# Android notepad app earning ad revenue

A simple Android app built to learn the platform that now earns from in-app ads.

| Tag | Value | Confidence |
|---|---|---|
| Category | Software and apps | 95% |
| Earns from | Ads | 98% |
| Startup cost (estimate) | Under $100 | 70% |
| Time (estimate) | Hands-off | 95% |
| Where | Online | 98% |
| Coding | Needs coding | 99% |

Source: [Your best passive income? (2014)](https://news.ycombinator.com/item?id=7095308), Hacker News, rajeevk, 2014-01-21
Page: https://allsidehustleideas.com/ideas/android-notepad-app-earning-ad-revenue-787d57

## 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.