Comparison

CNC Assistant AI vs CNC · G

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

Head to head
About

CNC Assistant AI

Features
Read full description

CNC Assistant is your AI-powered diagnostic companion for Fanuc, Siemens, and Heidenhain CNC machines — built by a real machinist, for machinists. Stop flipping through alarm manuals or guessing what a cryptic error code means. Type it in, or snap a photo of your machine's screen, and get a clear, accurate answer in seconds. WHAT YOU CAN DO Decode Alarms Instant explanations for Fanuc, Siemens, and Heidenhain alarm codes, including likely causes and step-by-step fixes. Explain G/M Codes Quick reference for any G-code or M-code, with syntax and real examples. Analyze Programs Paste your G-code program and get a breakdown of what it does, plus warnings about potential issues. Diagnose via Photo Take a picture of your machine's alarm screen or a part, and let AI help identify the problem. Cutting Calculator Calculate spindle speed, feed rate, and material removal rate for turning and milling, across 8 materials. Machine Profiles Save your machine's specs so answers are tailored to your actual setup. Multi-language Available in English, Slovak, Ukrainian, German, French, Italian, Spanish, and Polish. BUILT FOR THE SHOP FLOOR No fluff, no unnecessary screens — just fast, accurate answers when you're standing at the machine and need to get back to work. FREE TO START Ask up to 5 AI questions a day at no cost. Need more? Upgrade to Pro for unlimited AI-powered diagnostics. For machine shops and teams: contact us about company-wide access. Built independently by a CNC operator who got tired of digging through manuals. Terms of Use: https://www.cncassistant.app/#terms

About

CNC · G

Features
Read full description

The complete CNC reference, always in your pocket. Works 100% offline: no network needed on the shop floor. WHAT'S INSIDE • 149 G-codes and 115 M-codes explained, with syntax, parameters, examples and toolpath diagrams • 105 canned cycles (drilling, threading, pockets and more) • 90 workshop calculators and formulas: cutting speed, RPM, feeds and much more • G-code analyzer with graphic toolpath preview • Materials database with cutting parameters • Fanuc and Siemens alarms explained • Technical glossary and tables (threads, tolerances…) • Available in 18 languages FREE AND PRO The free version includes a complete sample of the reference, the glossary and all languages. One single one-time purchase unlocks EVERYTHING, forever: no subscription, no recurring costs. Made by machinists, for machinists.

Screenshots

CNC Assistant AI4 screens
CNC · G4 screens

Verdict

The call

CNC Assistant AI and CNC · G are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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 Assistant AI sells 2 in-app purchases, starting at $3.99 per month and CNC · G sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

ScorecardNo meaningful differences
CNC Assistant AI versus CNC · G: the parameters behind the verdict, then further details
ParameterCNC Assistant AICNC · G
PriceFreeFree
Update frequency—Every 2 days
AdsNoNo
In-app purchasesYesYes
DevicesiPhone, iPad — betteriPhone
Requires iOS17.616.4 — better
Further details — not scored
Size3 MB94 MB
Age rating4+4+
DeveloperMaksym Syvaksilverio valerio brandao

In-app purchases

2 purchases

CNC Assistant AI

Subscriptions2
  • CNC Assistant Pro$3.991 Month
  • CNC Assistant Pro$24.991 Year
1 purchases

CNC · G

One-time1
  • Pro — Tuo per sempre$17.99

Questions

Is CNC Assistant AI free?
CNC Assistant AI is free to download, with in-app purchases available.
Is CNC · G free?
CNC · G is free to download, with in-app purchases available.
Do CNC Assistant AI or CNC · G have ads?
Neither CNC Assistant AI nor CNC · G shows ads.

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