Cutting Tool App vs GM Pro AF
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Cutting Tool App
This application assists with calculations for carbide tools, including spindle speed and cutting speed. It supports various calculation types and provides access to online resources and inquiry services.
- Spindle speed and cutting speed calculation
- Millind calculator
- Turning calculator
- Drilling calculator
- Threading calculator
- GHG emissions simulation
- Online inquiry service
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From machining calculations to tool selection and product information, Cutting Tool App by Mitsubishi Materials brings useful machining resources together in one place. Calculate cutting conditions, find tools and explore product details from your phone. KEY FEATURES Machining calculations Access formulas for milling, turning, drilling, thread lead angle, ball nose milling and cutting length for turning. Select the value you need, enter your data and calculate cutting speed, spindle speed, feed rate, machining time and more. Web Catalog Search by order number, EDP number or tool category. Find turning inserts, holders, end mills, drills and spare parts, and check product specifications. Tool Assistant Search for tools based on your machining application and conditions to support tool selection. Product and technical information Explore product categories, new products, technical information and industry solutions, or access contact information. Supported web content opens within the app. The United States region also provides a link to the online Shop. Region and unit settings Choose your region and metric or inch units. Your selected region is retained when you restart the app. PLEASE NOTE An internet connection is required. Available features, products and content languages vary by selected region. Some links open in an external browser. Calculation results are provided for reference; check actual machining conditions and tool specifications before use.
GM Pro AF
This app instantly configures running parameters for machining cutters, calculating RPM, IPM, SFM, and Chimp-Loads for various materials. It provides confidence and swagger for shop floor operations and allows sharing of findings.
- Instant configuration of running parameters
- Calculates RPM, IPM, SFM, and Chimp-Loads
- Supports a wide variety of machining materials
- Quick calculations without lengthy questionnaires
- Share machining findings
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The Gorilla Machinist Pro App immediately configures running parameters to put you right in the wheelhouse of all the Gorilla Mill family of cutters. Accurate, dependable, and living on the hairy edge for those “other” end mill and drill lines. RPM, IPM, SFM and Chimp-Loads are calculated at the blink of an eye. A wide variety of machining materials, with no cumbersome long-winded questionnaire asking if all the planets are aligned or if your coolant stinks. And now it’s new and improved! WHAT you say? Yerp, it’s chalked full of calculations and formulas for everything machining so you too can be a “Rock Star” on the shop floor. Walk onto the shop floor with the confidence and swagger of Connor McGregor walking into the Octagon. Share your findings with friends, co-workers, and family…or DON”T and just tell folks it’s all in your noodle upstairs!
Screenshots
Verdict
The clearest difference is update cadence: GM Pro AF at every 3 weeks against Cutting Tool App's every 4 months. On price, ads, 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Cutting Tool App ships an update every 4 months, GM Pro AF every 3 weeks. The most recent releases landed on October 12, 2026 and October 3, 2026 respectively.
| Parameter | Cutting Tool App | GM Pro AF |
|---|---|---|
| Price | Free | Free |
| Rating | — | 4.5 (2 ratings) — better |
| Positive reviews | 0.0% of reviews | — |
| Number of ratings | — | 2 — better |
| Update frequency | Every 4 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 14.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 1 MB | 53 MB |
| Age rating | 17+ | 4+ |
| Developer | Mitsubishi Materials Corporation | Gorilla Tools, Inc |
Customer experience
Cutting Tool App
GM Pro AF
In-app purchases
Cutting Tool App
No in-app purchases
GM Pro AF
No in-app purchases






