Comparison

DrillAR vs Bra Construction

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

Head to head
About

DrillAR

Explore a life-sized, 3D Schlumberger integrated drilling system. Examine intricate components of bottom-hole assemblies and gain insight into the latest well-drilling technologies used globally.

Highlights
  • Life-sized 3D drilling system model
  • Examine BHA components
  • Insight into drilling technologies
  • Featured drilling components: Drill Bits, Drive Systems, LWD, Hole opening
Features
Read full description

This application currently works on the following devices: iPhone 5, 5s, and 5c iPad 3, 4, and iPad Air DrillAR offers the unique opportunity to interact with a life-sized, 3D Schlumberger integrated drilling system. Watch as the Schlumberger engineered bottom-hole-assembly (BHA) drills across your screen and examine the intricacies of each BHA component. DrillAR provides insight into the newest technologies used to drill wells across the globe. Featured drilling components: · Drill Bits · Drive Systems · Logging while Drilling services · Hole opening services

About

Bra Construction

Features
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In this application, you can not only watch videos of bra sewing operations but also explore 3D examples (AR) that demonstrate sewing principles. Additionally, you can interact with these examples. The application has the capability to analyze your pattern drawings and identify any issues. It also provides access to discussion boards for online peer learning. Augmented reality (AR) enhances the user experience by overlaying digital information onto the real world when viewed through a mobile device. This allows users to easily access technical details that are contextually relevant to the objects they are viewing. Pattern analysis involves scanning and recognizing the user's pattern drawing. The application thoroughly inspects the details of each corner and line to identify any mistakes or errors. It even provides the precise measurements of errors, such as the offset of landmarks, in millimeters.

Screenshots

DrillAR1 screens
Bra Construction4 screens

Verdict

The call

The clearest difference is update cadence: DrillAR at every 4 months against Bra Construction's every 21 months. DrillAR also leads on iOS requirement (6.0 vs 14.0). On price, 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

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

UpkeepUpdate frequency

DrillAR ships an update every 4 months, Bra Construction every 21 months. The most recent releases landed on July 4, 2026 and March 2, 2026 respectively.

Scorecard2 real differences · 7 level
DrillAR versus Bra Construction: the parameters behind the verdict, then further details
ParameterDrillARBra Construction
PriceFreeFree
Rating4.0 (1 ratings) — better—
Number of ratings1 — better—
Update frequencyEvery 4 months — betterEvery 21 months
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS6.0 — better14.0
Further details — not scored
Size780 MB307 MB
Age rating4+4+
DeveloperSchlumberger Technology CorporationThe Hong Kong Polytechnic University

In-app purchases

None

DrillAR

No in-app purchases

None

Bra Construction

No in-app purchases

Questions

Is DrillAR free?
DrillAR is free to download, with no in-app purchases.
Is Bra Construction free?
Bra Construction is free to download, with no in-app purchases.
Do DrillAR or Bra Construction have ads?
Neither DrillAR nor Bra Construction shows ads.
Which is updated more often, DrillAR or Bra Construction?
DrillAR ships an update every 4 months, and Bra Construction every 21 months. Most recently, DrillAR was updated on July 4, 2026 and Bra Construction on March 2, 2026.

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