Comparison

CNC Machinist Calculator vs Trigonometry Calculator.

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

Head to head
About

CNC Machinist Calculator

This industrial calculator provides CNC programmers and machinists with instant calculations for speeds, feeds, horsepower, coolant flow, tolerances, and G-code patterns. It offers 16 production-ready tools, works offline, and features a user-friendly interface designed for the shop floor. Save and share results for improved efficiency and accuracy.

Highlights
  • Milling Speed & Feed Calculator
  • Drilling Speed & Feed Calculator
  • Tolerance & Fit Calculator
  • G-Code Reference & Generators
  • Chip Load & Tool Deflection Calculator
  • Offline functionality
  • Inch/Metric unit switching
Features
Read full description

CNC Machinist Calculator — speeds & feeds, power, fits, tool life and G-code in your pocket. Works offline. Enter a tool and a material and get spindle RPM, feed rate, cut time and machine power in one second — metric or inch, with the formula and its source shown under every result. Free, no limits, no ads Milling, Drilling and Turning Speed & Feed Drill size and tap drill charts (letter, number, metric, fractional) G- and M-code reference with examples Pro — 7-day free trial on the yearly plan Milling, Drilling and Turning Power & Torque (MRR, kW/hp, N·m) Tolerance & Fit — ISO 286 limits and deviations from the standard tables, with inch display per ANSI B4.2 Turning Surface Roughness, Thread Milling with centre-line feed compensation Tool Life (Taylor), Coolant Flow & Nozzle, Ball-nose Step-over Chip Load & Deflection — HSM chip thinning, cutting forces, bending stress, chatter risk Cycle Time & Cost — cost per part from cutting time, setup, batch size, tool cost and shop rate G-code generators: bolt circle, grid, linear pattern, 3-point arc — safe Fanuc-style header, Z clearance, G81/G82/G83 Machine profile — results capped to your spindle's RPM, power and feed Tool library and your own materials with personal Vc, fz and kc Setup-sheet history, export to CSV and PDF Materials done properly 38 workpiece materials in ISO groups P/M/K/N/S/H — steels, stainless, cast iron, aluminium, brass, plastics, titanium, Inconel, hardened steel — each with separate starting values for HSS and carbide, specific cutting force kc, and coating factors (TiN, TiCN, TiAlN, AlCrN, DLC) with warnings when a coating does not suit the material. Built on real formulas Machinery's Handbook speeds and feeds, ISO 286-1/2 tolerance tables, ISO 68-1 thread geometry, Qu & Shih circular-cusp Ra, Taylor tool life, Bernoulli nozzle flow. The engine is covered by 200+ automated tests. Catalogue values are starting points — always confirm with your insert maker's data. Pricing Pro Monthly $1.99/month, Pro Yearly $7.99/year, or Lifetime $14.99 one-time. Subscriptions are charged to your Apple ID and renew automatically unless cancelled at least 24 hours before the end of the current period; manage them in Settings. Existing Remove Ads buyers keep full Pro. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://www.freeprivacypolicy.com/live/a849d8e9-1345-4ba8-a196-7cb1d4065a55

About

Trigonometry Calculator.

This app calculates key values for right-angled and scalene triangles with high precision. It offers a user-friendly interface, flexible angle units, and includes a reference guide to trigonometric formulas. A subscription unlocks calculation steps and removes ads.

Highlights
  • Right-angled & scalene triangle support
  • Formula reference guide
  • Accurate side, angle, and area calculations
  • High precision to 14 decimal places
  • Flexible angle units (degrees/radians)
  • User-friendly interface
Read full description

Triangle Trigonometry Calculator Effortlessly calculate key values for both right-angled and scalene triangles with this intuitive, high-precision trigonometry calculator. Key Features: • Right-Angled & Scalene Support: Easily solve both right-angled and scalene triangles based on the values you know. • Formula Reference: Learn and solve with confidence by accessing a clear, organized guide to all triangle formulas used in the app. • Accurate Calculations: Quickly determine sides, angles, and area with reliable trigonometric formulas. • High Precision: Results are calculated to 14 decimal places for maximum accuracy. • Flexible Angle Units: Choose between degrees or radians for all angle inputs and outputs. • User-Friendly Interface: A clean, minimal design for fast, straightforward calculations. • Fast and Efficient: Ideal for students, engineers, and professionals needing quick, accurate results anytime. Subscribe to unlock calculation steps, formulas, and remove ads!

