CNC Maker Assistant vs CNC · G
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
CNC Maker Assistant
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CNC Maker Assistant is a workshop tool for hobby CNC users — not a chat app. IMPORT & VISUALIZE Import your G-code (.nc, .gcode, .ngc, .tap, .cnc) and see the actual toolpath rendered in 3D, with a 2D top-down mode too. Orbit, pan, and zoom with touch gestures, jump to any CAD-style view (Top/Front/Iso/etc.), or play the program back move-by-move with a scrubber — see exactly what your machine will do before you cut. DETERMINISTIC SAFETY CHECKS Every file is analyzed by real, deterministic logic — not a language model guessing. Rapid moves into stock, dangerously low Z clearance, a missing spindle start: these are found by code, then explained and prioritized by AI. The AI never invents a warning that the analyzer didn't already find. FEED & SPEED CALCULATOR Pick your material, tool diameter, flute count, and machine's max RPM, and get a starting feed rate and spindle speed from real formulas and curated cutting-data tables — aluminum, steel, acrylic, HDPE, wood, and more. The AI explains the "why" behind the numbers; it never calculates them. CNC KNOWLEDGE, GROUNDED Ask questions in a focused chat — tool selection, troubleshooting chatter, G-code reference — and get answers grounded in a curated knowledge base, not generic web search results. BUILT FOR THE WORKSHOP Big touch targets, offline-capable calculators, and a toolpath viewer designed to be legible with gloved hands next to a running machine. Cutting recommendations are conservative starting points to test on your own machine — always verify feeds, speeds, and workholding before running a real job. Free to start: 1 AI-explained G-code import, 5 feed/speed explanations, and 5 chat messages per day. CNC Maker Assistant Pro removes all three daily limits. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
CNC · G
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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
Verdict
The clearest difference is update cadence: CNC · G at every 2 days against CNC Maker Assistant's weekly. CNC Maker Assistant's advantage is device support (3 vs 1). On price, ads, in-app purchases and iOS requirement 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. CNC Maker Assistant sells 1 in-app purchase, starting at $4.99 per month and CNC · G sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
CNC Maker Assistant ships an update weekly, CNC · G every 2 days. The most recent releases landed on September 11, 2026 and September 13, 2026 respectively.
| Parameter | CNC Maker Assistant | CNC · G |
|---|---|---|
| Price | Free | Free |
| Update frequency | Weekly | Every 2 days — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 15.0 — better | 16.4 |
| Further details — not scored | ||
| Size | 28 MB | 94 MB |
| Age rating | 4+ | 4+ |
| Developer | Yakup Ad | silverio valerio brandao |
In-app purchases
CNC Maker Assistant
- Pro Monthly$4.991 Month
CNC · G
- Pro — Tuo per sempre$17.99
Questions
Is CNC Maker Assistant free?
Is CNC · G free?
Do CNC Maker Assistant or CNC · G have ads?
Which is updated more often, CNC Maker Assistant or CNC · G?
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