# NetTrainer — Deep Learning on Your Device

> Mobile app for on-device AI and machine learning experimentation with neural networks. (iPhone/iPad app by 一和 朱.)

- Source: https://appshunter.io/ios/app/nettrainer/id6462193843 (this page in markdown: same URL + `.md`)
- Developer: [一和 朱](https://appshunter.io/developer/1496551363)
- Category: Education, Utilities
- Price: Free with in-app purchases
- Rating: 5.00/5 from 2 App Store ratings
- Age rating: 4+
- Requires: iOS 16.1 · 60 MB
- Languages: English
- Released: 2023-10-03
- Data updated: 2026-06-10
- Monetization: free with in-app purchases
- User reviews in markdown: https://appshunter.io/ios/app/nettrainer/id6462193843/reviews.md

## What is NetTrainer?

Discover the magic of AI without any network dependency — NetTrainer lets you experiment with MNIST neural networks directly on your phone. 
Tap into machine learning, anytime, anywhere!

Net Settings: Tailor your neural network's architecture.
Net Training: Kickstart training with a single tap, all computations happen on your device.
Data Explorer: Inspect your datasets and model performance.
Handwriting Test: Validate your model with real-world handwriting tests.

Master the fundamentals of machine learning in a completely standalone mobile experience. Get started now!

## Key features

- On-device neural network training
- Customizable network architecture
- Data and model performance inspection
- Real-world handwriting testing
- Offline machine learning experimentation

## Pricing and in-app purchases

Base price: Free.

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| Pro Mode | $1.99 | one-time |



## Frequently asked questions about NetTrainer

### What is NetTrainer's learning methodology?

NetTrainer focuses on hands-on experimentation with neural networks directly on your device. Users can tailor network architecture, train models offline, and test performance with real-world data, providing a practical approach to understanding AI fundamentals.

### How does NetTrainer track user progress?

Progress tracking in NetTrainer is primarily through user experimentation and model validation. The 'Data Explorer' allows users to inspect datasets and model performance, while the 'Handwriting Test' validates the trained model's accuracy.

### Does NetTrainer offer certifications?

Based on the provided information, NetTrainer does not appear to offer formal certifications. Its focus is on providing a platform for practical learning and experimentation with AI concepts.

### What devices does NetTrainer support?

NetTrainer is currently supported on iPhones. The app was released on October 3, 2023, and its latest version is 1.0.2, last updated on October 16, 2023.

### What is the age rating for NetTrainer?

NetTrainer has an age rating of 4+, making it suitable for a wide range of users interested in learning about AI and machine learning.

### Does NetTrainer have ads?

No, NetTrainer does not contain advertisements. The app is free to download and use, with optional in-app purchases.

### What are the in-app purchases in NetTrainer?

While the app is free, it does offer in-app purchases. Specific details on what these purchases entail are not provided in the description, but they are likely related to unlocking advanced features or content.

### How frequently is NetTrainer updated?

NetTrainer was last updated on October 16, 2023, indicating a recent update. The initial release was on October 3, 2023, suggesting active development and support from the developer.

## Version history (last 3 releases)

### 1.0.2 — 2023-10-16

- Fixed some bugs

### 1.0.1 — 2023-10-14

- Fixed some bugs.
- Improved user interfaces.

### 1.0 — 2023-10-03

No release notes.

## More apps by 一和 朱

- [CoreMotion Data Recorder](https://appshunter.io/ios/app/coremotion-data-recorder/id1496592891)
- [Geometry Evolution](https://appshunter.io/ios/app/geometry-evolution/id1568695854)
- [AI Deep Dream](https://appshunter.io/ios/app/ai-deep-dream/id1619582939)
- [Edges To Cats](https://appshunter.io/ios/app/edges-to-cats/id1622153971)
- [AI Art Painter](https://appshunter.io/ios/app/ai-art-painter/id1632800163)
- [Infinite Album](https://appshunter.io/ios/app/infinite-album/id1637359196)

All apps by 一和 朱: https://appshunter.io/developer/1496551363

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-10.*