All Side Hustle Ideas

Software and apps side hustle ideas

A web app, SaaS, mobile app, browser extension, bot or API that people pay for or that earns from ads.

Startup cost
Under $100$100 to $1k$1k to $10kOver $10k
Time
Hands-offA few hours a weekPart-timeNear full-time
Where
OnlineIn personOnline and in person
Earns from
AdsAffiliateSubscriptionsOne-time salesService feesRentMarketplace cutSponsors and donations
Coding
No coding neededNeeds coding

1 idea

  • Software and apps
    Solo-built mobile game
    A mobile game built by a former big tech employee after leaving a full-time job. It grew with no paid marketing.
    Online
    Starter Story, 2026