---
title: "Plagiarism checkers: Which brands are most popular in search?"
description: "Compare the tools that check work for copied text. Share of Search among Turnitin, Scribbr, Copyleaks, PlagScan and Unicheck, the plagiarism checkers 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/plagiarism-checkers"
publisher: "Brandwave"
---

# Plagiarism checkers: Which brands are most popular in search?

Compare the tools that check work for copied text. Share of Search among Turnitin, Scribbr, Copyleaks, PlagScan and Unicheck, the plagiarism checkers 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**: Plagiarism checkers
- **Market**: Global
- **Brands compared**: 5
- **Month measured**: Aug 2026
- **Highest Share of Search**: Turnitin, 71.9%

## Which brand is most popular in search among plagiarism checkers worldwide?

- In August 2026, Turnitin was the most searched among plagiarism checkers worldwide, with an estimated 1.5M branded searches and 71.9% estimated Share of Search within this set.
- Scribbr is in 2nd place, 54.3 percentage points behind at 17.6% Share of Search.
- Across the 11 months ending August 2026, Turnitin’s estimated Share of Search among plagiarism checkers worldwide increased from 67.1% to 71.9%.
- Across the 11 months ending August 2026, Scribbr’s estimated Share of Search among plagiarism checkers worldwide decreased from 24.5% to 17.6%.
- Across the 11 months ending August 2026, Copyleaks’ estimated Share of Search among plagiarism checkers worldwide increased from 7.4% to 9.6%.
- Across the 11 months ending August 2026, Turnitin’s estimated Share of Search among plagiarism checkers worldwide peaked at 75.7% in June 2026 and was lowest at 65.8% in February 2026.
- Across the 11 months ending August 2026, Scribbr’s estimated Share of Search among plagiarism checkers worldwide peaked at 24.6% in January 2026 and was lowest at 14.9% in July 2026.
- Across the 11 months ending August 2026, Copyleaks’ estimated Share of Search among plagiarism checkers worldwide peaked at 10% in July 2026 and was lowest at 6.4% in December 2025.
- Across the 11 months ending August 2026, PlagScan and Unicheck held steady: their estimated Share of Search among plagiarism checkers worldwide each moved less than 0.5 percentage points.

## Compare search popularity between leading brands

- [Turnitin vs Scribbr: compare search popularity](/demand/global-en/compare/scribbr-vs-turnitin): 71.9% against 17.6% Share of Search.
- [Turnitin vs Copyleaks: compare search popularity](/demand/global-en/compare/copyleaks-vs-turnitin): 71.9% against 9.6% Share of Search.
- [Scribbr vs Copyleaks: compare search popularity](/demand/global-en/compare/copyleaks-vs-scribbr): 17.6% against 9.6% Share of Search.

## How did search popularity change for plagiarism checkers worldwide in August 2026?

- In August 2026, Scribbr gained estimated Share of Search among plagiarism checkers worldwide, from 14.9% to 17.6%.
- In August 2026, Turnitin lost estimated Share of Search among plagiarism checkers worldwide, from 74.3% to 71.9%.
- Estimated monthly branded searches for Unicheck worldwide fell 75.8% over 11 measured months, from 9.9K to 2.4K in August 2026.
- Estimated monthly branded searches for PlagScan worldwide fell 55.3% over 11 measured months, from 33.1K to 14.8K in August 2026.
- Estimated monthly branded searches for Copyleaks worldwide fell 33.2% over 11 measured months, from 301K to 201K in August 2026.

## Share of Search ranking

| Rank | Brand | Share of Search | Estimated monthly branded searches | Change vs prior month | Owned by |
| --- | --- | --- | --- | --- | --- |
| 1 | Turnitin | 71.9% | 1.5M | 0.0% | Turnitin |
| 2 | Scribbr | 17.6% | 368K | +22.3% | Scribbr |
| 3 | Copyleaks | 9.6% | 201K | 0.0% | Copyleaks |
| 4 | PlagScan | 0.71% | 14.8K | 0.0% | PlagScan |
| 5 | Unicheck | 0.12% | 2.4K | -17.2% | Unicheck |

