---
title: "Capstar vs NexGard: Which is searched more in Australia?"
description: "Is Capstar or NexGard more popular in search? Compare estimated monthly branded-search demand and Share of Search inside the Flea and worm treatment brands set in Australia. Branded searches tell you how often people look for a brand by name or related terms. Comparing these searches across competitors helps you see how popular each brand is over time."
canonical: "https://gobrandwave.com/demand/au/compare/capstar-vs-nexgard"
publisher: "Brandwave"
---

# Capstar vs NexGard: Which is searched more in Australia?

Is Capstar or NexGard more popular in search? Compare estimated monthly branded-search demand and Share of Search inside the Flea and worm treatment brands set in Australia. Branded searches tell you how often people look for a brand by name or related terms. Comparing these searches across competitors helps you see how popular each brand is over time.

## Key facts

- **Compared**: Capstar and NexGard
- **Competitive set**: Flea and worm treatment brands
- **Market**: Australia
- **Month measured**: Sep 2026
- **Capstar Share of Search**: 1%
- **NexGard Share of Search**: 74.2%

## Is Capstar or NexGard more popular in search?

- In September 2026, NexGard had more branded searches than Capstar among flea and worm treatment brands in Australia. NexGard had about 43,000 branded searches, while Capstar had 590. NexGard made up 74.2% of all flea and worm treatment brand searches we track, and Capstar accounted for 1%.
- NexGard was ahead of Capstar in every measured month of the 12 months ending September 2026.
- Across the 12 months ending September 2026, Capstar’s share of searches among flea and worm treatment brands in Australia held steady at 1%, and its estimated monthly branded searches held steady at 590.
- Across the 12 months ending September 2026, NexGard’s share of searches among flea and worm treatment brands in Australia moved from 73.1% to 74.2%, and its estimated monthly branded searches moved from 41.2K to 43K.

## Top flea and worm treatment brands in ChatGPT and Google AI Overviews

In three ChatGPT questions and two Google AI Overviews, NexGard was mentioned in four out of five: in all three ChatGPT answers and in one of the two Google AI Overviews. Capstar was mentioned in two out of five: in one of the three ChatGPT answers and in one of the two Google AI Overviews. NexGard was listed before Capstar in every answer.

Brands get a higher AI rank if they are mentioned earlier in the answers that list options.

| Brand | AI rank | ChatGPT answers that named it | Google AI Overviews that named it | All answers that named it |
| --- | --- | --- | --- | --- |
| NexGard | 1st | 3 of 3 | 1 of 2 | 4 of 5 |
| Bravecto | 2nd | 2 of 3 | 0 of 2 | 2 of 5 |
| Drontal | 3rd | 1 of 3 | 0 of 2 | 1 of 5 |
| Capstar | 4th | 1 of 3 | 1 of 2 | 2 of 5 |
| Simparica | 5th | 0 of 3 | 2 of 2 | 2 of 5 |
| Seresto | 6th | 0 of 3 | 1 of 2 | 1 of 5 |
| Frontline | Not ranked | 0 of 3 | 0 of 2 | 0 of 5 |

## Every AI answer about flea and worm treatment brands

- Asked ChatGPT "Which flea and tick treatment should I use for my dog in Australia?": 1. NexGard, 2. Bravecto
- Asked ChatGPT "What are the best flea treatments for cats?": 1. Bravecto, 2. NexGard, 3. Capstar
- Asked ChatGPT "What's the best worming tablet for dogs?": 1. Drontal, 2. NexGard
- Searched Google, AI Overview "flea treatment for dogs": 1. NexGard, 2. Simparica, 3. Capstar, 4. Seresto
- Searched Google, AI Overview "flea treatment": 1. Simparica

Not named in any answer: Frontline.

Brands are listed in the order each answer named them. The answers were collected in Australia on October 26, 2026.

## How did search popularity change for Australia flea and worm treatment brands in September 2026?

- In September 2026, NexGard lost share of searches among flea and worm treatment brands in Australia, from 74.8% to 74.2%.

## Month by month

| Month | Capstar estimated searches | Capstar Share of Search | Capstar rank | NexGard estimated searches | NexGard Share of Search | NexGard rank |
| --- | --- | --- | --- | --- | --- | --- |
| Oct 2025 | 590 | 1% | 6 | 41.2K | 73.1% | 1 |
| Nov 2025 | 590 | 1.1% | 6 | 41.2K | 73.4% | 1 |
| Dec 2025 | 590 | 1.3% | 6 | 33.7K | 73% | 1 |
| Jan 2026 | 720 | 1.5% | 6 | 35.2K | 73.2% | 1 |
| Feb 2026 | 720 | 1.6% | 6 | 33.7K | 74.6% | 1 |
| Mar 2026 | 880 | 1.8% | 6 | 35.2K | 72% | 1 |
| Apr 2026 | 720 | 1.5% | 6 | 33.7K | 71.9% | 1 |
| May 2026 | 590 | 1.3% | 6 | 33.7K | 74.2% | 1 |
| Jun 2026 | 590 | 1.4% | 6 | 28.8K | 70.6% | 1 |
| Jul 2026 | 480 | 1.1% | 6 | 33.7K | 75.6% | 1 |
| Aug 2026 | 480 | 1% | 6 | 35.2K | 74.8% | 1 |
| Sep 2026 | 590 | 1% | 6 | 43K | 74.2% | 1 |

## How each brand is measured

Brandwave collects information about searches that people make online using Capstar’s and NexGard’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.

- **Capstar**: Measured on the search term “capstar”.
- **NexGard**: Measured on the search terms “nexgard” and “nexgard spectra”, summed into one figure.

- [Capstar profile](/demand/au/brands/capstar)
- [NexGard profile](/demand/au/brands/nexgard)
- [All flea and worm treatment brands in Australia](/demand/au/categories/au-pet-parasite-treatment-brands): The set both shares are measured inside, 7 brands.

## Methodology

- [How is the Brand Demand Index measured?](/demand/methodology): Where the figures come from, what they compare, and how they may be reused.

## Frequently asked questions

### Is Capstar or NexGard more popular in search?

In September 2026, NexGard had more branded searches than Capstar among flea and worm treatment brands in Australia. NexGard had about 43,000 branded searches, while Capstar had 590. NexGard made up 74.2% of all flea and worm treatment brand searches we track, and Capstar accounted for 1%.

## Cite this page

Brandwave. "Capstar vs NexGard: Which is searched more in Australia?". https://gobrandwave.com/demand/au/compare/capstar-vs-nexgard

This page is also available as HTML at https://gobrandwave.com/demand/au/compare/capstar-vs-nexgard. Brandwave publishes an index of its Markdown pages at https://gobrandwave.com/llms.txt.
