FreeScaler

Free plan

What the maker publishes

Apple Silicon

On Apple Silicon Macs, built-in models use the Neural Engine by default, and the project reports a 5x–10x speed increase over FreeScaler 1 and 75% lower power consumption. source

Compatibility

The app is a Cocoa/Swift application available exclusively on macOS, with native components for Apple Silicon and Intel Macs. source

Custom models

Users can import custom CoreML models, which must use images as both input and output. source

Desktop app

Yes source

Framework

The app is based on Apple's CoreML framework. source

Free plan

Yes source

GPU support

Supported GPUs listed are Apple Silicon, AMD, and Nvidia; Intel GPUs are not supported. source

Maker

TheMurusTeam describes itself as two independent developers focused on Mac firewalls and lists Italy as its location. source

Movie upscaling

Upscaling .mov files is described as an experimental feature. source

Privacy

The project says it collects no data or usage statistics, shows no ads, and does not require uploading images to a remote server. source

Processing

The project says everything is kept on the user's device. source

Purpose

FreeScaler is a free, open-source macOS app for upscaling low-resolution images with AI models. source

Requirements

FreeScaler requires a Mac with at least 8GB RAM and macOS Big Sur 11.3 or newer. source

Testing

The README says the current version was tested only on Apple Silicon Macs running macOS 12 and macOS 13. source

Upscaling method

ai source

Workflow

Users import an image, choose a model, and compare the original with the upscaled image. source

Checked against the maker's pages on 12 Oct 2026.