All Side Hustle Ideas
Software and apps

Paid online community for a niche audience

A members-only group charges a recurring or lifetime fee for access to a niche audience and its resources. The host promotes it from an existing audience.

At a glance
Estimated by a classifier that read the source. The bar shows how sure it was.
Category
Software and appsLow confidence
34% sure
x
Earns from
Subscriptions
93% sure
x
Startup cost (estimate)
$100 to $1kLow confidence
44% sure
x
Time it takes (estimate)
Part-timeLow confidence
48% sure
x
Where
Online
99% sure
x
Coding
No coding needed
94% sure
x
Source
The Koerner OfficeChris Koerner. “My 2025 Profit Reveal: A Full Breakdown of Every Income Stream (Ep. #261)”, December 30, 2025
In their words, not verified by usPaid communities $30K to $150K a month each; TKOwners about $600K revenue from April to December 2025.
Watch or read the source

More software and apps ideas

  • Software and apps
    Language learning app that teaches through songs
    A consumer app that teaches languages through music and singing. The founder tested the idea with viral content before building a simple first version and runs it solo.
    Online
    Starter Story, 2026
  • Software and apps
    Health and fitness app grown with paid ads
    An indie health and fitness app. The founder credits a repeatable marketing playbook built on paid ads, rather than the specific app, for its growth.
    $1k to $10kOnline
    Starter Story, 2026
  • Software and apps
    Gym fitness app built by a first-time coder
    An iOS fitness app built to solve the founder's own problem at the gym. The founder had never shipped code before and grew it with content and a personal brand.
    $100 to $1kOnline
    Starter Story, 2026
  • Software and apps
    Gym app built through constant testing
    A gym app whose founder treats product development like a science experiment, using A/B tests and feature validation to decide what to build.
    Online
    Starter Story, 2026
  • Software and apps
    AI rendering tool for architects and designers
    An AI tool that lets architects and designers generate realistic home renders in seconds. Revenue stayed flat for years until a single product pivot changed the business.
    Online
    Starter Story, 2026
  • Software and apps
    Marketing software for indie app developers
    A marketing SaaS for indie developers. The founder shaped the product through a very large number of customer calls with the ideal customer.
    Online
    Starter Story, 2026