Brandwave

Pentel vs uni-ball:Which is more popular?

In September 2026, Pentel had more branded searches than uni-ball among pen and stationery brands worldwide. Pentel had about 49,500 branded searches, while uni-ball had 14,800. Pentel made up 2.8% of all pen and stationery brand searches we track, and uni-ball accounted for 0.84%. When we asked ChatGPT and Google AI Overviews about pen and stationery brands, Pentel and uni-ball each appeared in four of the five answers. uni-ball was mentioned before Pentel in four out of five answers.

Among pen and stationery brands worldwide in September 2026

Who do people search for more?

Pentel, about 3 searches for every 1 for uni-ball

Pentel 49.5K searchesuni-ball 14.8K searches

Who does AI mention more?

Both were mentioned in 4 of 5 answers.

Pentel in 4 of 5uni-ball in 4 of 5

Who does AI recommend more?

uni-ball, named ahead of Pentel in 4 of 5 answers

uni-ball first in 4Pentel first in 1

Follow Pentel vs uni-ball and get free monthly updates on what changed

By continuing you'll get index updates and occasional product news from Brandwave. Unsubscribe any time. Privacy

Track your brand against a rival →

Top pen and stationery brands in ChatGPT and Google AI Overviews

In three ChatGPT questions and two Google AI Overviews, Pentel was mentioned in four out of five: in two of the three ChatGPT answers and in both Google AI Overviews. uni-ball was mentioned in four out of five: in all three ChatGPT answers and in one of the two Google AI Overviews. uni-ball was listed before Pentel in four out of five answers.

Most recommended by AI

Brands get a higher ranking if they are mentioned earlier in the answers.

  1. Pilot1st
  2. uni-ball2nd
  3. Zebra3rd
  4. Pentel4th
  5. Parker5th
  6. Moleskine6th
  7. Rhodia7th
  8. Muji8th
  9. Lamy9th
  10. Leuchtturm191710th
  11. +3 more

Mentioned by AI

Each dot is one answer, filled in when that answer mentions the brand.

  • Pilot5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
  • Pentel4 of 5Named in 2 of 3 ChatGPT answersNamed in 2 of 2 Google answers
  • Zebra4 of 5Named in 3 of 3 ChatGPT answersNamed in 1 of 2 Google answers
  • uni-ball4 of 5Named in 3 of 3 ChatGPT answersNamed in 1 of 2 Google answers
  • Parker3 of 5Named in 2 of 3 ChatGPT answersNamed in 1 of 2 Google answers
  • Muji3 of 5Named in 2 of 3 ChatGPT answersNamed in 1 of 2 Google answers
  • Rhodia3 of 5Named in 2 of 3 ChatGPT answersNamed in 1 of 2 Google answers
  • Moleskine2 of 5Named in 1 of 3 ChatGPT answersNamed in 1 of 2 Google answers
  • Leuchtturm19172 of 5Named in 2 of 3 ChatGPT answersNamed in 0 of 2 Google answers
  • Lamy2 of 5Named in 1 of 3 ChatGPT answersNamed in 1 of 2 Google answers

+3 more

See every answer about pen and stationery brands

5 answers

Not named in any answer:

Brands are shown in the order each answer named them. The survey took place in the United States on October 21, 2026.

Is Pentel or uni-ball more popular in search?

This chart shows how often people search Google for Pentel and uni-ball by name. Each line represents a brand's share of searches for all 13 pen and stationery brands we track, month by month, from English-language searches worldwide.

Pentel and uni-ball among pen and stationery brands worldwide, by month

Share of searches by month for Pentel, uni-ball. The figures are in the table below the chart.

View monthly share of searches table
MonthBICParkerMoleskinePilotSharpieMujiLeuchtturm1917StaedtlerLamyPentelZebraRhodiauni-ball
Oct 202529.8%12.5%12.5%8.8%10.3%4.6%5.6%5.6%3.1%3.1%1.7%1.4%0.92%
Nov 202528.4%11.9%14.6%8.5%9.8%6.2%6.5%4.4%2.9%2.9%1.6%1.3%0.88%
Dec 202525.7%13.1%16%8.6%8.8%5.7%8.8%3.9%3.2%2.6%1.4%1.2%0.79%
Jan 202627.6%11.3%13.8%8.3%9.3%5.6%9.3%5.1%2.8%3.4%1.5%1.2%0.83%
Feb 202628.2%13.8%11.3%10.2%9.3%5.1%6.2%5.1%3.4%3.4%1.5%1.2%1.2%
Mar 202629.8%12.5%10.3%8.8%12.5%5.8%4.6%4.6%3.1%3.8%1.7%1.4%1.1%
Apr 202632.3%11.1%11.1%10.3%11.1%5.2%5%4.1%2.7%3.3%1.5%1.2%1%
May 202629.1%11.7%11.7%10.8%11.7%5.4%5.2%4.3%2.9%3.5%1.6%1.3%1%
Jun 202628.9%14.5%11.9%9.9%9.7%5.5%5.3%4.4%2.9%3.6%1.3%1.3%0.87%
Jul 202626.5%16.2%10.9%11.1%8.9%5.4%6%4%4%3.3%1.5%1.2%0.98%
Aug 202628.5%13.9%11.4%10.3%9.3%6.3%6.2%4.2%3.4%2.8%1.5%1.3%0.84%
Sep 202628.5%17.1%11.4%9.8%9.4%5.2%5.1%4.2%2.8%2.8%1.5%1.3%0.84%

How has the Pentel and uni-ball comparison changed over the last 12 months?

3 findings
  • Pentel was ahead of uni-ball in every measured month of the 12 months ending September 2026.
  • Across the 12 months ending September 2026, Pentel’s share of searches among pen and stationery brands worldwide moved from 3.1% to 2.8%, and its estimated monthly branded searches held steady at 49.5K.
  • Across the 12 months ending September 2026, uni-ball’s share of searches among pen and stationery brands worldwide moved from 0.92% to 0.84%, and its estimated monthly branded searches held steady at 14.8K.

How did search popularity change for pen and stationery brands worldwide in September 2026?

0 changes

Neither Pentel nor uni-ball moved beyond provider rounding among pen and stationery brands in September 2026.

How are branded searches counted?

2 search terms

Brandwave collects information about searches that people make online using Pentel’s and uni-ball’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.

Pentel

1 branded search term

  • pentel

uni-ball

1 branded search term

  • uni ball

How the Brand Demand Index is measured

Other head-to-heads among pen and stationery brands

Creator with pink hair and a pink jacket

Put your own brand in this comparison

Brandwave tracks your branded demand next to the rival you actually watch, with your campaigns, spend and outcomes on the same timeline.