Open Source Self-Hosted Emulator

Simslim

Run more iOS simulators by disabling background services

Self-Hosted IOS Emulator Optimization Simulators

go golang Makefile Shell swift SwiftUI xcode

Visit Website Repository Main Repository

Screenshots

A closer look at the product interface and key surfaces.

3 images

At a glance

Primary use case: Run more iOS simulators by disabling background services
Best for: Emulator — Self-Hosted, IOS
Stack: go, golang, Makefile, Shell
License: MIT
Maintenance: 1 week ago
Access: Open source · Self-hosted
Documentation path: https://github.com/MobAI-App/simslim

Resource map

Website

https://github.com/MobAI-App/simslim

Repository

https://github.com/MobAI-App/simslim

Documentation

https://github.com/MobAI-App/simslim

Read Markdown

https://fosshunter.com/tools/simslim.md

Read JSON

https://fosshunter.com/tools/simslim.json

About this tool

Simslim is an optimization tool that reduces iOS simulator memory usage by disabling unnecessary background services. It cuts memory footprint by four times, allowing developers to run many more simulators on a single Mac.

Repository

Stars

3,472

Forks

153

Issues

License

MIT

Last Push

2026-10-26 15:59:22 UTC

Metrics observed at

2026-11-04 07:42:11 UTC

Features

Reduces simulator memory consumption by approximately four times.
Disables over one hundred unnecessary background services and daemons.
Includes a SwiftUI application for managing simulator status and RAM.

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Published 1 day ago