Amazon DSP vs StackAdapt:Which is more popular?
In September 2026, Amazon DSP had more branded searches than StackAdapt among digital ad buying platforms worldwide. Amazon DSP had about 27,100 branded searches, while StackAdapt had 22,400. Amazon DSP made up 23.7% of all digital ad buying platform searches we track, and StackAdapt accounted for 19.6%. When we asked ChatGPT and Google AI Overviews about digital ad buying platforms, Amazon DSP and StackAdapt each appeared in three of the five answers. Amazon DSP was mentioned before StackAdapt in two out of three answers that named either.
Who do people search for more?
Amazon DSP, about 21% more searches than StackAdapt
Who does AI mention more?
Both were mentioned in 3 of 5 answers.
Who does AI recommend more?
Amazon DSP, named ahead of StackAdapt in 2 of 3 answers
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Top digital ad buying platforms in ChatGPT and Google AI Overviews
In three ChatGPT questions and two Google AI Overviews, Amazon DSP and StackAdapt were each mentioned in three out of five: in two of the three ChatGPT answers and in one of the two Google AI Overviews. Amazon DSP was listed before StackAdapt in two out of three answers that named either.
Most recommended by AI
Brands get a higher ranking if they are mentioned earlier in the answers.
Mentioned by AI
Each dot is one answer, filled in when that answer mentions the brand.
The Trade Desk5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
Display & Video 3604 of 5Named in 2 of 3 ChatGPT answersNamed in 2 of 2 Google answers- Amazon DSP3 of 5Named in 2 of 3 ChatGPT answersNamed in 1 of 2 Google answers
StackAdapt3 of 5Named in 2 of 3 ChatGPT answersNamed in 1 of 2 Google answers
Basis Technologies3 of 5Named in 1 of 3 ChatGPT answersNamed in 2 of 2 Google answers
Quantcast0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
AdRoll0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
See every answer about digital ad buying platforms
5 answers
Asked ChatGPT
“Which digital ad buying platform should I use?”
Asked ChatGPT
“What are the best digital ad buying platforms?”
Asked ChatGPT
“What's the best digital ad buying platform for programmatic campaigns?”
Searched Google, AI Overview
“programmatic buying platform”
Searched Google, AI Overview
“programmatic ad platform”
Brands are shown in the order each answer named them. The survey took place in the United States on October 20, 2026.
Is Amazon DSP or StackAdapt more popular in search?
This chart shows how often people search Google for Amazon DSP and StackAdapt by name. Each line represents a brand's share of searches for all seven digital ad buying platforms we track, month by month, from English-language searches worldwide.
Share of searches by month for Amazon DSP, StackAdapt. The figures are in the table below the chart.
View monthly share of searches table
| Month | The Trade Desk | Amazon DSP | StackAdapt | Quantcast | AdRoll | Basis Technologies | Display & Video 360 |
|---|---|---|---|---|---|---|---|
| Oct 2025 | 38.6% | 31.3% | 14.2% | 5.2% | 6.3% | 3.4% | 1.1% |
| Nov 2025 | 41.4% | 27.4% | 15.2% | 5.5% | 6.7% | 2.4% | 1.3% |
| Dec 2025 | 39.2% | 31.5% | 14.3% | 5.2% | 6.3% | 2.3% | 1.3% |
| Jan 2026 | 45.2% | 24.4% | 16.6% | 4.9% | 6% | 1.8% | 1.1% |
| Feb 2026 | 48.9% | 21.5% | 14.6% | 5.3% | 6.5% | 1.9% | 1.3% |
| Mar 2026 | 50.3% | 22% | 14.9% | 4.4% | 5.4% | 1.6% | 1.3% |
| Apr 2026 | 41.2% | 26.6% | 18.1% | 5.3% | 5.3% | 2% | 1.5% |
| May 2026 | 42.4% | 26.8% | 18.3% | 5.4% | 4.4% | 1.6% | 1.3% |
| Jun 2026 | 42.5% | 26.8% | 18.2% | 5.4% | 4.4% | 1.6% | 1.2% |
| Jul 2026 | 42.1% | 26.3% | 17.7% | 5.3% | 5.3% | 1.9% | 1.4% |
| Aug 2026 | 49.3% | 21.6% | 17.9% | 4.3% | 4.3% | 1.5% | 0.96% |
| Sep 2026 | 44.2% | 23.7% | 19.6% | 4.8% | 4.7% | 1.7% | 1.3% |
How has the Amazon DSP and StackAdapt comparison changed over the last 12 months?
3 findings
- Amazon DSP was ahead of StackAdapt in every measured month of the 12 months ending September 2026.
- Across the 12 months ending September 2026, Amazon DSP’s share of searches among digital ad buying platforms worldwide moved from 31.3% to 23.7%, and its estimated monthly branded searches moved from 49.5K to 27.1K.
- Across the 12 months ending September 2026, StackAdapt’s share of searches among digital ad buying platforms worldwide moved from 14.2% to 19.6%, and its estimated monthly branded searches held steady at 22.4K.
How did search popularity change for digital ad buying platforms worldwide in September 2026?
2 changes
In September 2026, Amazon DSP gained share of searches among digital ad buying platforms worldwide, from 21.6% to 23.7%.
In September 2026, StackAdapt gained share of searches among digital ad buying platforms worldwide, from 17.9% to 19.6%.
How are branded searches counted?
4 search terms
Brandwave collects information about searches that people make online using Amazon DSP’s and StackAdapt’s names. When viewed over time, estimated search volumes for these branded terms can be used to understand whether interest in the brands is growing, holding steady, or fading.
Amazon DSP
1 branded search term
- amazondsp
StackAdapt
3 branded search terms
- stackadapt
- stackadapt dsp
- stackadapt programmatic advertising
Other head-to-heads among digital ad buying platforms
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