Comparison

Wait and Weight Method vs Drillstring Toolbox

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

Head to head
About

Wait and Weight Method

Features
Read full description

This app is designed for both iPhone and iPad. This application uses the basic calculations of the "Wait and Weight" method to control oil wells after the occurrence of kick during drilling operations on floating platforms and landing rigs. It is an useful tool to import data files to fill kill sheets from our apps: (Driling Hydraulics, Drilling Simulator, Kick Game, Kick Tolerance, LOT Simulator, MPD 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 "Wait and Weight" 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 your own risk.

About

Drillstring Toolbox

This utility app calculates drill-stem load capacities based on API connections and sizes. It also provides makeup torque and tensile capacity, as well as tensile and torsion capacities for drill pipe tubes.

Highlights
  • Drill-stem load capacity calculation
  • API connection selection
  • Makeup torque calculation
  • Tensile capacity calculation
  • Drill pipe tube capacities
Features
Read full description

Drillstring Toolbox is a free calculator from Standard DS-1 that gives you the drill-stem load capacities you need! You can choose an API connection (along with the size you're interested in) to find its recommended makeup torque and tensile capacity. Tap the "Tube" tab to find the tensile and torsion capacities for drill pipe tubes as well!

Screenshots

Wait and Weight Method4 screens
Drillstring Toolbox2 screens

Verdict

The call

The clearest difference is price: Drillstring Toolbox at Free against Wait and Weight Method's $19.99. On update cadence, 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

CostPrice · In-app purchases · Ads · Monetization

Drillstring Toolbox is free to download; Wait and Weight Method costs $19.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Wait and Weight Method ships an update every 28 months, Drillstring Toolbox every 39 months. The most recent releases landed on October 2, 2026 and October 7, 2026 respectively.

Scorecard1 real difference · 9 level
Wait and Weight Method versus Drillstring Toolbox: the parameters behind the verdict, then further details
ParameterWait and Weight MethodDrillstring Toolbox
Price$19.99Free — better
Rating—3.3 (3 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings—3 — better
Update frequencyEvery 28 months — betterEvery 39 months
AdsNoNo
In-app purchasesNoNo
Monetization—Free
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.614.0 — better
Further details — not scored
Size17 MB1 MB
Age rating4+4+
DeveloperCarlos MouraBureau Veritas North America, Inc.

In-app purchases

None

Wait and Weight Method

No in-app purchases

None

Drillstring Toolbox

No in-app purchases

Questions

Is Wait and Weight Method free?
Wait and Weight Method costs $19.99, with no in-app purchases.
Is Drillstring Toolbox free?
Drillstring Toolbox is free to download, with no in-app purchases.
Do Wait and Weight Method or Drillstring Toolbox have ads?
Neither Wait and Weight Method nor Drillstring Toolbox shows ads.
Which is updated more often, Wait and Weight Method or Drillstring Toolbox?
Wait and Weight Method ships an update every 28 months, and Drillstring Toolbox every 39 months. Most recently, Wait and Weight Method was updated on October 2, 2026 and Drillstring Toolbox on October 7, 2026.

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