Comparison

SSTDrillPipe vs TallyRig

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

Head to head
About

SSTDrillPipe

Access essential mechanical properties and data for drill pipe. View detailed information like tensile strength, collapse pressure, and capacity. Visualize key data through graphs in landscape mode.

Highlights
  • Mechanical properties data
  • Tensile strength
  • Collapse pressure
  • Drift diameter
  • Capacity and displacement
  • Graphical analysis
Features
Read full description

SSTDrillPipe provides mechanical properties and other information on Drill Pipe. This information includes: Tensile Strength, Torsional Strength, Internal Yield, Collapse Pressure, Slip Crushing, Make Up Torque, Torsional Yield of Tool Joints, Tensile Yield of Tool Joints, Drift Diameter, Capacity, Displacement. Graphs of Tensile Yield based on Remaining Wall,Torsional Yield based on Remaining Wall, Internal Yield based on Remaining Wall, Collapse Pressure based on Remaining Wall, Slip Capacity based on Remaining Wall, Combined Tensile and Torsional Yield and Collapse Pressure under Tension are available in landscape mode.

About

TallyRig

This app provides a suite of 17 oilfield and drilling calculators designed for field use. It features a digital tally-book history to save and share results, with offline functionality and a user-friendly interface for rig environments. Supports multiple languages and unit systems.

Highlights
  • 17 oilfield & drilling calculators
  • Digital tally-book history
  • Offline-first functionality
  • Sunlight Mode for outdoor readability
  • Glove-friendly interface
  • Formula review and show-work
  • Imperial and Metric unit support
Features
Read full description

17 oilfield & drilling calculators — with a digital tally-book history. TallyRig is a focused, field-ready calculator set for drilling and well control workflows. Run the essentials fast, save every result, and share a clean record when you need it. DESIGNED FOR THE RIG • Sunlight Mode: high-contrast screens you can read outside • Glove-friendly: big targets, minimal tapping • Offline-first: works without a signal • Trust the math: review the formula / show-work for each result 17 FIELD CALCULATORS, ORGANIZED BY CATEGORY • Well Control: Kill Sheet (Wait & Weight), Kick Tolerance, Gas Migration, Trip Fill, BOP Check (API Std. 53) • Pressure: Hydrostatic, EMW from Pressure, ECD • Fluids: Mud Weight-Up (barite), Slug, Cementing • Tubulars: Pipe Tally, Buoyancy, Capacity, Stuck Pipe (Free Point) • Hydraulics: Pump Output, Flow, Annular Velocity, Bottoms-Up • Utilities: Oilfield Unit Converter FIND TOOLS FAST Search, category filters, and a drag-to-arrange dashboard so your most-used calculators are always on top. HISTORY THAT'S ACTUALLY USEFUL • Save any calculation to a clean history timeline • Share a result card or a history record with your team • Sync across devices via iCloud (when enabled) UNITS Switch between Imperial and Metric (SI) where supported. Languages - Full in-app translation in English, Português (Brasil) and Español — including every calculator, result view and formula label. Switch any time in Settings → Language. WHO IT'S FOR Drilling engineers, toolpushers, drillers, mud engineers, wellsite supervisors, and well control trainees who want a fast, reliable pocket reference. IMPORTANT TallyRig is a calculation aid for reference and cross-checking. Always verify inputs and outputs and follow your company procedures and training.

Screenshots

SSTDrillPipe4 screens
TallyRig4 screens

Verdict

The call

The clearest difference is in-app purchases: SSTDrillPipe at none against TallyRig's 1. SSTDrillPipe also leads on iOS requirement (7.1 vs 15.0). On price, rating, ratings volume and ads 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. TallyRig sells 1 one-off in-app purchase. SSTDrillPipe asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.0 for SSTDrillPipe against 4.0 for TallyRig. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

Scorecard2 real differences · 7 level
SSTDrillPipe versus TallyRig: the parameters behind the verdict, then further details
ParameterSSTDrillPipeTallyRig
PriceFreeFree
Rating4.0 (1 ratings)4.0 (1 ratings)
Number of ratings11
Update frequency—Every 3 months
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFreeFree
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS7.1 — better15.0
Further details — not scored
Size3 MB33 MB
Age rating4+4+
DeveloperSub Surface Tools, LLC嘉炜 丰

In-app purchases

None

SSTDrillPipe

No in-app purchases

1 purchases

TallyRig

One-time1
  • TallyRig Pro$14.99

Questions

Is SSTDrillPipe free?
SSTDrillPipe is free to download, with no in-app purchases.
Is TallyRig free?
TallyRig is free to download, with in-app purchases available.
Which has better reviews, SSTDrillPipe or TallyRig?
SSTDrillPipe and TallyRig are both rated 4.0 out of 5 on the App Store, from 1 and 1 ratings respectively.
Do SSTDrillPipe or TallyRig have ads?
Neither SSTDrillPipe nor TallyRig shows ads.

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