Comparison

WS Drill Bits vs Math Tools B

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

Head to head
About

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.

Highlights
  • 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
Features
Read full description

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.

About

Math Tools B

This app helps users understand mathematical concepts and perform various numerical tasks. It offers features like factoring, prime factorization, fraction simplification, and random number generation, all computed locally for speed.

Highlights
  • Factoring
  • Prime Factorization
  • Greatest Common Divisor
  • Decimal to Fraction Conversion
  • Fraction Simplification
  • Fraction Arithmetic
  • Random Number Generation
Features
Read full description

Understand math and numbers better, whether it be for school or any other purpose. This app can help you with many numerical tasks including: • Factoring • Prime Factorization • Greatest common divisor • Finding prime numbers • Conversion of a decimal to a fraction • Simplification of Fractions • Fraction Arithmetic • Random Number Generation You can expect speed, some of the fastest known algorithms are used in the calculations and all of the operations are computed on your physical device. This takes off the time that would otherwise be used to communicate with servers through the internet. The one exception to this is the nth prime page which contacts a server to be able to quickly give you up to nearly the 10 trillionth prime number in just seconds.

Screenshots

WS Drill Bits4 screens
Math Tools B3 screens

Verdict

The call

The clearest difference is update cadence: Math Tools B at every 10 days against WS Drill Bits's every 16 months. 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. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for WS Drill Bits against 5.0 for Math Tools B. Both are backed by a comparable volume of ratings — 2 and 1 respectively.

UpkeepUpdate frequency

WS Drill Bits ships an update every 16 months, Math Tools B every 10 days. The most recent releases landed on June 10, 2026 and June 2, 2026 respectively.

Scorecard1 real difference · 9 level
WS Drill Bits versus Math Tools B: the parameters behind the verdict, then further details
ParameterWS Drill BitsMath Tools B
PriceFreeFree
Rating5.0 (2 ratings)5.0 (1 ratings)
Positive reviews—100.0% of reviews
Number of ratings2 — better1
Update frequencyEvery 16 monthsEvery 10 days — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS9.0 — better10.0
Further details — not scored
Size57 MB48 MB
Age rating4+4+
DeveloperRein RappJaron Wakley

Customer experience

WS Drill Bits

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Math Tools B

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

WS Drill Bits

No in-app purchases

None

Math Tools B

No in-app purchases

Questions

Is WS Drill Bits free?
WS Drill Bits is free to download, with no in-app purchases.
Is Math Tools B free?
Math Tools B is free to download, with no in-app purchases.
Which has better reviews, WS Drill Bits or Math Tools B?
WS Drill Bits and Math Tools B are both rated 5.0 out of 5 on the App Store, from 2 and 1 ratings respectively.
Do WS Drill Bits or Math Tools B have ads?
Neither WS Drill Bits nor Math Tools B shows ads.
Which is updated more often, WS Drill Bits or Math Tools B?
WS Drill Bits ships an update every 16 months, and Math Tools B every 10 days. Most recently, WS Drill Bits was updated on June 10, 2026 and Math Tools B on June 2, 2026.

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