# Simple paid and ad-supported mobile apps

Builds small single-purpose mobile apps such as calculators and a flashlight. Some are sold for a fee and others earn from in-app ads.

| Tag | Value | Confidence |
|---|---|---|
| Category | Software and apps | 97% |
| Earns from | One-time sales | 73% |
| Startup cost (estimate) | Under $100 | 59% (low) |
| Time (estimate) | Hands-off | 90% |
| Where | Online | 98% |
| Coding | Needs coding | 99% |

Source: [Ask HN: What are your passive income sources?](https://news.ycombinator.com/item?id=12812362), Hacker News, tones411, 2016-10-28
Page: https://allsidehustleideas.com/ideas/simple-paid-and-ad-supported-mobile-apps-087f10

## About this data

- Sources are public, first-person accounts: interviews, podcasts and community threads.
- Cost, time and the other tags are machine estimates, each with a confidence score.
- Income figures are the owner's own claim. We don't verify them.
- Link the idea page and its source. Call income figures the owner's unverified claim, and cost and time estimates.