ComMarker_Studio vs Drilling Calculator for Rigs
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ComMarker_Studio
This software is for editing graphics and performing laser engraving with specific laser equipment. It allows users to prepare designs for laser cutting and marking.
- Graphic editing
- Laser engraving preparation
- ComMarker equipment compatibility
- Design preparation
Read full descriptionHide full description
This software is designed to work with ComMarker laser equipment and is used for editing graphics and performing laser engraving.
Drilling Calculator for Rigs
Read full descriptionHide full description
DERRICK is a fast, accurate drilling and well-control calculator for the rig floor. Set up your well once and every calculator pre-fills from it, so you only change what is different today. Built for drilling engineers, toolpushers, company men, mud engineers, and students who need the right number under pressure. - Your active well pre-fills every calculation. Less typing, fewer mistakes. - Tap show your work on any result to see the formula with your exact numbers. - Works fully on device. No account, no sign-in, no tracking. - Field or SI units on every input and result. - iPhone and iPad, with a purpose-built two-pane layout on iPad. CALCULATORS - Pressure and gradient: hydrostatic pressure, equivalent mud weight, equivalent circulating density, bottomhole pressure. - Well control: kill mud weight, formation pressure, MAASP, LOT and FIT to EMW, kick tolerance, gas expansion. - Hydraulics: pump output, annular velocity, strokes and lag, bit hydraulics. - Volumes and capacities: pipe and hole capacity, annular capacity, pipe displacement, slug volumes. - Mud and tubulars: weight up with barite, buoyancy factor, trip margin, and more. MUD WEIGHT WINDOW - See pore pressure, mud weight, ECD and fracture across the whole hole. - Tap or drag the chart to read every value and your margins at any depth. KILL SHEET - Enter shut-in pressures and get kill mud weight, ICP, FCP and a step schedule. - Automatic gas influx indication from the casing to drillpipe differential. AI CO-PILOT - Ask questions grounded in your active well and get clear, field-ready answers. - Explain any calculation, interpret a kick, or draft an end of tour handover. - Decision support only. It always defers to written procedure and the on-site supervisor. HISTORY AND EXPORT - Save any result to your well log with a note, then filter and search the log. - See your activity heatmap and export clean reports. Unlimited wells, the full history, export and reports, unlimited AI, and specialist modules like casing design. PRIVACY - Your wells and calculations stay on your device. No analytics, no ads, no tracking. SAFETY - DERRICK assists calculation. It does not replace your company well-control procedures, the well program, or the judgment of the on-site supervisor. Always verify independently before acting. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is price: ComMarker_Studio at Free against Drilling Calculator for Rigs's $1.99. ComMarker_Studio also leads on iOS requirement (13.0 vs 18.6). On 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
ComMarker_Studio is free to download; Drilling Calculator for Rigs costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | ComMarker_Studio | Drilling Calculator for Rigs |
|---|---|---|
| Price | Free — better | $1.99 |
| Rating | 4.0 (1 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 1 — better | — |
| Update frequency | — | Every 2 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 13.0 — better | 18.6 |
| Further details — not scored | ||
| Size | 95 MB | 5 MB |
| Age rating | 4+ | 4+ |
| Developer | ComMarker Industrial Co., Limited | Aneesh Pradeep |
In-app purchases
ComMarker_Studio
No in-app purchases
Drilling Calculator for Rigs
No in-app purchases
Questions
Is ComMarker_Studio free?
Is Drilling Calculator for Rigs free?
Do ComMarker_Studio or Drilling Calculator for Rigs have ads?
Other comparisons















