# ML Annotator vs Vision Detector

The clearest difference is review sentiment: Vision Detector at 100% against ML Annotator's 60%. ML Annotator's advantage is update cadence (every 3 days vs every 10 days) and iOS requirement (15.0 vs 18.2). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ML Annotator ships an update every 3 days, Vision Detector every 10 days. The most recent releases landed on September 7, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | ML Annotator | Vision Detector |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (4 ratings)](https://appshunter.io/ios/app/ml-annotator/id1594943438/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 60.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 10 days |
| Monetization | Free | Free |
| Size | 8 MB | 1 MB |
| Requires iOS | **15.0** | 18.2 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Dito Technologies LLC](https://appshunter.io/developer/1076141818) | [Kazufumi Suzuki](https://appshunter.io/developer/1512087197) |

## What reviewers say

### ML Annotator

[App page](https://appshunter.io/ios/app/ml-annotator/id1594943438)

This tool facilitates the annotation of images for machine learning tasks like object detection and classification. It supports team collaboration, Apple Pencil for precise drawing, and offers various data export formats. Users can also generate custom iPython notebooks to kickstart model creation.

**Highlights:** Image annotation for ML classifiers, Team collaboration for annotation, Apple Pencil support for iPad, Export training data in multiple formats, Generate custom iPython notebooks, Training data improvement suggestions

**Features:** Vision Pro support

**In-app purchases:** none


### Vision Detector

[App page](https://appshunter.io/ios/app/vision-detector/id6443729650)

Easily test and evaluate Core ML models on your iPhone or iPad. Load your own models from various cloud services or local storage and run them using live camera feed or stored images. Supports image classification, object detection, and style transfer.

**Highlights:** Run Core ML models on device, Load models from cloud storage, Live camera feed inference, Image classification support, Object detection support, Style transfer support

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is ML Annotator free?

ML Annotator is free to download, with no in-app purchases.

### Is Vision Detector free?

Vision Detector is free to download, with no in-app purchases.

### Do ML Annotator or Vision Detector have ads?

Neither ML Annotator nor Vision Detector shows ads.

### Which is updated more often, ML Annotator or Vision Detector?

ML Annotator ships an update every 3 days, and Vision Detector every 10 days. Most recently, ML Annotator was updated on September 7, 2026 and Vision Detector 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.*