Smelldar - What Stinks Around
Put stench on the map
About
Report and map unpleasant odors in your neighborhood. Rate the intensity of smells and share them with the community to bring attention to persistent issues. Anonymously contribute to collective action against environmental nuisances.
What's New in Smelldar
1.1.0
April 23, 2026
**Good smells are now on the map** You can now report pleasant smells too. Open the report sheet and tap "Actually, it smells good here" to switch modes. Good smell reports appear as green circles on the map and cluster separately from stench. Historical good smell activity shows as a pink layer on the overlay. + Good smell reports can be confirmed by nearby users **Bug fixes & improvements** + Fixed an issue where old expired reports would reappear on the map after a new report was submitted in the same area + Historical smell overlay now shows single-report locations (previously required at least 2) + City names are now more consistent across regions and devices + Fixed the Smelldar logo occasionally getting clipped or showing empty space on narrow screens
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FAQ
What is Smelldar?
Smelldar is a community-driven application designed to report and map unpleasant odors in your vicinity. Users can anonymously rate the intensity of smells and share these reports to bring attention to persistent environmental issues.
How does Smelldar protect my privacy?
Smelldar prioritizes privacy by not requiring an account for basic use and assigning anonymous codenames. Your exact GPS location is never saved; reports are placed within a 150-meter radius, ensuring anonymity.
How is the stench intensity rated in Smelldar?
Smelldar uses a 1-10 scale to rate stench intensity. A rating of 1-3 is considered Faint, 4-6 is Foul, 7-8 is Severe, and 9-10 is Hazardous, indicating a smell that is potentially illegal.
Can I see reports from other users on Smelldar?
Yes, once a smell is reported, a heat circle appears on the map for nearby users. They can confirm the smell, add comments, and share the report, contributing to a collective understanding of the issue.
Does Smelldar have ads?
No, Smelldar is ad-free. The app is committed to user privacy and does not feature advertisements or track user data.
What devices does Smelldar support?
Smelldar is available for iPhone and iPod devices. It is designed for users on the Apple ecosystem.
How often is Smelldar updated?
The latest version of Smelldar is 1.1.0, which was last updated on April 23, 2026. This indicates a recent update, suggesting ongoing development and support.
Is Smelldar suitable for younger users?
Smelldar has an age rating of 9+, making it suitable for children aged 9 and above. This rating suggests the content is generally appropriate for this age group.