# ML Annotator vs Notate ML

The clearest difference is review sentiment: ML Annotator at 60% against Notate ML's 0%. ML Annotator also leads on update cadence (every 3 days vs every 5 months). Notate ML's advantage is rating (4.0 vs 3.0). On price, ratings volume, ads and in-app purchases there is nothing between them.

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

Notate ML holds the better App Store score, 4.0 against 3.0. Both are backed by a comparable volume of ratings — 4 and 4 respectively. Written reviews complicate that: 60% of ML Annotator's written reviews are positive against 0% of Notate ML's, so the app with the better star average is not the one people write more warmly about.

ML Annotator ships an update every 3 days, Notate ML every 5 months. The most recent releases landed on September 7, 2026 and July 3, 2026 respectively.

## The numbers

| Metric | ML Annotator | Notate ML |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (4 ratings)](https://appshunter.io/ios/app/ml-annotator/id1594943438/reviews) | **[4.0 (4 ratings)](https://appshunter.io/ios/app/notate-ml/id1605408700/reviews)** |
| Number of ratings | 4 | 4 |
| Positive reviews | **60.0% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 5 months |
| Monetization | Free | Free |
| Size | 8 MB | 7 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Dito Technologies LLC](https://appshunter.io/developer/1076141818) | [Rajaram Gurumurthi](https://appshunter.io/developer/1603687897) |

## 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


### Notate ML

[App page](https://appshunter.io/ios/app/notate-ml/id1605408700)

Accelerate the creation of image datasets for machine learning projects. Easily add labels, import or capture images, and annotate objects with bounding boxes. Export your prepared data for popular object detection frameworks.

**Highlights:** Create and name datasets, Add labels via typing, copy-paste, scanning, or voice, Import images from photo library, Capture new images with camera, Crop images and draw bounding boxes, Tag and label objects, Export data for YOLO, Create ML, Auto ML

**In-app purchases:** none


## Frequently asked questions

### Is ML Annotator free?

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

### Is Notate ML free?

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

### Which has better reviews, ML Annotator or Notate ML?

Notate ML is rated higher. ML Annotator averages 3.0 out of 5 from 4 ratings, while Notate ML averages 4.0 from 4 ratings.

### Do ML Annotator or Notate ML have ads?

Neither ML Annotator nor Notate ML shows ads.

### Which is updated more often, ML Annotator or Notate ML?

ML Annotator ships an update every 3 days, and Notate ML every 5 months. Most recently, ML Annotator was updated on September 7, 2026 and Notate ML on July 3, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*