Comparison

Walter Safety vs Machining Advisor Pro

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

Head to head
About

Walter Safety

This app provides metal workers and welders with essential tools and information for their daily tasks. It offers charts for optimal settings on grinders, drill bits, and cutters, along with a grinding angle guide and a unit converter.

Highlights
  • Drill bit speed chart
  • Annular cutter chart
  • Abrasive speed chart
  • Grinding angle guide
  • Unit converter
  • Built-in level tool
  • Flashlight functionality
Features
Read full description

Brought to you by Walter Surface Technologies, Walter Safety is the ultimate app for your iPhone! Designed like a digital Swiss knife, it will help metal workers and welders in their everyday tasks in a totally new way. Whether you need to know the optimal settings for your grinder, or just wish to enlighten your world, Walter Safety is built for you. -Drill bit speed chart: Provides the optimal RPM (rotation per minute) per Walter drill bit. Recommendations are based on the size of the bit and on the type of metal you want to drill. -Annular cutter chart: Provides the optimal RPM (rotation per minute) per Walter annular core cutter. Recommendations are based on the size of the core cutter and on the type of metal you want to cut.  -Abrasive speed chart: Provides the maximum RPM (rotation per minute) for all Walter abrasives, helping to ensure the safe use of Walter products. -Grinding angle: To ensure both safety and performance, this app provides you with the optimal angle to use when grinding with different types of Walter abrasives. -Flashlight: Are you in the dark? Use your iPhone 4, 4S or 5 to illuminate your world.  -Unit Converter: Allows you to easily convert from one unit of measure to another.

 -Level: Allows you to determine how level a surface is.

About

Machining Advisor Pro

This app provides recommended running parameters for CNC machining, specifically for Helical Solutions and Harvey Tool products. It generates customized speeds and feeds based on your end mill, tool path, material, and machine setup, optimizing metal removal rates and shop productivity.

Highlights
  • CNC speeds and feeds calculator
  • Optimized for 30,000+ products
  • Supports 300+ material grades
  • Intuitive user interface
  • Customized setup options
  • Quick search functionality
Features
Read full description

Machining Advisor Pro quickly, seamlessly, and accurately provides recommended running parameters for CNC machining with your Helical Solutions and Harvey Tool products. Generate specialized speeds and feeds by pairing your end mill with your exact tool path, material, and machine setup. OPTIMIZED FOR 30,000+ PRODUCTS Increase metal removal rates and shop productivity with customized running parameters specifically designed for Helical Solutions and Harvey Tool products. 300+ MATERIAL GRADES Take into account the specific material grade and condition of your workpiece. INTUITIVE USER INTERFACE Save time by quickly determining your end mill’s optimal running parameters. CUSTOMIZED SETUP OPTIONS Enter your machine and setup details to generate personalized Speeds & Feeds. QUICK SEARCH FUNCTIONALITY Narrow down options quickly with a convenient Type Ahead feature and Auto-Tool selection.

Screenshots

Walter Safety4 screens
Machining Advisor Pro1 screens

Verdict

The call

The clearest difference is review sentiment: Walter Safety at 80% against Machining Advisor Pro's 17%. Walter Safety also leads on ads (none vs shown) and monetization model (free vs ad-supported). Machining Advisor Pro's advantage is update cadence (every 6 weeks vs every 5 months). On price, 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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Walter Safety ships an update every 5 months, Machining Advisor Pro every 6 weeks. The most recent releases landed on October 18, 2026 and October 23, 2026 respectively.

Scorecard5 real differences · 5 level
Walter Safety versus Machining Advisor Pro: the parameters behind the verdict, then further details
ParameterWalter SafetyMachining Advisor Pro
PriceFreeFree
Rating—4.0 (163 ratings) — better
Positive reviews80.0% of reviews — better17.2% of reviews
Number of ratings—163 — better
Update frequencyEvery 5 monthsEvery 6 weeks — better
AdsNo — betterYes
In-app purchasesNoNo
MonetizationFree — betterAd-supported
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS7.0 — better15.0
Further details — not scored
Size46 MB61 MB
Age rating4+4+
DeveloperJ. Walter Compagnie Lt�HARVEY TOOL COMPANY, LLC

Customer experience

Walter Safety

Written reviews10 reviews
Positive80.0%
Neutral0.0%
Negative20.0%

Machining Advisor Pro

All ratings160 ratings
Positive73.8%
Neutral5.6%
Negative20.6%
Written reviews29 reviews
Positive17.2%
Neutral6.9%
Negative75.9%

In-app purchases

None

Walter Safety

No in-app purchases

None

Machining Advisor Pro

No in-app purchases

Questions

Is Walter Safety free?
Walter Safety is free to download, with no in-app purchases.
Is Machining Advisor Pro free?
Machining Advisor Pro is free to download, with no in-app purchases.
Do Walter Safety or Machining Advisor Pro have ads?
Machining Advisor Pro shows ads; Walter Safety does not.
Which is updated more often, Walter Safety or Machining Advisor Pro?
Walter Safety ships an update every 5 months, and Machining Advisor Pro every 6 weeks. Most recently, Walter Safety was updated on October 18, 2026 and Machining Advisor Pro on October 23, 2026.

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