Brandwave

Journaling apps:Which brands are most popular in search?

In August 2026, Penzu was the most searched among journaling apps worldwide, with an estimated 33.1K branded searches and 60.8% estimated Share of Search within this set. These are worldwide searches for English-language branded terms.

Share of Search, August 2026
  1. Penzu60.8%
  2. Diarium14.9%
  3. Day One12.1%
  4. Reflectly12.1%
  5. Journey0.11%

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Share of SearchLeaderboard

Compare the apps people keep a journal in. 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.

Share of Search among journaling apps worldwide, by month

Share of Search by month for Penzu, Diarium, Day One, Reflectly. The figures are in the table below the chart.

View monthly share of search table
MonthPenzuDiariumDay OneReflectlyJourney
Oct 202560.1%18%12%9.8%0.22%
Nov 202566.7%13.3%10.9%8.9%0.16%
Dec 202558.5%17.5%14.3%9.5%0.12%
Jan 202660.4%18.1%14.8%6.6%0.18%
Feb 202664.3%15.7%12.8%7%0.19%
Mar 202659.6%17.8%14.6%7.9%0.14%
Apr 202658.5%17.5%14.3%9.5%0.14%
May 202662.2%15.2%12.4%10.1%0.09%
Jun 202657.3%14%11.4%17.1%0.14%
Jul 202655.9%16.7%13.6%13.6%0.12%
Aug 202660.8%14.9%12.1%12.1%0.11%
Sep 2026—————

This month’s ranking, August 2026

  1. 1.Penzu

    60.8%

    Held 1st. 33.1K estimated branded searches, +22.1% vs prior month. Share +4.9 points.

  2. 2.Diarium

    14.9%

    Held 2nd. 8.1K estimated branded searches, 0% vs prior month. Share -1.8 points.

  3. 3.Day One

    12.1%

    Held 3rd. 6.6K estimated branded searches, 0% vs prior month. Share -1.5 points.

  4. 4.Reflectly

    12.1%

    Held 4th. 6.6K estimated branded searches, 0% vs prior month. Share -1.5 points.

  5. 5.Journey

    0.11%

    Held 5th. 60 estimated branded searches, 0% vs prior month. Share 0 points.

Compare search popularity between leading brands

Which brand is most popular in search among journaling apps worldwide?

In August 2026, Penzu was the most searched among journaling apps worldwide, with an estimated 33.1K branded searches and 60.8% estimated Share of Search within this set. Diarium is in 2nd place, 45.9 percentage points behind at 14.9% Share of Search.

Global journaling apps, last 12 months ending September 2026
BrandShare of SearchPeakLowRank
Penzu60.1% → 60.8%66.7%Nov 202555.9%Jul 20261st
Diarium18% → 14.9%18.1%Jan 202613.3%Nov 20252nd
Day One12% → 12.1%14.8%Jan 202610.9%Nov 20253rd
Reflectly9.8% → 12.1%17.1%Jun 20266.6%Jan 20264th
Journey0.22% → 0.11%0.22%Oct 20250.09%May 20265th

Each finding as a sentence

  • Across the 11 months ending August 2026, Penzu’s estimated Share of Search among journaling apps worldwide increased from 60.1% to 60.8%.
  • Across the 11 months ending August 2026, Diarium’s estimated Share of Search among journaling apps worldwide decreased from 18% to 14.9%.
  • Across the 11 months ending August 2026, Reflectly’s estimated Share of Search among journaling apps worldwide increased from 9.8% to 12.1%.
  • Across the 11 months ending August 2026, Penzu’s estimated Share of Search among journaling apps worldwide peaked at 66.7% in November 2025 and was lowest at 55.9% in July 2026.
  • Across the 11 months ending August 2026, Diarium’s estimated Share of Search among journaling apps worldwide peaked at 18.1% in January 2026 and was lowest at 13.3% in November 2025.
  • Across the 11 months ending August 2026, Day One’s estimated Share of Search among journaling apps worldwide peaked at 14.8% in January 2026 and was lowest at 10.9% in November 2025.
  • Across the 11 months ending August 2026, Reflectly’s estimated Share of Search among journaling apps worldwide peaked at 17.1% in June 2026 and was lowest at 6.6% in January 2026.
  • Across the 11 months ending August 2026, Day One and Journey held steady: their estimated Share of Search among journaling apps worldwide each moved less than 0.5 percentage points.

How did search popularity change for journaling apps worldwide in August 2026?

  1. In August 2026, Penzu gained estimated Share of Search among journaling apps worldwide, from 55.9% to 60.8%.

  2. In August 2026, Diarium lost estimated Share of Search among journaling apps worldwide, from 16.7% to 14.9%.

  3. In August 2026, Day One lost estimated Share of Search among journaling apps worldwide, from 13.6% to 12.1%.

  4. In August 2026, Reflectly lost estimated Share of Search among journaling apps worldwide, from 13.6% to 12.1%.

  5. Estimated monthly branded searches for Journey worldwide fell 50% over 11 measured months, from 120 to 60 in August 2026.

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