# G vs UnitFlowPro

The clearest difference is price: G at Free against UnitFlowPro's $1.99. G also leads on ads (none vs shown). UnitFlowPro's advantage is in-app purchases (none vs 8) and update cadence (every 5 days vs every 2 months). On rating, ratings volume, monetization model and device support there is nothing between them.

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

On the App Store both sit at effectively the same score — 5.0 for G against 5.0 for UnitFlowPro. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

G ships an update every 2 months, UnitFlowPro every 5 days. The most recent releases landed on October 16, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | G | UnitFlowPro |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/g-code-generator-cnc-and-laser/id6754815495/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/unitflowpro/id6767599503/reviews) |
| Number of ratings | 1 | 1 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Every 5 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 89 MB | 3 MB |
| Requires iOS | **16.4** | 17.6 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Omer Faruk BAGCI](https://appshunter.io/developer/1850264269) | [James Roche](https://appshunter.io/developer/1896491450) |

## What reviewers say

### 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 |


### UnitFlowPro

[App page](https://appshunter.io/ios/app/unitflowpro/id6767599503)

Instantly convert units across numerous categories with real-time updates as you type. Features a clean, dark interface with color-coded units for easy identification. Handles all number types seamlessly.

**Highlights:** Real-time unit conversions, 15+ conversion categories, Color-coded unit design, Smart number handling, Ad-free option via one-time purchase

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

**In-app purchases:** none


## Frequently asked questions

### Is G free?

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

### Is UnitFlowPro free?

UnitFlowPro costs $1.99, with no in-app purchases.

### Which has better reviews, G or UnitFlowPro?

G and UnitFlowPro are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do G or UnitFlowPro have ads?

UnitFlowPro shows ads; G does not.

### Which is updated more often, G or UnitFlowPro?

G ships an update every 2 months, and UnitFlowPro every 5 days. Most recently, G was updated on October 16, 2026 and UnitFlowPro on October 14, 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.*