Seresto vs Simparica:Which is more popular?
In September 2026, Simparica had more branded searches than Seresto among flea, tick and worm treatment brands in New Zealand. Simparica had about 810 branded searches, while Seresto had 320. Simparica made up 5.5% of all flea, tick and worm treatment brand searches we track, and Seresto accounted for 2.2%. When we asked ChatGPT and Google AI Overviews about flea, tick and worm treatment brands, Simparica appeared in four of the five answers and Seresto in one. Simparica was mentioned before Seresto in every answer that named either.
Who do people search for more?
Simparica, about 3 searches for every 1 for Seresto
Who does AI mention more?
Simparica, mentioned in 4 of 5 answers, Seresto in 1
Who does AI recommend more?
Simparica, named ahead of Seresto in 4 of 4 answers
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Top flea, tick and worm treatment brands in ChatGPT and Google AI Overviews
In three ChatGPT questions and two Google AI Overviews, Simparica was mentioned in four out of five: in all three ChatGPT answers and in one of the two Google AI Overviews. Seresto was mentioned in one out of five: not in any of the three ChatGPT answers, but in one of the two Google AI Overviews. Simparica was listed before Seresto in every answer 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.
Bravecto5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
NexGard5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers- Simparica4 of 5Named in 3 of 3 ChatGPT answersNamed in 1 of 2 Google answers
Drontal3 of 5Named in 2 of 3 ChatGPT answersNamed in 1 of 2 Google answers- Advocate2 of 5Named in 1 of 3 ChatGPT answersNamed in 1 of 2 Google answers
Frontline1 of 5Named in 0 of 3 ChatGPT answersNamed in 1 of 2 Google answers
Seresto1 of 5Named in 0 of 3 ChatGPT answersNamed in 1 of 2 Google answers
Capstar0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers- Comfortis0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
See every answer about flea, tick and worm treatment brands
5 answers
Asked ChatGPT
“Which flea, tick and worm treatment brand should I buy in New Zealand?”
Asked ChatGPT
“What are the best flea, tick and worm treatment brands in New Zealand?”
Asked ChatGPT
“What's the best flea, tick and worm treatment brand in New Zealand for protecting pets from parasites?”
Searched Google, AI Overview
“tick treatment for dogs”
Searched Google, AI Overview
“worm treatment for cats”
Brands are shown in the order each answer named them. The survey took place in New Zealand on October 21, 2026.
Is Seresto or Simparica more popular in search?
This chart shows how often people search Google for Seresto and Simparica by name. Each line represents a brand's share of searches for all nine flea, tick and worm treatment brands we track, month by month, from searches in New Zealand.
Share of searches by month for Simparica, Seresto. The figures are in the table below the chart.
View monthly share of searches table
| Month | Bravecto | NexGard | Drontal | Simparica | Advocate | Frontline | Capstar | Seresto | Comfortis |
|---|---|---|---|---|---|---|---|---|---|
| Oct 2025 | 34.4% | 27.6% | 9.3% | 10.9% | 5.5% | 5% | 3.5% | 3.1% | 0.7% |
| Nov 2025 | 33.7% | 24.4% | 8.3% | 11.1% | 6.1% | 6.7% | 4.7% | 4.4% | 0.62% |
| Dec 2025 | 37.2% | 20.9% | 9.4% | 8.6% | 6% | 6.2% | 6.4% | 4.6% | 0.67% |
| Jan 2026 | 39.6% | 19.6% | 10.1% | 8.5% | 6% | 6.6% | 5.8% | 3.2% | 0.54% |
| Feb 2026 | 36.7% | 20.8% | 10.2% | 8.3% | 5.9% | 7.7% | 7% | 2.9% | 0.41% |
| Mar 2026 | 34.6% | 20% | 10.5% | 8.6% | 6.2% | 10.9% | 5.9% | 2.6% | 0.64% |
| Apr 2026 | 33.8% | 20.7% | 11.7% | 7.4% | 6% | 9.6% | 7.1% | 3.2% | 0.49% |
| May 2026 | 36.3% | 22.7% | 11.9% | 7.2% | 5.5% | 5.6% | 7.6% | 3.1% | 0.27% |
| Jun 2026 | 37.4% | 22.8% | 11.9% | 7.4% | 6.1% | 5.3% | 6.4% | 2.4% | 0.34% |
| Jul 2026 | 40% | 23.6% | 10.7% | 6.6% | 4.8% | 6.1% | 5.3% | 2.4% | 0.44% |
| Aug 2026 | 39.5% | 23.8% | 12.2% | 7.5% | 5.4% | 4.8% | 4.2% | 2.2% | 0.37% |
| Sep 2026 | 51.5% | 21.6% | 8.4% | 5.5% | 4.5% | 3.4% | 2.7% | 2.2% | 0.27% |
How has the Seresto and Simparica comparison changed over the last 12 months?
3 findings
- Simparica was ahead of Seresto in every measured month of the 12 months ending September 2026.
- Across the 12 months ending September 2026, Seresto’s share of searches among flea, tick and worm treatment brands in New Zealand moved from 3.1% to 2.2%, and its estimated monthly branded searches moved from 360 to 320.
- Across the 12 months ending September 2026, Simparica’s share of searches among flea, tick and worm treatment brands in New Zealand moved from 10.9% to 5.5%, and its estimated monthly branded searches moved from 1.3K to 810.
How did search popularity change for New Zealand flea, tick and worm treatment brands in September 2026?
2 changes
In September 2026, Simparica lost share of searches among flea, tick and worm treatment brands in New Zealand, from 7.5% to 5.5%.
Estimated monthly branded searches for Seresto in New Zealand fell 11.1% over 12 measured months, from 360 to 320 in September 2026.
How are branded searches counted?
7 search terms
Brandwave collects information about searches that people make online using Seresto’s and Simparica’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.
Other head-to-heads among flea, tick and worm treatment brands
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