Geofencing is one of the most powerful ways to connect digital marketing with real-world behaviour. Whether you’re trying to drive foot traffic, reach people near a competitor, or promote an event, geofencing helps you target audiences based on where they are (or where they’ve been).
In this guide, we’ll break down geofencing in simple terms: what it is, how it works, common use cases, and what you need to know before launching your first campaign.
What is geofencing?
Geofencing is a location-based technology that creates a virtual boundary around a real-world area, like a neighbourhood, store, landmark, or event venue.
When someone enters (or exits) that zone, a geofencing system can trigger an action such as:
- Delivering an ad to their phone
- Sending a push notification (if using an app)
- Logging a visit for reporting and attribution
Think of it like drawing a digital circle on a map and saying:
“When people are inside this area, show them my message.”
How does geofencing work?
At a high level, geofencing follows a simple process:
1) Define custom target zones
You select a geographic area to target, for example:
- A retail location
- A competitor’s store
- A stadium during game day
- A festival venue
- A group of neighborhoods
These zones can be as broad as a city block or as specific as a single building.
2) Identify devices in that zone
When people move through the area, geofencing tools detect eligible mobile devices using location signals such as:
- GPS
- Wi-Fi networks
- Cell tower data
- Bluetooth (in some setups)
This allows marketers to build an audience of people who were physically present in the zone.
3) Deliver ads to identified customers
Once devices are captured, campaigns can deliver ads through mobile apps, websites, and programmatic ad networks, often in real time or shortly after the visit.
This means your message reaches people based on real-world intent, not just online browsing behaviour.
4) Measure results
Geofencing platforms typically report on outcomes such as:
- Impressions served
- Clicks and engagement
- Store visits (footfall attribution)
- Cost per visit (CPV)
- Conversion lift compared to non-exposed audiences
This closes the loop between marketing spend and real-world impact.
What makes geofencing so effective?
Most advertising targets people based on interests or demographics. Geofencing adds a missing piece: context.
Someone standing near (and even inside!) a car dealership, shopping mall, or event venue is often showing real intent, and that makes your marketing more timely and relevant.
Geofencing is especially powerful because it can help you:
- Reach people at the right moment
- Improve local campaign efficiency
- Target high-intent audiences
- Reduce wasted impressions
- Connect ads to in-store behaviour
Common geofencing marketing use cases
Geofencing can support many types of campaigns. Here are some of the most popular and effective ones:
1) Retail foot traffic campaigns
Target people near your store (or inside it) with promotions, limited-time offers, or reminders.
Example:
A coffee shop targets people within 200 meters during morning commute hours.
2) Competitor conquesting
Target people who visit competitor locations and present an alternative.
Example:
A gym targets people who visited another fitness center in the last 7 days with a “first month free” offer.
3) Events and stadium targeting
Events create dense (high-intent audiences) perfect for location-based campaigns.
Example:
A restaurant runs ads to attendees at a concert venue before and after the show.
4) Real estate and home services
Target specific neighbourhoods with messages that match local needs.
Example:
A roofing company targets areas impacted by storms with inspection offers.
5) Automotive campaigns
Car buyers often visit multiple dealerships before making a decision.
Example:
A dealership targets people who visited competing lots and retargets them with a test-drive incentive.
Geofencing vs. geotargeting: what’s the difference?
These terms get confused a lot, but they’re not the same.
Geotargeting
Targets people in a general area (city, ZIP code, radius) based on where they currently are.
Example: Target everyone in downtown Montreal.
Geofencing
Creates a precise boundary and allows you to trigger actions when people enter/exit, or to build audiences based on visits.
Example: Target people who visited a specific mall entrance or event venue.
In short:
Geotargeting = broad location targeting
Geofencing = precise location-based behaviour targeting
How accurate is geofencing?
Accuracy depends on the technology used and the environment.
In open areas, GPS can be very precise. In dense downtown areas or indoor environments, signals can be less reliable. Many platforms combine multiple signals to improve accuracy.
In practical terms, geofencing can often target locations with accuracy down to a few meters. Enough to reliably capture visits to buildings, venues, and specific points of interest.
What you need to launch a geofencing campaign
Getting started is easier than most people think. Here’s what you typically need:
1) A goal
Examples:
- Drive store visits
- Increase brand awareness locally
- Promote a limited-time offer
- Win customers from competitors
2) Target zones
Start with a focused set of zones:
- Your own locations
- A few competitor locations
- A specific neighborhood cluster
- A venue or event footprint
3) Creative assets
Ads should be short, local, and action-oriented:
- “2 minutes away — stop in today”
- “Special offer this weekend only”
- “Visit us nearby”
4) Measurement plan
Decide what success looks like:
- Visits
- Cost per visit
- Lift vs. control group
- Engagement rate
Best practices for geofencing campaigns
If you want results, avoid the most common mistakes by following these principles:
Keep zones tight and intentional
Overly large zones capture too many low-intent users. Smaller zones usually mean higher relevance.
Match your message to the moment
People near a location want simple, immediate value:
- Clear offer
- Strong CTA
- Local context
Test multiple zones and creatives
Start with a few variations and optimize quickly:
- Zone A vs. Zone B
- Offer vs. no offer
- “Visit today” vs. “Book now”
Don’t skip attribution
Geofencing works best when you can connect ad exposure to visits. It’s what makes the channel measurable and scalable.
Is geofencing privacy-safe?
Location-based advertising must follow privacy standards and regulations, which vary by region. Most reputable platforms use privacy-safe approaches such as:
- Aggregated reporting
- Consent-based data collection
- Non-personally identifiable device data
- Compliance with applicable laws and policies
If you’re running geofencing campaigns, always make sure your vendor and strategy align with current privacy requirements.
Why geofencing belongs in your marketing mix
Geofencing bridges the gap between online advertising and offline behaviour. It helps you reach people when location matters most (near your business, near competitors, or at key events) and measure real-world results.
If you’re running local campaigns and want better targeting, smarter spend, and clearer ROI, geofencing is one of the most practical tools you can add today. Need expert help? Contact us.
FAQ: Geofencing basics
- What is geofencing used for?
To target audiences based on physical location, drive foot traffic, and measure visit-based results. - Does geofencing require an app?
Not always. Some strategies use apps, but many geofencing ad campaigns run through mobile advertising networks. - How much does geofencing cost?
It varies by platform (we recommend Propulso!), targeting, and market, often based on impressions, clicks, or visits. - Is geofencing only for big brands?
No. It can be highly effective for local businesses, franchises, and multi-location brands.
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ABOUT THE AUTHOR
Olivia Taddio
Olivia is the Strategy Director at Bloom. She oversees the strategy team as well as the email marketing department.
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