Mac with Apple silicon
For Macs with an M1, M2, M3, M4, or newer Apple chip. Requires macOS 14 or later.
Download for Apple siliconGet started.
Download ForeverLM, sign in with your Apple Account, then connect the assistant you already use.
Step 1
Download the desktop app.
7 days free, then $19 once. No subscription. Keep the Mac app open when an assistant connects to your library.
Intel-based Mac
For Macs with an Intel processor. Requires macOS 14 or later.
Download for Intel
Step 2
Sign in with your Apple Account.
Open ForeverLM and choose Continue with Apple. There is no account to create and no card to enter: your Apple Account is your ForeverLM account on every device, and signing in starts your 7 free days of the whole app.
Continue with Apple
Apple's own sign-in opens in a sheet inside the app. Sign in as you would on any Apple device and choose whether to share or hide your email. Chat and quizzes run on your own OpenRouter API key, which you add in Settings → AI Usage.
What happens on first launchBring your own OpenRouter key
AI features run on your own OpenRouter API key, billed by OpenRouter at its cost with nothing added; OpenRouter is the provider supported today. ForeverLM adds nothing. Prefer the assistant you already pay for? Connect it in step 3.
Create an OpenRouter key
Step 3
Connect your assistant.
Optional. Give Claude, ChatGPT, or Grok access to the ForeverLM library on your Mac. Connecting an assistant comes with the app, with nothing extra to buy.
Claude connector
Add ForeverLM as a custom connector in Claude with the ForeverLM MCP URL, then complete Sign in with Apple.
Set up ClaudeOfficial ChatGPT plugin
Version 1.0.2 is submitted to OpenAI and in review. Use custom MCP setup until the public listing is approved.
Plugin status & setupGrok custom connector
Add ForeverLM as a custom plugin at grok.com/connectors. It is not in the Grok catalog yet.
Set up Grok