Comparison

Orifice Flow Rate Calculator vs OPTICHECK Flow Mobile

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • Orifice MCF Calculator
  • Rotary (Direct) MCF Calculator
  • Save all calculations
  • View saved inputs and calculations
  • Export calculations to CSV
Features
Read full description

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

About

OPTICHECK Flow Mobile

This utility app facilitates the wireless setup, verification, and ongoing monitoring of specific KROHNE flow meters. It enables secure Bluetooth® connectivity for device configuration and performance checks without interrupting ongoing measurements.

Highlights
  • Wireless device commissioning
  • Device parameterization via Bluetooth®
  • Verification without measurement interruption
  • Monitoring of meter performance
  • Monitoring of application parameters
Features
Read full description

Mobile app for wireless device commissioning, verification, and monitoring of KROHNE OPTIMASS devices. OPTICHECK Flow Mobile is part of myDevice, KROHNE’s new suite of Smart Service Tools. OPTICHECK Flow Mobile features: • Wireless commissioning and device parametrisation via secure Bluetooth® connection • Verification without measurement interruption • Monitoring of meter performance and application parameters OPTICHECK Flow Mobile works with the new OPTIMASS Coriolis mass flowmeters from KROHNE.

Screenshots

Orifice Flow Rate Calculator4 screens
OPTICHECK Flow Mobile4 screens

Verdict

The call

The clearest difference is rating: Orifice Flow Rate Calculator at 4.9 against OPTICHECK Flow Mobile's 4.0. Orifice Flow Rate Calculator also leads on ratings volume (114 vs 2). OPTICHECK Flow Mobile's advantage is update cadence (every 3 months vs every 6 months). On price, ads, in-app purchases and monetization model 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

CostPrice · In-app purchases · Ads · Monetization

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

ReceptionRating · Positive reviews · Number of ratings

Orifice Flow Rate Calculator holds the better App Store score, 4.9 against 4.0. That said, the two scores are not equally well evidenced: Orifice Flow Rate Calculator has 114 ratings behind it against 2, so its average is the more settled of the two.

UpkeepUpdate frequency

Orifice Flow Rate Calculator ships an update every 6 months, OPTICHECK Flow Mobile every 3 months. The most recent releases landed on October 29, 2026 and October 13, 2026 respectively.

Scorecard3 real differences · 7 level
Orifice Flow Rate Calculator versus OPTICHECK Flow Mobile: the parameters behind the verdict, then further details
ParameterOrifice Flow Rate CalculatorOPTICHECK Flow Mobile
PriceFreeFree
Rating4.9 (114 ratings) — better4.0 (2 ratings)
Positive reviews100.0% of reviews—
Number of ratings114 — better2
Update frequencyEvery 6 monthsEvery 3 months — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.6 — better16.4
Further details — not scored
Size2 MB361 MB
Age rating4+4+
DeveloperR.L. Laughlin & Company, Inc.KROHNE Messtechnik GmbH

Customer experience

Orifice Flow Rate Calculator

All ratings97 ratings
Positive97.9%
Neutral2.1%
Negative0.0%
Written reviews3 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

OPTICHECK Flow Mobile

All ratings2 ratings
Positive50.0%
Neutral50.0%
Negative0.0%

In-app purchases

None

Orifice Flow Rate Calculator

No in-app purchases

None

OPTICHECK Flow Mobile

No in-app purchases

Questions

Is Orifice Flow Rate Calculator free?
Orifice Flow Rate Calculator is free to download, with no in-app purchases.
Is OPTICHECK Flow Mobile free?
OPTICHECK Flow Mobile is free to download, with no in-app purchases.
Which has better reviews, Orifice Flow Rate Calculator or OPTICHECK Flow Mobile?
Orifice Flow Rate Calculator is rated higher. Orifice Flow Rate Calculator averages 4.9 out of 5 from 114 ratings, while OPTICHECK Flow Mobile averages 4.0 from 2 ratings.
Do Orifice Flow Rate Calculator or OPTICHECK Flow Mobile have ads?
Neither Orifice Flow Rate Calculator nor OPTICHECK Flow Mobile shows ads.
Which is updated more often, Orifice Flow Rate Calculator or OPTICHECK Flow Mobile?
Orifice Flow Rate Calculator ships an update every 6 months, and OPTICHECK Flow Mobile every 3 months. Most recently, Orifice Flow Rate Calculator was updated on October 29, 2026 and OPTICHECK Flow Mobile on October 13, 2026.

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