---
title: "AI SEO tools: Which are searched most?"
description: "Compare the tools that write and optimise content with AI. Share of Search among Frase, Clearscope, MarketMuse, WriterZen and Surfer, the AI SEO tools Brandwave compares worldwide, using the same methodology, market, and reporting period. 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/global-en/categories/ai-seo-tools"
publisher: "Brandwave"
---

# AI SEO tools: Which are searched most?

Compare the tools that write and optimise content with AI. Share of Search among Frase, Clearscope, MarketMuse, WriterZen and Surfer, the AI SEO tools Brandwave compares worldwide, using the same methodology, market, and reporting period. 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

- **Competitive set**: AI SEO tools
- **Market**: Global
- **Brands compared**: 5
- **Month measured**: Aug 2026
- **Highest Share of Search**: Frase, 95.8%

## Which brand is most popular in search among AI SEO tools worldwide?

- In August 2026, Frase was the most searched among AI SEO tools worldwide, with an estimated 136K branded searches and 95.8% estimated Share of Search within this set.
- Clearscope is in 2nd place, 93.8 percentage points behind at 2% Share of Search.
- Across the 11 months ending August 2026, Frase’s estimated Share of Search among AI SEO tools worldwide increased from 92.7% to 95.8%.
- Across the 11 months ending August 2026, Clearscope’s estimated Share of Search among AI SEO tools worldwide decreased from 3.4% to 2%.
- Across the 11 months ending August 2026, MarketMuse’s estimated Share of Search among AI SEO tools worldwide decreased from 2.8% to 1.4%.
- Across the 11 months ending August 2026, Frase’s estimated Share of Search among AI SEO tools worldwide peaked at 95.8% in August 2026 and was lowest at 91.6% in January 2026.
- Across the 11 months ending August 2026, Clearscope’s estimated Share of Search among AI SEO tools worldwide peaked at 3.4% in October 2025 and was lowest at 1.9% in May 2026.
- Across the 11 months ending August 2026, MarketMuse’s estimated Share of Search among AI SEO tools worldwide peaked at 4% in January 2026 and was lowest at 1.4% in August 2026.
- Across the 11 months ending August 2026, WriterZen and Surfer held steady: their estimated Share of Search among AI SEO tools worldwide each moved less than 0.5 percentage points.

## How did search popularity change for AI SEO tools worldwide in August 2026?

- Estimated monthly branded searches for MarketMuse worldwide fell 61.5% over 11 measured months, from 5.1K to 1.9K in August 2026.
- Estimated monthly branded searches for Clearscope worldwide fell 53.8% over 11 measured months, from 6.1K to 2.8K in August 2026.
- Estimated monthly branded searches for WriterZen worldwide fell 37.5% over 11 measured months, from 1.6K to 1K in August 2026.
- Estimated monthly branded searches for Surfer worldwide fell 35.7% over 11 measured months, from 280 to 180 in August 2026.
- Estimated monthly branded searches for Frase worldwide fell 18.4% over 11 measured months, from 167K to 136K in August 2026.

## Share of Search ranking

| Rank | Brand | Share of Search | Estimated monthly branded searches | Change vs prior month | Owned by |
| --- | --- | --- | --- | --- | --- |
| 1 | Frase | 95.8% | 136K | -0.1% | Frase |
| 2 | Clearscope | 2% | 2.8K | +1.4% | Clearscope |
| 3 | MarketMuse | 1.4% | 1.9K | -2.5% | MarketMuse |
| 4 | WriterZen | 0.71% | 1K | 0.0% | WriterZen |
| 5 | Surfer | 0.13% | 180 | 0.0% | Surfer |

