# CNC Blue vs G

The clearest difference is price: G at Free against CNC Blue's $2.99. G also leads on rating (5.0 vs 2.5). CNC Blue's advantage is in-app purchases (none vs 8) and update cadence (every 3 days vs every 2 months). On ads and device support there is nothing between them.

G is free to download; CNC Blue costs $2.99 up front. G sells 8 in-app purchases, starting at $1.99 per 7 days. CNC Blue asks for nothing beyond the download.

G holds the better App Store score, 5.0 against 2.5. Both are backed by a comparable volume of ratings — 4 and 1 respectively.

CNC Blue ships an update every 3 days, G every 2 months. Both last shipped on October 16, 2026.

## The numbers

| Metric | CNC Blue | G |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | [2.5 (4 ratings)](https://appshunter.io/ios/app/cnc-blue/id1507725632/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/g-code-generator-cnc-and-laser/id6754815495/reviews)** |
| Number of ratings | **4** | 1 |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 2 months |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 1 MB | 89 MB |
| Requires iOS | **13.5** | 16.4 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Mehmet SIMSEK](https://appshunter.io/developer/740675946) | [Omer Faruk BAGCI](https://appshunter.io/developer/1850264269) |

## What reviewers say

### CNC Blue

[App page](https://appshunter.io/ios/app/cnc-blue/id1507725632)

Control your 3-axis CNC machine via Bluetooth using your iOS device. Generate G-code for various shapes and drawings, then send it directly to your Arduino CNC shield.

**Highlights:** 3-axis CNC control via Bluetooth, G-code generation for shapes (circle, polygon, star, etc.), Custom drawing to G-code conversion, 3D preview of generated designs, Save and share G-code files, Direct G-code sending to Arduino

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### G

[App page](https://appshunter.io/ios/app/g-code-generator-cnc-and-laser/id6754815495)

This utility transforms images into high-quality G-Code for CNC machines, laser engravers, and plotters. It offers advanced controls for fine-tuning output and is designed for makers and professionals.

**Highlights:** Image to G-Code conversion, Advanced parameter controls, High-precision output, Export and share G-Code, Fast and easy to use

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| GCode Weekly | $1.99 | per 7 days |
| GCode Pro Weekly | $3.99 | per 7 days |
| GCode Monthly | $4.99 | per month |
| GCode Pro Monthly | $8.99 | per month |
| G-Code Pro Yearly | $39.99 | per year |
| 15 Credits | $1.99 | one-time |
| 30 Credits | $2.99 | one-time |
| 50 Credits | $3.99 | one-time |


## Frequently asked questions

### Is CNC Blue free?

CNC Blue costs $2.99, with no in-app purchases.

### Is G free?

G is free to download, with in-app purchases available.

### Which has better reviews, CNC Blue or G?

G is rated higher. CNC Blue averages 2.5 out of 5 from 4 ratings, while G averages 5.0 from 1 ratings.

### Do CNC Blue or G have ads?

Neither CNC Blue nor G shows ads.

### Which is updated more often, CNC Blue or G?

CNC Blue ships an update every 3 days, and G every 2 months. Most recently, CNC Blue was updated on October 16, 2026 and G on October 16, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*