Underdog
Underdog is a personal AI assistant by Healthy Fortune, LLC.
A private assistant that runs on your computer for email, calendar, meeting notes, dictation and errands.
underdog.ai
FreePrice
AssistantCategory
SeveralRuns on
October 14Checked, with sources
What it does
A private assistant that runs on your computer for email, calendar, meeting notes, dictation and errands.
- 100% local AI processing
- Email unsubscribe tool
- Meeting notes
- Dictation
- Memory you can inspect
- Blocks tracking pixels
- Email and calendar
- Errands
Best for
The maker
Healthy Fortune, LLC.
“A loyal AI for your mail, calendar, and everyday work. Runs locally on your computer.”In their words
Pros & cons
Cons
- Invite-only beta.
Pricing
Free
Vendor says it is free. Invite-only beta; purchases made through the assistant still cost money, and Underdog says it earns a small share of those purchases.
PlanPrice
Good Boy100% free; runs on your computer, no server costsFree
Prices change. Confirm on the official site.
Runs on
iOSAndroidMacWindowsLinuxWebCLIChromeWhatsAppTelegramSMSAPI
Lit = listed by the maker. Dimmed = not listed.
Mac and Windows beta. Linux, iPhone and Android are planned.
Works with
Under the hood
Models as stated by the maker.
Privacy
- 100% local AI, content not sent to cloud AI services
- Mail syncs directly with your email provider
- Passed Leviathan Security Group and App Defense Alliance assessment
Sources
Last verified October 14, 2026
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