# ML Trainer vs CGProto

The clearest difference is price: CGProto at Free against ML Trainer's $0.99. CGProto also leads on update cadence (weekly vs every 55 months). ML Trainer's advantage is in-app purchases (none vs 2). On rating, ratings volume, ads and device support there is nothing between them.

CGProto is free to download; ML Trainer costs $0.99 up front. CGProto sells 2 in-app purchases, starting at $1.49 per month. ML Trainer asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for ML Trainer against 5.0 for CGProto. Both are backed by a comparable volume of ratings — 2 and 2 respectively.

ML Trainer ships an update every 55 months, CGProto weekly. Both last shipped on September 21, 2026.

## The numbers

| Metric | ML Trainer | CGProto |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/ml-trainer-make-training-data/id1573622903/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/cgproto/id1605116861/reviews) |
| Number of ratings | 2 | 2 |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 55 months | **Weekly** |
| Monetization | Paid | **Freemium** |
| Size | 9 MB | 31 MB |
| Requires iOS | **14.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Casey Pollock](https://appshunter.io/developer/991679552) | [雄龙 许](https://appshunter.io/developer/1605095075) |

## What reviewers say

### ML Trainer

[App page](https://appshunter.io/ios/app/ml-trainer-make-training-data/id1573622903)

Easily create training data for machine learning image classification models. Capture thousands of images with adjustable settings for speed and accuracy, then export them for use with popular development tools.

**Highlights:** Capture images for ML training data, Adjustable scan speed and frame count, Low light enhancement with flashlight, Export images to Photos app, Compatibility with CreateML, TensorFlow, Azure ML, Accuracy aids like crosshairs and guides

**Features:** Vision Pro support

**In-app purchases:** none


### CGProto

[App page](https://appshunter.io/ios/app/cgproto/id1605116861)

This app offers a node-based scripting editor for rapid prototyping and learning computer graphics. It provides a sandbox to easily write shaders and JavaScript for creating impressive CG effects.

**Highlights:** Node-based scripting editor, Rapid prototyping, Learn computer graphics, Shader writing (GLSL, HLSL, Metal, Unity ShaderLab), JavaScript scripting, Create CG effects

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $1.49 | per month |
| Pro Yearly | $9.99 | per year |


## Frequently asked questions

### Is ML Trainer free?

ML Trainer costs $0.99, with no in-app purchases.

### Is CGProto free?

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

### Which has better reviews, ML Trainer or CGProto?

ML Trainer and CGProto are both rated 5.0 out of 5 on the App Store, from 2 and 2 ratings respectively.

### Do ML Trainer or CGProto have ads?

Neither ML Trainer nor CGProto shows ads.

### Which is updated more often, ML Trainer or CGProto?

ML Trainer ships an update every 55 months, and CGProto weekly. Most recently, ML Trainer was updated on September 21, 2026 and CGProto on September 21, 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.*