# ML Annotator vs Background Eraser

The clearest difference is update cadence: ML Annotator at every 3 days against Background Eraser's every 21 months. ML Annotator also leads on device support (4 vs 2). On price, ads, in-app purchases and iOS requirement 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, Background Eraser every 21 months. The most recent releases landed on September 7, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | ML Annotator | Background Eraser |
| --- | --- | --- |
| 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 | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 21 months |
| Monetization | Free | — |
| Size | 8 MB | 3 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Dito Technologies LLC](https://appshunter.io/developer/1076141818) | [Yogesh Rathod](https://appshunter.io/developer/1548316962) |

## 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


### Background Eraser

[App page](https://appshunter.io/ios/app/background-eraser-automatic/id1604073393)

**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 Background Eraser free?

Background Eraser is free to download, with no in-app purchases.

### Do ML Annotator or Background Eraser have ads?

Neither ML Annotator nor Background Eraser shows ads.

### Which is updated more often, ML Annotator or Background Eraser?

ML Annotator ships an update every 3 days, and Background Eraser every 21 months. Most recently, ML Annotator was updated on September 7, 2026 and Background Eraser on September 9, 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.*