## Historical estimated branded-search demand

| Month | Brand | Estimated monthly branded searches | Share of Search | Rank |
| --- | --- | --- | --- | --- |
| Oct 2025 | Frase | 167K | 92.7% | 1 |
| Oct 2025 | Clearscope | 6.1K | 3.4% | 2 |
| Oct 2025 | MarketMuse | 5.1K | 2.8% | 3 |
| Oct 2025 | WriterZen | 1.6K | 0.89% | 4 |
| Oct 2025 | Surfer | 280 | 0.16% | 5 |
| Nov 2025 | Frase | 167K | 93.7% | 1 |
| Nov 2025 | Clearscope | 4.8K | 2.7% | 2 |
| Nov 2025 | MarketMuse | 4.2K | 2.4% | 3 |
| Nov 2025 | WriterZen | 1.9K | 1.1% | 4 |
| Nov 2025 | Surfer | 220 | 0.12% | 5 |
| Dec 2025 | Frase | 166K | 94.2% | 1 |
| Dec 2025 | MarketMuse | 4.1K | 2.3% | 2 |
| Dec 2025 | Clearscope | 4.1K | 2.3% | 3 |
| Dec 2025 | WriterZen | 1.9K | 1.1% | 4 |
| Dec 2025 | Surfer | 180 | 0.1% | 5 |
| Jan 2026 | Frase | 136K | 91.6% | 1 |
| Jan 2026 | MarketMuse | 5.9K | 4% | 2 |
| Jan 2026 | Clearscope | 4.8K | 3.2% | 3 |
| Jan 2026 | WriterZen | 1.6K | 1.1% | 4 |
| Jan 2026 | Surfer | 270 | 0.18% | 5 |
| Feb 2026 | Frase | 136K | 93.9% | 1 |
| Feb 2026 | Clearscope | 4K | 2.8% | 2 |
| Feb 2026 | MarketMuse | 3.4K | 2.3% | 3 |
| Feb 2026 | WriterZen | 1.3K | 0.9% | 4 |
| Feb 2026 | Surfer | 180 | 0.12% | 5 |
| Mar 2026 | Frase | 166K | 94% | 1 |
| Mar 2026 | Clearscope | 4.9K | 2.8% | 2 |
| Mar 2026 | MarketMuse | 4.1K | 2.3% | 3 |
| Mar 2026 | WriterZen | 1.3K | 0.74% | 4 |
| Mar 2026 | Surfer | 270 | 0.15% | 5 |
| Apr 2026 | Frase | 166K | 94.6% | 1 |
| Apr 2026 | Clearscope | 4.1K | 2.3% | 2 |
| Apr 2026 | MarketMuse | 3.4K | 1.9% | 3 |
| Apr 2026 | WriterZen | 1.6K | 0.91% | 4 |
| Apr 2026 | Surfer | 270 | 0.15% | 5 |
| May 2026 | Frase | 166K | 95.6% | 1 |
| May 2026 | Clearscope | 3.4K | 1.9% | 2 |
| May 2026 | MarketMuse | 2.8K | 1.6% | 3 |
| May 2026 | WriterZen | 1.3K | 0.75% | 4 |
| May 2026 | Surfer | 150 | 0.09% | 5 |
| Jun 2026 | Frase | 136K | 95.2% | 1 |
| Jun 2026 | Clearscope | 3.3K | 2.3% | 2 |
| Jun 2026 | MarketMuse | 2.2K | 1.5% | 3 |
| Jun 2026 | WriterZen | 1.3K | 0.91% | 4 |
| Jun 2026 | Surfer | 120 | 0.08% | 5 |
| Jul 2026 | Frase | 136K | 95.8% | 1 |
| Jul 2026 | Clearscope | 2.8K | 2% | 2 |
| Jul 2026 | MarketMuse | 2K | 1.4% | 3 |
| Jul 2026 | WriterZen | 1K | 0.7% | 4 |
| Jul 2026 | Surfer | 180 | 0.13% | 5 |
| Aug 2026 | Frase | 136K | 95.8% | 1 |
| Aug 2026 | Clearscope | 2.8K | 2% | 2 |
| Aug 2026 | MarketMuse | 1.9K | 1.4% | 3 |
| Aug 2026 | WriterZen | 1K | 0.71% | 4 |
| Aug 2026 | Surfer | 180 | 0.13% | 5 |
| Sep 2026 | Clearscope | — | — | — |
| Sep 2026 | Frase | — | — | — |
| Sep 2026 | MarketMuse | — | — | — |
| Sep 2026 | Surfer | — | — | — |
| Sep 2026 | WriterZen | — | — | — |

## What is being compared

- **Clearscope**: Measured on the search terms “clearscope”, “clearscope ai”, “clearscope alternatives”, “clearscope reviews” and “clearscope.io”, summed into one figure.
- **Frase**: Measured on the search terms “frase”, “frase content optimization” and “frase.io”, summed into one figure.
- **MarketMuse**: Measured on the search terms “marketmuse”, “marketmuse ai”, “marketmuse alternatives”, “marketmuse pricing”, “marketmuse reviews”, “marketmuse seo” and “marketmuse.com”, summed into one figure.
- **Surfer**: Measured on the search terms “surfer content optimization” and “surferseo.com”, summed into one figure.
- **WriterZen**: Measured on the search term “writerzen”.

- [Clearscope](/demand/global-en/brands/clearscope)
- [Frase](/demand/global-en/brands/frase)
- [MarketMuse](/demand/global-en/brands/marketmuse)
- [Surfer](/demand/global-en/brands/surfer)
- [WriterZen](/demand/global-en/brands/writerzen)

## Methodology

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

## Frequently asked questions

### Which brand is most popular in search among AI SEO tools worldwide?

In August 2026, Frase was the most searched among AI SEO tools worldwide, with an estimated 136K branded searches and 95.8% estimated Share of Search within this set. These are worldwide searches for English-language branded terms.

## Cite this page

Brandwave. "AI SEO tools: Which are searched most?". https://gobrandwave.com/demand/global-en/categories/ai-seo-tools

This page is also available as HTML at https://gobrandwave.com/demand/global-en/categories/ai-seo-tools. Brandwave publishes an index of its Markdown pages at https://gobrandwave.com/llms.txt.