How to Set Up a DOOH A/B Test: Practical Guide

What you'll learn in 30 seconds: A DOOH A/B test is NOT "two creatives running on two different screens at the same time." It's same conditions, one controlled variable. Set up in 20 minutes if you follow three rules.

DOOH A/B testing gets done wrong all the time: "I'll book creative A at Schwedenplatz and creative B in Mariahilf — let's see which works." That's not an A/B test. That's a guess wrapped in data. Here's how to test cleanly without a stats degree.

What DOOH A/B testing actually means

An A/B test = two variants, same conditions, one controlled variable. If you run A at one location and B at another, you've changed TWO variables — creative AND location. If A wins, you don't know why.

In DOOH you can sensibly test one of three things:

Creative variants — A vs B on the same screen, separate weeks, same weekday mix.

Location variants — same creative on two screens in parallel, same period.

Time-of-day variants — currently testable only via multiple short bookings.

The 6-step walkthrough

How many impressions you really need

Clear conclusions: min 5,000 impressions per variant
At 2-3% expected conversion: min 100 actions per variant
20-30 actions per variant = noise vs signal indistinguishable

Practically: €20-30 per variant gives you a tendency. €60-100 per variant over 5-7 days for a hard decision. Plan honestly.

Most common A/B test mistakes

Stopping early because "it's obvious" — early differences are usually noise
Multiple variables at once — you learn nothing
Ignoring weekday effects — Wed-Thu vs Fri-Sat isn't clean
No predefined success threshold — pick one upfront ("B wins if conversion is 15%+ higher")

Vienna inner-city screen, two weeks:

Week 1 Mon-Fri: "10% off everything" — code DOOH10
Week 2 Mon-Fri: "Free espresso with breakfast" — code DOOHFREE

Same screen, same share, same weekday structure. DOOHFREE redeemed 3x more than DOOH10 at comparable impressions. Clear signal → scale creative B.

Run the DOOH calculator, then book both variants cleanly in the booking flow.

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A/B testing in DOOH isn't complicated — it's disciplined variable control. One hypothesis, one variable, clean tracking, enough data. Two weeks of this teaches you more than six months of guessing.

Start your test →

How to Set Up a DOOH A/B Test: A Practical Guide

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What DOOH A/B testing actually means

The 6-step walkthrough

How many impressions you really need

Most common A/B test mistakes

Example: café tests two promo mechanics

Get started