. Get ready for permits and projects with faster and easier design tools from Kopperfield, including load calcs, line diagrams, panel schedules, and more. Once logged into your Kopperfield account, you'll enjoy our: * Load calculator: Easy-to-use interface pre-loaded with common appliances and their standard output values from the National Electrical Code. Add information on the property and your calculation will automatically update. Supports both commercial and residential calculations, as well as the Standard (NEC Article 220 Part III), Optional (NEC Article 220 Part IV), and 2026 Standard (NEC Article 120 Part III) methods. * Single line diagram tool: Contains dozens of common templates and electrical symbols to make it easy to generate new diagrams and share them with your team. View diagrams from any device and create new templates on tablet or desktop for your whole team to use. * Panel schedules: Includes tools to complete panel schedules and create labels for electrical panels. Drag-and-drop interface makes it easy to arrange and customize circuits for both split-phase and three-phase projects. * NEC chatbot: Custom chatbot with advanced search capabilities to quickly reference specific sections of the 2017, 2020, or 2023 National Electrical Code. Includes the following features: * Fast PDF outputs: instantly generate a downloadable, one-page PDF report of your load calc, line diagram, or panel schedule to share with inspectors and customers * Smart property data: enter the property address and we’ll pull in the square footage for any customer project or electrical load calculation * AI panel photo processing: upload a photo of an electrical panel to automatically add items to your load calculation or panel schedule * Team dashboard: store your team's projects and documents in one place for easier management, access, and review *Single and three phase options: use a variety of nominal voltages for residential and commercial building types, including: 120/240V, 120/208V, 120/240V, 208Y/120V 3Ø, 240V 3Ø Delta, 240V 3Ø Hi-leg Delta, 347V 3Ø Delta, 480Y/277V 3Ø, 480V 3Ø Delta, 600Y/347Y 3Ø, 600V 3Ø Delta. * Standard scenarios: generate load calcs for scenarios including single family homes (standard and optional methods), multi dwelling units (i.e., duplex, triplex, quad), 120/208v (three-phase power) dwellings, accessory dwelling units and additions, commercial occupancy types, and heat pumps * Common appliance defaults: choose from a pre-loaded list of common appliances and standard output values that you can adjust for every load calculation * EV charger inputs: include EV charger values to any load calculation, essential for modern homes
Screenshots
Verdict
The clearest difference is review sentiment: Orifice Flow Rate Calculator at 100% against Kopperfield's 0%. Orifice Flow Rate Calculator also leads on rating (4.9 vs 3.8) and ratings volume (113 vs 11). Kopperfield's advantage is update cadence (every 10 days vs every 6 months). On price, ads, in-app purchases and device support 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.
Orifice Flow Rate Calculator holds the better App Store score, 4.9 against 3.8. That said, the two scores are not equally well evidenced: Orifice Flow Rate Calculator has 113 ratings behind it against 11, so its average is the more settled of the two. Written reviews point the same way: 100% of Orifice Flow Rate Calculator's written reviews are positive against 0% of Kopperfield's.
Orifice Flow Rate Calculator ships an update every 6 months, Kopperfield every 10 days. The most recent releases landed on October 24, 2026 and October 27, 2026 respectively.
| Parameter | Orifice Flow Rate Calculator | Kopperfield |
|---|---|---|
| Price | Free | Free |
| Rating | 4.9 (113 ratings) — better | 3.8 (11 ratings) |
| Positive reviews | 100.0% of reviews — better | 0.0% of reviews |
| Number of ratings | 113 — better | 11 |
| Update frequency | Every 6 months | Every 10 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free — better | Ad-supported |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.6 | 15.1 — better |
| Further details — not scored | ||
| Size | 2 MB | 64 MB |
| Age rating | 4+ | 4+ |
| Developer | R.L. Laughlin & Company, Inc. | Kopperfield |
Customer experience
Orifice Flow Rate Calculator
Kopperfield
In-app purchases
Orifice Flow Rate Calculator
No in-app purchases
Kopperfield
No in-app purchases
Questions
Is Orifice Flow Rate Calculator free?
Is Kopperfield free?
Which has better reviews, Orifice Flow Rate Calculator or Kopperfield?
Do Orifice Flow Rate Calculator or Kopperfield have ads?
Which is updated more often, Orifice Flow Rate Calculator or Kopperfield?
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