Screenshots

CNC Machinist Calculator4 screens
Trigonometry Calculator.4 screens

Verdict

The call

The clearest difference is rating: CNC Machinist Calculator at 5.0 against Trigonometry Calculator.'s 4.3. CNC Machinist Calculator also leads on ads (none vs shown). Trigonometry Calculator.'s advantage is update cadence (every 2 weeks vs every 2 months) and ratings volume (19 vs 1). On price, review sentiment, in-app purchases and monetization model 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. CNC Machinist Calculator sells 3 in-app purchases, starting at $0.99 per month and Trigonometry Calculator. sells 2 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

CNC Machinist Calculator holds the better App Store score, 5.0 against 4.3. That said, the two scores are not equally well evidenced: Trigonometry Calculator. has 19 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 67% of CNC Machinist Calculator's written reviews are positive against 63% of Trigonometry Calculator.'s.

UpkeepUpdate frequency

CNC Machinist Calculator ships an update every 2 months, Trigonometry Calculator. every 2 weeks. Both last shipped on October 24, 2026.

Scorecard4 real differences · 6 level
CNC Machinist Calculator versus Trigonometry Calculator.: the parameters behind the verdict, then further details
ParameterCNC Machinist CalculatorTrigonometry Calculator.
PriceFreeFree
Rating5.0 (1 ratings) — better4.3 (19 ratings)
Positive reviews66.7% of reviews — better62.5% of reviews
Number of ratings119 — better
Update frequencyEvery 2 monthsEvery 2 weeks — better
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS16.615.0 — better
Further details — not scored
Size8 MB64 MB
Age rating4+4+
DeveloperVladislav ZhirnovHoritech

Customer experience

CNC Machinist Calculator

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews3 reviews
Positive66.7%
Neutral33.3%
Negative0.0%

Trigonometry Calculator.

All ratings19 ratings
Positive84.2%
Neutral0.0%
Negative15.8%
Written reviews8 reviews
Positive62.5%
Neutral0.0%
Negative37.5%

In-app purchases

3 purchases

CNC Machinist Calculator

Subscriptions2
  • Remove ADS monthly$0.991 Month
  • Full version / year$2.991 Year
One-time1
  • Remove ADS$4.99
2 purchases

Trigonometry Calculator.

Subscriptions2
  • Monthly3 Days trial$2.991 Month
  • Annual3 Days trial$24.991 Year

Questions

Is CNC Machinist Calculator free?
CNC Machinist Calculator is free to download, with in-app purchases available.
Is Trigonometry Calculator. free?
Trigonometry Calculator. is free to download, with in-app purchases available.
Which has better reviews, CNC Machinist Calculator or Trigonometry Calculator.?
CNC Machinist Calculator is rated higher. CNC Machinist Calculator averages 5.0 out of 5 from 1 ratings, while Trigonometry Calculator. averages 4.3 from 19 ratings.
Do CNC Machinist Calculator or Trigonometry Calculator. have ads?
Trigonometry Calculator. shows ads; CNC Machinist Calculator does not.
Which is updated more often, CNC Machinist Calculator or Trigonometry Calculator.?
CNC Machinist Calculator ships an update every 2 months, and Trigonometry Calculator. every 2 weeks. Most recently, CNC Machinist Calculator was updated on October 24, 2026 and Trigonometry Calculator. on October 24, 2026.

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