---
title: "Ko-fi vs Substack: Which is searched more?"
description: "Is Ko-fi or Substack more popular in search? Compare estimated monthly branded-search demand and Share of Search inside the Creator membership platforms set worldwide. 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/compare/ko-fi-vs-substack"
publisher: "Brandwave"
---

# Ko-fi vs Substack: Which is searched more?

Is Ko-fi or Substack more popular in search? Compare estimated monthly branded-search demand and Share of Search inside the Creator membership platforms set worldwide. 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**: Ko-fi and Substack
- **Competitive set**: Creator membership platforms
- **Market**: Global
- **Month measured**: Sep 2026
- **Ko-fi Share of Search**: 8.4%
- **Substack Share of Search**: 35.3%

## Is Ko-fi or Substack more popular in search?

- In September 2026, Substack had more branded searches than Ko-fi among creator membership platforms worldwide. Substack had about 2.3 million branded searches, while Ko-fi had 550,000. Substack made up 35.3% of all creator membership platform searches we track, and Ko-fi accounted for 8.4%.
- Substack was ahead of Ko-fi in every measured month of the 12 months ending September 2026.
- Across the 12 months ending September 2026, Ko-fi’s share of searches among creator membership platforms worldwide moved from 8.3% to 8.4%, and its estimated monthly branded searches moved from 450K to 550K.
- Across the 12 months ending September 2026, Substack’s share of searches among creator membership platforms worldwide moved from 23.2% to 35.3%, and its estimated monthly branded searches moved from 1.3M to 2.3M.

## Top creator membership platforms in ChatGPT and Google AI Overviews

In three ChatGPT questions and two Google AI Overviews, Ko-fi and Substack were each mentioned in three out of five: in all three ChatGPT answers, but not in either of the two Google AI Overviews. Substack was listed before Ko-fi in two out of three answers that named either.

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 |
| --- | --- | --- | --- | --- |
| Patreon | 1st | 3 of 3 | 1 of 2 | 4 of 5 |
| Circle | 2nd | 2 of 3 | 1 of 2 | 3 of 5 |
| Ko-fi | 3rd | 3 of 3 | 0 of 2 | 3 of 5 |
| Substack | 4th | 3 of 3 | 0 of 2 | 3 of 5 |
| Mighty Networks | 5th | 1 of 3 | 1 of 2 | 2 of 5 |
| Fourthwall | 6th | 2 of 3 | 0 of 2 | 2 of 5 |
| Memberful | 7th | 2 of 3 | 1 of 2 | 3 of 5 |
| Kajabi | 8th | 0 of 3 | 2 of 2 | 2 of 5 |
| Buy Me a Coffee | Not ranked | 0 of 3 | 0 of 2 | 0 of 5 |

## Every AI answer about creator membership platforms

- Asked ChatGPT "Which creator membership platform should I use?": 1. Patreon, 2. Substack, 3. Ko-fi, 4. Circle, 5. Memberful
- Asked ChatGPT "What are the best creator membership platforms?": 1. Patreon, 2. Circle, 3. Substack, 4. Ko-fi, 5. Fourthwall, 6. Memberful
- Asked ChatGPT "What's the best creator membership platform for paid fan memberships?": 1. Patreon, 2. Ko-fi, 3. Fourthwall, 4. Substack, 5. Mighty Networks
- Searched Google, AI Overview "creator membership platform": 1. Patreon, 2. Mighty Networks, 3. Memberful, 4. Kajabi
- Searched Google, AI Overview "best membership platform": 1. Circle, 2. Kajabi

Not named in any answer: Buy Me a Coffee.

Brands are listed in the order each answer named them. The answers were collected in the United States on October 20, 2026.

## How did search popularity change for creator membership platforms worldwide in September 2026?

- In September 2026, Substack gained share of searches among creator membership platforms worldwide, from 31.5% to 35.3%.
- In September 2026, Ko-fi gained share of searches among creator membership platforms worldwide, from 7.5% to 8.4%.

## Month by month

| Month | Ko-fi estimated searches | Ko-fi Share of Search | Ko-fi rank | Substack estimated searches | Substack Share of Search | Substack rank |
| --- | --- | --- | --- | --- | --- | --- |
| Oct 2025 | 450K | 8.3% | 3 | 1.3M | 23.2% | 2 |
| Nov 2025 | 450K | 8.3% | 3 | 1.3M | 23.3% | 2 |
| Dec 2025 | 450K | 7.9% | 3 | 1.5M | 27% | 2 |
| Jan 2026 | 550K | 7.9% | 3 | 1.9M | 27.1% | 2 |
| Feb 2026 | 450K | 7.8% | 3 | 1.5M | 26.9% | 2 |
| Mar 2026 | 550K | 7.7% | 3 | 1.9M | 26.4% | 2 |
| Apr 2026 | 550K | 9% | 3 | 1.9M | 30.5% | 2 |
| May 2026 | 550K | 8% | 3 | 1.9M | 27.1% | 2 |
| Jun 2026 | 550K | 8% | 3 | 1.9M | 27.8% | 2 |
| Jul 2026 | 550K | 9% | 3 | 1.9M | 30.9% | 2 |
| Aug 2026 | 550K | 7.5% | 3 | 2.3M | 31.5% | 2 |
| Sep 2026 | 550K | 8.4% | 3 | 2.3M | 35.3% | 2 |

## How each brand is measured

Brandwave collects information about searches that people make online using Ko-fi’s and Substack’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.

- **Ko-fi**: Measured on the search term “kofi”.
- **Substack**: Measured on the search terms “Substack”, “substack app”, “substack articles”, “substack live”, “substack newsletters”, “substack notes” and “substack podcast”, summed into one figure.

- [Ko-fi profile](/demand/global-en/brands/ko-fi)
- [Substack profile](/demand/global-en/brands/substack)
- [All creator membership platforms worldwide](/demand/global-en/categories/creator-membership-platforms): The set both shares are measured inside, 9 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 Ko-fi or Substack more popular in search?

In September 2026, Substack had more branded searches than Ko-fi among creator membership platforms worldwide. Substack had about 2.3 million branded searches, while Ko-fi had 550,000. Substack made up 35.3% of all creator membership platform searches we track, and Ko-fi accounted for 8.4%.

## Cite this page

Brandwave. "Ko-fi vs Substack: Which is searched more?". https://gobrandwave.com/demand/global-en/compare/ko-fi-vs-substack

This page is also available as HTML at https://gobrandwave.com/demand/global-en/compare/ko-fi-vs-substack. Brandwave publishes an index of its Markdown pages at https://gobrandwave.com/llms.txt.
