Turning Calculator Pro

Turning Calculator Pro

By Shraddhaben Parmar

Turning Calculator Pro is a utility for machinists and CNC operators to calculate spindle speeds and feed rates on iOS.

The App DNA

What makes this app unique?

The tool replaces manual calculation or complex spreadsheet lookups with a mobile-first interface for lathe and CNC operations.

For Machinists, CNC operators, and engineers requiring quick calculation tools for lathe and turning center operations.

What does it look like?

Key features

RPM Calculatorstandard

Calculates spindle speed for lathe and CNC operations.

Feed and Cutting Speed Calculatorstandard

Computes feed rate and cutting speed values.

Ad-Free Experiencebasic

Removes advertisements via a one-time lifetime purchase.

How much does it cost?

freemiumFree with adsLifetime purchase to remove ads

The freemium model relies on ad-supported usage for the core utility, with a single lifetime purchase gate for power users.

Velocity

Maintenance developmentopaqueShow more...

Turning Calculator Pro currently operates on a maintenance cadence, having shipped only one release in the last 78 days. The development trend is currently stagnant, with no evidence of new feature deployments or live operations. Given the lack of updates beyond the initial release, the app appears to be in a stable, low-activity state.

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Who built it?

Shraddhaben Parmar

8 apps tracked · Utilities

Pattern Maker 2026Pattern Maker 2026Tap & Drill ProTap & Drill ProRigger ProRigger ProRCC Calculator ProRCC Calculator ProTransformer Calculation ToolTransformer Calculation ToolAI Model GeneratorAI Model GeneratorHeat Exchanger EvaluationHeat Exchanger Evaluation
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User Sentiment

What do users think recently?

Review voice lately leans excited. Users appreciate the core application functionality provides a generally positive experience for users seeking basic utility.

How are ratings & reviews evolving?

App Store
4.00 · 1

What users say, by theme

What Users Love
  • The core application functionality provides a generally positive experience for users seeking basic utility
What Frustrates Users
  • Inability to input decimal separators prevents users from performing accurate calculations within the interface

1 of 1 recent reviews analyzed · limited sample

Read the full review analysis

Competition

Competitive landscape for Turning Calculator Pro

How's the Utilities market?

Turning Calculator Pro occupies a niche utility space for manufacturing professionals. The 4.0-star rating on a single review sample indicates early-stage market validation, but the 78-day update gap suggests limited competitive investment.

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The rivals identified

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The Analyst's Read

Key takeaways for Turning Calculator Pro

Where is it heading?

The manufacturing utility market is consolidating around tools that offer high-precision, localized inputs. Turning Calculator Pro's current maintenance posture and input limitations leave it exposed to more agile competitors, which will likely lead to further user churn in the next quarter.

  • The 78-day update gap without feature expansion suggests the tool is in maintenance mode, which erodes professional trust.
  • The decimal input failure prevents accurate calculations, which directly contradicts the app's core value proposition of precision.

The SWOT

Core Strengths
  • Standardized calculation library for spindle speed and feed rates
Critical Frictions 1 weakness inside
Growth Levers
  • Localized decimal support would resolve the primary user frustration
Market Threats 1 threat identified

Next best moves

1 Invest

Ship decimal separator support because it is the top user complaint → restore core utility

The counter-intuitive read

The lack of updates is not just a maintenance issue…

Read the full take

Since the last report: The outlook for Turning Calculator Pro has shifted from stable to declining, driven by the realization that the 78-day maintenance gap and unresolved decimal input failures are actively eroding professional trust.

Bottom line

Turning Calculator Pro provides essential shop-floor math, but the decimal input failure renders it unreliable for professional use. Fixing the input logic would unlock the tool's utility and stabilize the user base against more responsive competitors.

Unlock 1 critical friction, 1 market threat and the analyst’s take.

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FAQ

Is Turning Calculator Pro accurate for professional CNC work?
Users report that the app currently fails to process decimal inputs, which limits its utility for high-precision manufacturing tasks.
Does Turning Calculator Pro require a subscription?
No, the app uses a freemium model where the core tool is free with ads, and a one-time lifetime purchase is available to remove them.
What are the limitations of the free version?
The free version includes the full calculation suite but displays advertisements. A lifetime purchase is required to remove these ads.

Sources

  1. [1] App Store, source

Report last updated

Disclosure: Independent intel to help mobile builders succeed.

AI-powered analysis with automated quality gates, built from publicly available sources. Marlvel.ai is not affiliated with, endorsed by, or sponsored by Turning Calculator Pro, its developer, the app publisher, Apple, or Google Play. All trademarks, logos, and screenshots referenced remain the property of their respective owners.

What's new

The outlook for Turning Calculator Pro has shifted from stable to declining, driven by the realization that the 78-day maintenance gap and unresolved decimal input failures are actively eroding professional trust.

declined

Outlook Trend

shifted

Contrarian Take

added

Competitive Vulnerability

Cite this report

Marlvel.ai. “Turning Calculator Pro Intelligence Report.” Updated Aug 6, 2026. https://marlvel.ai/apps/turning-calculator-pro

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