# ML Trainer vs Data Modeler

The clearest difference is price: Data Modeler at Free against ML Trainer's $0.99. Data Modeler also leads on update cadence (every 5 days vs every 55 months). ML Trainer's advantage is rating (5.0 vs 4.4) and in-app purchases (none vs 3). On ratings volume, ads and device support there is nothing between them.

Data Modeler is free to download; ML Trainer costs $0.99 up front. Data Modeler sells 3 in-app purchases, starting at $8.49 per month. ML Trainer asks for nothing beyond the download.

ML Trainer holds the better App Store score, 5.0 against 4.4. Both are backed by a comparable volume of ratings — 2 and 5 respectively.

ML Trainer ships an update every 55 months, Data Modeler every 5 days. The most recent releases landed on September 21, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | ML Trainer | Data Modeler |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/ml-trainer-make-training-data/id1573622903/reviews)** | [4.4 (5 ratings)](https://appshunter.io/ios/app/data-modeler/id1575153701/reviews) |
| Number of ratings | 2 | **5** |
| Positive reviews | — | 54.5% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 55 months | **Every 5 days** |
| Monetization | Paid | **Freemium** |
| Size | 9 MB | 23 MB |
| Requires iOS | **14.0** | 17.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Casey Pollock](https://appshunter.io/developer/991679552) | [Rahul Katariya](https://appshunter.io/developer/1680332229) |

## 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


### Data Modeler

[App page](https://appshunter.io/ios/app/data-modeler/id1575153701)

Effortlessly create, visualize, and export complex data models for your projects. Design entities, relationships, and attributes with an intuitive editor. Add data to test your models and export them as JSON documents or diagrams.

**Highlights:** Intuitive data model editor, Create entities, attributes, and relationships, Define cardinalities and relationship types, Add and store data within models, Visualize models as ER diagrams, Export data as JSON documents

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $8.49 | per month |
| Annual | $59.99 | per year |
| Introductory Lifetime Offer | $89.99 | one-time |


## Frequently asked questions

### Is ML Trainer free?

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

### Is Data Modeler free?

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

### Which has better reviews, ML Trainer or Data Modeler?

ML Trainer is rated higher. ML Trainer averages 5.0 out of 5 from 2 ratings, while Data Modeler averages 4.4 from 5 ratings.

### Do ML Trainer or Data Modeler have ads?

Neither ML Trainer nor Data Modeler shows ads.

### Which is updated more often, ML Trainer or Data Modeler?

ML Trainer ships an update every 55 months, and Data Modeler every 5 days. Most recently, ML Trainer was updated on September 21, 2026 and Data Modeler on September 25, 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.*