CNC Comparison Tool vs Tolerance Helper
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
CNC Comparison Tool
Compare various FANUC CNC types with detailed feature breakdowns. Easily contrast the specifications of different FANUC CNC models to find the best fit for your needs.
- Compare FANUC CNC types
- Highlight features of each CNC
- Contrast multiple FANUC CNC models
- Detailed specification breakdowns
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This tool allows the ability to compare different FANUC CNC types. The features of each FANUC CNC are highlighted and can compare against any other FANUC CNC type.
Tolerance Helper
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Tolerance Calculator Tolerance Calculator is a comprehensive engineering reference tool for mechanical design and precision manufacturing professionals. This app simplifies the process of calculating dimensions with ISO standard tolerances for both holes and shafts. Key Features Comprehensive Tolerance Reference Complete reference table of engineering tolerances Support for both hole and shaft designations (e.g., H7, h7) Spans all standard dimensional intervals Easy Tolerance Calculation Calculate minimum, maximum, and average dimensions Enter a nominal dimension and view all tolerance limits instantly Results displayed clearly with color-coded indicators Copy results to clipboard with a single tap Powerful Search and Filtering Quick search for specific tolerance designations Filter by hole or shaft tolerances Recent searches history for faster access Customizable tolerance filter to show only designations you need Multi-unit Support View tolerances in millimeters (mm) Convert to inches (in) with proper precision Convert to micrometers (μm) for precision work User-Friendly Interface Intuitive navigation with tolerance table Clean, engineering-focused design Clear color coding: blue for holes, green for shafts Clickable cells for instant calculations Accessibility Features Dark mode support for low-light environments Responsive layout for phones and tablets Support for both portrait and landscape orientations Localization English and Russian language support International engineering symbols Professionally translated interface Perfect For Mechanical engineers CNC machinists Manufacturing technicians Quality control specialists Engineering students Technical designers Precision fabricators Tolerance Calculator is the essential pocket reference for anyone working with precision mechanical parts. Calculate proper fits and clearances accurately without the need for paper tables or complex formulas. Download now and simplify your engineering calculations!
Screenshots
Verdict
The clearest difference is update cadence: Tolerance Helper at weekly against CNC Comparison Tool's monthly. CNC Comparison Tool's advantage is iOS requirement (12.0 vs 15.0). On price, review sentiment, 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
CNC Comparison Tool ships an update monthly, Tolerance Helper weekly. The most recent releases landed on June 3, 2026 and September 26, 2026 respectively.
| Parameter | CNC Comparison Tool | Tolerance Helper |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (4 ratings) — better | — |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| Number of ratings | 4 — better | — |
| Update frequency | Monthly | Weekly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 27 MB | 21 MB |
| Age rating | 4+ | 4+ |
| Developer | FANUC America Corporation | Dmitriy Trofimov |
Customer experience
CNC Comparison Tool
Tolerance Helper
In-app purchases
CNC Comparison Tool
No in-app purchases
Tolerance Helper
No in-app purchases




