Comparison

Dynamic Volumetric Method vs iECG

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

Head to head
About

Dynamic Volumetric Method

Read full description

This app is designed for both iPhone and iPad. This application uses the basic calculations of the "Dynamic Volumetric" method to control oil wells after the occurrence of kick during drilling operations on floating units (semi-submersible platform and drill-ship). It is an useful tool to import data files to fill kill sheets from our apps: (Driling Hydraulics, Drilling Simulator, Kick Tolerance, LOT Simulator and Well Control Simulator) available for sale in our portfolio on the App Store. It is can be applied on the field and also help in the understanding of the "Dynamic Volumetric" method for well control. This app was developed based on existing spreadsheets. There is no comparison with any other software. Our goal was to create a low-cost application with the help of experts to share with drilling engineers, technicians, drillers, students and teachers of drilling engineering. There is no intention to replace the professional softwares. You can contribute with suggestions for improvements, correcting the translation to english, reporting bugs and spreading it to your friends. Thanks DISCLAIMER: These tools & materials are provided 'as is' without warranties of any kind, express or implied. Please verify the tools provided by this application by yourself before you use them. Ensure you understand the impact of using these tools. Any use you choose to make of these tools & materials is undertaken by you entirely at you own risk.

About

iECG

Features
Read full description

Connect Yongkang Bluetooth oximeter with ECG function to display the heart rate data and ECG waveform of the oximeter [Disclaimer] IECG is not a medical service provider and only provides relevant information services based on the data you upload. The content of the services should not be regarded as medical advice and cannot replace the diagnosis of a doctor. You cannot rely on the services provided by IECG alone for diagnosis and treatment of diseases. For medical advice, diagnosis, treatment and other services, please consult your doctor

Screenshots

Dynamic Volumetric Method4 screens
iECG4 screens

Verdict

The call

The clearest difference is price: iECG at Free against Dynamic Volumetric Method's $19.99. iECG also leads on update cadence (every 2 months vs every 38 months). Dynamic Volumetric Method's advantage is device support (3 vs 1) and iOS requirement (10.2 vs 16.0). On ads and in-app purchases there is nothing between them.

Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS

CostPrice Β· In-app purchases Β· Ads Β· Monetization

iECG is free to download; Dynamic Volumetric Method costs $19.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Dynamic Volumetric Method ships an update every 38 months, iECG every 2 months. The most recent releases landed on September 18, 2026 and October 1, 2026 respectively.

Scorecard4 real differences Β· 2 level
Dynamic Volumetric Method versus iECG: the parameters behind the verdict, then further details
ParameterDynamic Volumetric MethodiECG
Price$19.99Free β€” better
Update frequencyEvery 38 monthsEvery 2 months β€” better
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPad, iPod β€” betteriPhone
Requires iOS10.2 β€” better16.0
Further details β€” not scored
Size17 MB2 MB
Age rating4+4+
DeveloperCarlos MouraεΎε·žζ°ΈεΊ·η”΅ε­η§‘ζŠ€ζœ‰ι™ε…¬εΈ

In-app purchases

None

Dynamic Volumetric Method

No in-app purchases

None

iECG

No in-app purchases

Questions

Is Dynamic Volumetric Method free?
Dynamic Volumetric Method costs $19.99, with no in-app purchases.
Is iECG free?
iECG is free to download, with no in-app purchases.
Do Dynamic Volumetric Method or iECG have ads?
Neither Dynamic Volumetric Method nor iECG shows ads.
Which is updated more often, Dynamic Volumetric Method or iECG?
Dynamic Volumetric Method ships an update every 38 months, and iECG every 2 months. Most recently, Dynamic Volumetric Method was updated on September 18, 2026 and iECG on October 1, 2026.

Other comparisons