# DrillAR vs Bra Construction

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.

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

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.

## The numbers

| Metric | DrillAR | Bra Construction |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (1 ratings)](https://appshunter.io/ios/app/drillar/id820710413/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 21 months |
| Monetization | Free | — |
| Size | 780 MB | 307 MB |
| Requires iOS | **6.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Schlumberger Technology Corporation](https://appshunter.io/developer/380098290) | [The Hong Kong Polytechnic University](https://appshunter.io/developer/442903588) |

## What reviewers say

### DrillAR

[App page](https://appshunter.io/ios/app/drillar/id820710413)

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:** macOS Compatibility

**In-app purchases:** none


### Bra Construction

[App page](https://appshunter.io/ios/app/bra-construction/id1481535881)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked 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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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*