DrillAR vs WS Drill Bits
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- Life-sized 3D drilling system model
- Examine BHA components
- Insight into drilling technologies
- Featured drilling components: Drill Bits, Drive Systems, LWD, Hole opening
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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
WS Drill Bits
This application serves machinists, designers, and manufacturing personnel with essential drill bit calculations. It features a comprehensive drill size chart with decimal equivalents, a calculator for optimal speeds and feeds across various materials, and a tool for determining drill point depth based on angle.
- Drill size and decimal equivalent chart
- Fast vertical scrolling with color-coded values
- Sliding scale for quick list navigation
- Speeds and feeds calculator for various materials
- Drill point depth calculator
- Supports metric and inch measurements
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Workshop (WS) Drill Bits Is a full functioning Drill Bit Calculator simply designed for the Machinists Workshop, Designer's and Manufacturing Personel. Contains the following three functions: 1) A vertical scrolling Drill Size and Decimal Equivalent Chart. *From 0.1mm(0.00394 Inch) to 101.6mm(4.0 Inches) *Offers Fast Vertical Scrolling *Inch Fractions are highlighted in Blue *Metric Numbers are highlighted in Red *Gage/Letter Numbers are also listed *Inch Fractions values are also listed. *A sliding scale allows you to jump to any point on the list fast.(Separately for both mm and inch values) 2) Twist Drill Speeds and Feeds *Calculates recommended Drill Speeds and Feed Rates for various materials: *Option to enter in either Metric or Inch size Drills -Aluminium -Brass -Bronze -Cast Iron -Hastelloy -Inconel -Magnesium -Monel -High Nickel Steel -Free Cutting Steel -Mild Steel -Steel -Tool Steel -Forgings -Alloys -Heat Treated Steels -Stainless Steels -Titanium -Wood and Plastics 3) Drill Point Depth Calculator *Calculates the Drill Point Depth for various Drill Point Angles (60',82',90',118',120',135') *Option to enter in either Metric or Inch size Drills.
Screenshots
Verdict
The clearest difference is rating: WS Drill Bits at 5.0 against DrillAR's 4.0. DrillAR's advantage is update cadence (every 4 months vs every 16 months) and iOS requirement (6.0 vs 9.0). On price, ratings volume, ads and in-app purchases 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
WS Drill Bits holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 1 and 2 respectively.
DrillAR ships an update every 4 months, WS Drill Bits every 16 months. The most recent releases landed on July 4, 2026 and June 10, 2026 respectively.
| Parameter | DrillAR | WS Drill Bits |
|---|---|---|
| Price | Free | Free |
| Rating | 4.0 (1 ratings) | 5.0 (2 ratings) — better |
| Number of ratings | 1 | 2 — better |
| Update frequency | Every 4 months — better | Every 16 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 6.0 — better | 9.0 |
| Further details — not scored | ||
| Size | 780 MB | 57 MB |
| Age rating | 4+ | 4+ |
| Developer | Schlumberger Technology Corporation | Rein Rapp |
Customer experience
DrillAR
WS Drill Bits
In-app purchases
DrillAR
No in-app purchases
WS Drill Bits
No in-app purchases
