# In-app bidding

An auction approach in which demand sources compete for an app's available ad opportunity.

An auction approach in which demand sources compete for an app's available ad opportunity.

## An example

Several eligible networks return bids for one mobile app placement.

## Why it matters

Compare response deadlines, fees and eligibility; the largest raw bid may not produce the best net outcome.


## Related terms
- [Demand-side platform (DSP)](https://jolts.xyz/resources/glossary/demand-side-platform)
- [Inventory](https://jolts.xyz/resources/glossary/inventory)
- [Programmatic media buying](https://jolts.xyz/resources/glossary/programmatic-media-buying)
- [Supply-side platform (SSP)](https://jolts.xyz/resources/glossary/supply-side-platform)

## Next step

[Explore advertising](https://jolts.xyz/advertisers) or [monetize your AI app](https://jolts.xyz/publishers).