Comparison

CNC Lathe calculator vs PerfectCalc

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

Head to head
About

CNC Lathe calculator

This utility app assists machining professionals with CNC lathe and ordinary lathe operations. It offers quick calculations for common parts, programming, and measurements, including arc tangent points, threads, and tapers.

Highlights
  • Arc tangent point calculation with G Code generation
  • Thread calculation and program generation
  • CNC Macro program for common graphics
  • Taper calculation with tool tip compensation
  • Trigonometric and diagonal calculations
  • Weight and tolerance calculations
  • Chamfer, linear velocity, and roughness calculations
Features
Read full description

This software is very suitable for the practitioners of machining, CNC lathe and ordinary lathe. Using this software, it is convenient to calculate, program and measure the common parts or working conditions in machining. Main functions: 1. Arc tangent point calculation: it includes a variety of common part structures. It can quickly calculate the tangent point coordinates and generate the program in real time. At the same time, it provides the function of consider cutter compensation and generate G Code program. 2. Thread calculation: query and calculate common threads, and generate processing programs in real time. 3. CNC Macro program: macro program for common processing graphics 4. Taper calculation: to calculate the taper, you can enter the distance between tool starting and tool returning, and compensate the tool tip. 5. Trigonometric function: Calculation of angle and triangle 6. Diagonal calculation: diagonal calculation of quadrilateral, hexagon and polygon 7. Weight calculation: weight calculation of materials with common shapes 8. Tolerance calculation: quick query of hole shaft fit tolerance 9. Other calculations: chamfer calculation, linear velocity conversion, roughness calculation, etc

About

PerfectCalc

This app offers both basic and advanced scientific calculations with a user-friendly interface. It allows for real-time editing of calculations, history management, and theme customization.

Highlights
  • Basic and scientific calculations
  • Trigonometric and inverse trigonometric functions
  • Mathematical functions (abs, ceil, floor, round)
  • Real-time calculation editing
  • Historical records management
  • Bright and dark theme switching
Features
Read full description

An all-in-one calculation app that brings together a standard calculator, scientific calculator, and a wide range of practical tools. It supports basic and scientific calculations, fractions, currency conversion, unit conversion, base conversion, BMI, custom formulas, financial calculations, and other everyday needs - all in one app. [CORE FEATURES] Standard & Scientific Calculator Perform addition, subtraction, multiplication, division, percentages, calculations with parentheses, powers, trigonometric functions, inverse trigonometric functions, and more. Access custom formulas directly from the Home screen to reduce repetitive input. Freely edit calculations, move the cursor, and double-tap to select the current number. Fraction Calculator Enter and calculate fractions with results displayed in fractional form - useful for school, exams, and everyday tasks. Currency Converter Convert between multiple currencies, precious metals, and cryptocurrencies for travel, online shopping, investing, and everyday reference. Unit & Base Converters Convert common units and number bases for study, work, programming, and everyday use. BMI Calculator Quickly calculate body mass index for everyday health tracking. Custom Formulas Use built-in formulas or create reusable custom formula templates to make repeated calculations faster. Financial Calculators Calculate compound interest and recurring investments for common financial planning needs. History & Editable Calculations View, favorite, delete, and recalculate previous results. Edit calculations directly, so a typo never means starting over. Light & Dark Mode Switch between light and dark themes. [CONTACT US] Email: kingstar19900516@gmail.com QQ Group: 835604202

Screenshots

CNC Lathe calculator4 screens
PerfectCalc4 screens

Verdict

The call

The clearest difference is ads: CNC Lathe calculator at none against PerfectCalc's shown. CNC Lathe calculator also leads on rating (5.0 vs 4.7). PerfectCalc's advantage is ratings volume (351 vs 4) and review sentiment (94% vs 71%). On price, update cadence, in-app purchases and device support 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 Lathe calculator sells 3 one-off in-app purchases and PerfectCalc sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

CNC Lathe calculator holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: PerfectCalc has 351 ratings behind it against 4, so its average is the more settled of the two. Written reviews complicate that: 71% of CNC Lathe calculator's written reviews are positive against 94% of PerfectCalc's, so the app with the better star average is not the one people write more warmly about.

UpkeepUpdate frequency

CNC Lathe calculator ships an update fortnightly, PerfectCalc every 9 days. The most recent releases landed on November 7, 2026 and November 3, 2026 respectively.

Scorecard6 real differences · 4 level
CNC Lathe calculator versus PerfectCalc: the parameters behind the verdict, then further details
ParameterCNC Lathe calculatorPerfectCalc
PriceFreeFree
Rating5.0 (4 ratings) — better4.7 (351 ratings)
Positive reviews70.6% of reviews94.1% of reviews — better
Number of ratings4351 — better
Update frequencyFortnightlyEvery 9 days — better
AdsNo — betterYes
In-app purchasesYesYes
MonetizationPaidFree with in-app purchases — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS1613 — better
Further details — not scored
Size64 MB77 MB
Age rating4+4+
DeveloperKunshan Nianyueri Information Technology Co., Ltd.明星 王

Customer experience

CNC Lathe calculator

All ratings4 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews34 reviews
Positive70.6%
Neutral5.9%
Negative23.5%

PerfectCalc

All ratings360 ratings
Positive93.1%
Neutral3.1%
Negative3.9%
Written reviews85 reviews
Positive94.1%
Neutral1.2%
Negative4.7%

Bugs and requests

CNC Lathe calculator

Not enough reviews yet to summarise bugs or requests.

PerfectCalc

Reported bugs

2 issues
  • Forced 5-star review for history function
  • Odd language issue with copied calculations

Requested features

2 requests
  • Dark mode option
  • More customization options

In-app purchases

3 purchases

CNC Lathe calculator

One-time3
  • One year$4.99
  • Two year$6.99
  • Lifetime$9.99
1 purchases

PerfectCalc

One-time1
  • Calculator Pro$19.99

Questions

Is CNC Lathe calculator free?
CNC Lathe calculator is free to download, with in-app purchases available.
Is PerfectCalc free?
PerfectCalc is free to download, with in-app purchases available.
Which has better reviews, CNC Lathe calculator or PerfectCalc?
CNC Lathe calculator is rated higher. CNC Lathe calculator averages 5.0 out of 5 from 4 ratings, while PerfectCalc averages 4.7 from 351 ratings.
Do CNC Lathe calculator or PerfectCalc have ads?
PerfectCalc shows ads; CNC Lathe calculator does not.
Which is updated more often, CNC Lathe calculator or PerfectCalc?
CNC Lathe calculator ships an update fortnightly, and PerfectCalc every 9 days. Most recently, CNC Lathe calculator was updated on November 7, 2026 and PerfectCalc on November 3, 2026.

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