Comparison

Machining Calculator vs Trig Solver

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

Head to head
About

Machining Calculator

This app helps engineers and operators optimize machining performance by calculating optimal cut settings for turning, milling, drilling, and tapping. It demonstrates how minor parameter adjustments can significantly impact overall results.

Highlights
  • Calculate cut settings
  • Optimize turning performance
  • Optimize milling performance
  • Optimize drilling performance
  • Optimize tapping performance
  • Demonstrates parameter impact
Features
Read full description

Machining calculator apps: calculate cut settings based on job parameters The Machining calculator apps are designed to help engineers and operators optimize the performance of their turning, milling, drilling and tapping applications by calculating optimal cut settings based on job parameters. The apps also highlight how small adjustments of parameters can have a big impact on the overall results.

About

Trig Solver

This application calculates unknown sides and angles of both regular and right triangles. It supports various input combinations, including two sides and an angle, two angles and a side, three sides, or two sides and an angle for right triangles.

Highlights
  • Regular triangle solver
  • Right triangle solver
  • Calculate with 2 sides and an angle
  • Calculate with 2 angles and a side
  • Calculate with 3 sides
  • Calculate with side and angle (right triangle)
Features
Read full description

A Triangle Solver that has a regular triangle solver as well as a right triangle solver. Regular Triangle - Enter one of the following and hit Calculate: 2 sides and an angle 2 angles and a side 3 sides Right Triangle - Enter one of the following and hit Calculate: 2 sides a side and an angle

Screenshots

Machining Calculator4 screens
Trig Solver2 screens

Verdict

The call

The clearest difference is update cadence: Machining Calculator at every 5 months against Trig Solver's every 28 months. Trig Solver's advantage is review sentiment (74% vs 55%) and ratings volume (78 vs 4). On price, rating, 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

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 — 4.3 for Machining Calculator against 4.3 for Trig Solver. That said, the two scores are not equally well evidenced: Trig Solver has 78 ratings behind it against 4, so its average is the more settled of the two. Written reviews are what separate them: 55% of Machining Calculator's written reviews are positive against 74% of Trig Solver's.

UpkeepUpdate frequency

Machining Calculator ships an update every 5 months, Trig Solver every 28 months. The most recent releases landed on August 29, 2026 and September 22, 2026 respectively.

Scorecard4 real differences · 6 level
Machining Calculator versus Trig Solver: the parameters behind the verdict, then further details
ParameterMachining CalculatorTrig Solver
PriceFreeFree
Rating4.3 (4 ratings)4.3 (78 ratings)
Positive reviews54.5% of reviews74.1% of reviews — better
Number of ratings478 — better
Update frequencyEvery 5 months — betterEvery 28 months
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPodiPhone, iPod
Requires iOS13.09.0 — better
Further details — not scored
Size5 MB8 MB
Age rating12+4+
DeveloperAB Sandvik CoromantCreature Code Mobile, LLC

Customer experience

Machining Calculator

All ratings4 ratings
Positive75.0%
Neutral0.0%
Negative25.0%
Written reviews44 reviews
Positive54.5%
Neutral11.4%
Negative34.1%

Trig Solver

All ratings78 ratings
Positive83.3%
Neutral5.1%
Negative11.5%
Written reviews85 reviews
Positive74.1%
Neutral5.9%
Negative20.0%

Bugs and requests

Machining Calculator

Not enough reviews yet to summarise bugs or requests.

Trig Solver

Reported bugs

12 issues
  • Calculator rounds to '7' and '0'
  • Regular triangle calculations not correct
  • Answers in the wrong place (angles reversed)
  • App doesn't work anymore after update
  • Can't see input in dark mode
Show 7 more
  • Base hidden behind buttons on older phones
  • Fails with small machining angles (gives 90 degrees)
  • Wrong values under 'regular triangle'
  • Returned wrong values for side angle side
  • Incorrect values on irregular triangle
  • Paid to remove ads but ads still present
  • NaN results

Requested features

8 requests
  • Rotate the triangle
  • Show the work/steps
  • Add square root functionality
  • Option to pay to remove ads
  • Modify single value without reset
Show 3 more
  • Graph resultant triangle
  • Show more decimal places (3, 4, or 5)
  • Add comma as decimal separator option

In-app purchases

None

Machining Calculator

No in-app purchases

None

Trig Solver

No in-app purchases

Questions

Is Machining Calculator free?
Machining Calculator is free to download, with no in-app purchases.
Is Trig Solver free?
Trig Solver is free to download, with no in-app purchases.
Which has better reviews, Machining Calculator or Trig Solver?
Machining Calculator and Trig Solver are both rated 4.3 out of 5 on the App Store, from 4 and 78 ratings respectively.
Do Machining Calculator or Trig Solver have ads?
Neither Machining Calculator nor Trig Solver shows ads.
Which is updated more often, Machining Calculator or Trig Solver?
Machining Calculator ships an update every 5 months, and Trig Solver every 28 months. Most recently, Machining Calculator was updated on August 29, 2026 and Trig Solver on September 22, 2026.

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