## Historical estimated branded-search demand

| Month | Brand | Estimated monthly branded searches | Share of Search | Rank |
| --- | --- | --- | --- | --- |
| Oct 2025 | Turnitin | 2.7M | 67.1% | 1 |
| Oct 2025 | Scribbr | 1M | 24.5% | 2 |
| Oct 2025 | Copyleaks | 301K | 7.4% | 3 |
| Oct 2025 | PlagScan | 33.1K | 0.81% | 4 |
| Oct 2025 | Unicheck | 9.9K | 0.24% | 5 |
| Nov 2025 | Turnitin | 3.4M | 74.1% | 1 |
| Nov 2025 | Scribbr | 823K | 18.2% | 2 |
| Nov 2025 | Copyleaks | 301K | 6.7% | 3 |
| Nov 2025 | PlagScan | 33.1K | 0.73% | 4 |
| Nov 2025 | Unicheck | 14.8K | 0.33% | 5 |
| Dec 2025 | Turnitin | 2.2M | 71.1% | 1 |
| Dec 2025 | Scribbr | 673K | 21.4% | 2 |
| Dec 2025 | Copyleaks | 201K | 6.4% | 3 |
| Dec 2025 | PlagScan | 27.1K | 0.86% | 4 |
| Dec 2025 | Unicheck | 9.9K | 0.31% | 5 |
| Jan 2026 | Turnitin | 1.8M | 66.8% | 1 |
| Jan 2026 | Scribbr | 673K | 24.6% | 2 |
| Jan 2026 | Copyleaks | 201K | 7.3% | 3 |
| Jan 2026 | PlagScan | 27.1K | 0.99% | 4 |
| Jan 2026 | Unicheck | 6.6K | 0.24% | 5 |
| Feb 2026 | Turnitin | 1.8M | 65.8% | 1 |
| Feb 2026 | Scribbr | 673K | 24.2% | 2 |
| Feb 2026 | Copyleaks | 246K | 8.8% | 3 |
| Feb 2026 | PlagScan | 27.1K | 0.97% | 4 |
| Feb 2026 | Unicheck | 6.6K | 0.24% | 5 |
| Mar 2026 | Turnitin | 2.2M | 66% | 1 |
| Mar 2026 | Scribbr | 823K | 24.2% | 2 |
| Mar 2026 | Copyleaks | 301K | 8.9% | 3 |
| Mar 2026 | PlagScan | 22.2K | 0.65% | 4 |
| Mar 2026 | Unicheck | 8.1K | 0.24% | 5 |
| Apr 2026 | Turnitin | 2.7M | 71.8% | 1 |
| Apr 2026 | Scribbr | 673K | 17.6% | 2 |
| Apr 2026 | Copyleaks | 368K | 9.6% | 3 |
| Apr 2026 | PlagScan | 22.2K | 0.58% | 4 |
| Apr 2026 | Unicheck | 12.1K | 0.32% | 5 |
| May 2026 | Turnitin | 2.7M | 73.1% | 1 |
| May 2026 | Scribbr | 673K | 18% | 2 |
| May 2026 | Copyleaks | 301K | 8% | 3 |
| May 2026 | PlagScan | 22.2K | 0.59% | 4 |
| May 2026 | Unicheck | 12.1K | 0.32% | 5 |
| Jun 2026 | Turnitin | 2.2M | 75.7% | 1 |
| Jun 2026 | Scribbr | 450K | 15.2% | 2 |
| Jun 2026 | Copyleaks | 246K | 8.3% | 3 |
| Jun 2026 | PlagScan | 18.1K | 0.61% | 4 |
| Jun 2026 | Unicheck | 5.4K | 0.18% | 5 |
| Jul 2026 | Turnitin | 1.5M | 74.3% | 1 |
| Jul 2026 | Scribbr | 301K | 14.9% | 2 |
| Jul 2026 | Copyleaks | 201K | 10% | 3 |
| Jul 2026 | PlagScan | 14.8K | 0.73% | 4 |
| Jul 2026 | Unicheck | 2.9K | 0.14% | 5 |
| Aug 2026 | Turnitin | 1.5M | 71.9% | 1 |
| Aug 2026 | Scribbr | 368K | 17.6% | 2 |
| Aug 2026 | Copyleaks | 201K | 9.6% | 3 |
| Aug 2026 | PlagScan | 14.8K | 0.71% | 4 |
| Aug 2026 | Unicheck | 2.4K | 0.12% | 5 |
| Sep 2026 | Copyleaks | — | — | — |
| Sep 2026 | PlagScan | — | — | — |
| Sep 2026 | Scribbr | — | — | — |
| Sep 2026 | Turnitin | — | — | — |
| Sep 2026 | Unicheck | — | — | — |

## What is being compared

- **Copyleaks**: Measured on the search term “copyleaks”.
- **PlagScan**: Measured on the search term “plagscan”.
- **Scribbr**: Measured on the search term “scribbr”.
- **Turnitin**: Measured on the search term “turnitin”.
- **Unicheck**: Measured on the search term “unicheck”.

- [Copyleaks](/demand/global-en/brands/copyleaks)
- [PlagScan](/demand/global-en/brands/plagscan)
- [Scribbr](/demand/global-en/brands/scribbr)
- [Turnitin](/demand/global-en/brands/turnitin)
- [Unicheck](/demand/global-en/brands/unicheck)

## 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 plagiarism checkers worldwide?

In August 2026, Turnitin was the most searched among plagiarism checkers worldwide, with an estimated 1.5M branded searches and 71.9% estimated Share of Search within this set. These are worldwide searches for English-language branded terms.

## Cite this page

Brandwave. "Plagiarism checkers: Which brands are most popular in search?". https://gobrandwave.com/demand/global-en/categories/plagiarism-checkers

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