Daylio vs Diarium:Which is more popular?
In September 2026, Daylio had more branded searches than Diarium among journaling apps worldwide. Daylio had about 12,100 branded searches, while Diarium had 9,900. Daylio made up 3.8% of all journaling app searches we track, and Diarium accounted for 3.1%. When we asked ChatGPT and Google AI Overviews about journaling apps, Daylio and Diarium each appeared in three of the five answers. Daylio was mentioned before Diarium in three out of five answers.
Who do people search for more?
Daylio, about 22% more searches than Diarium
Who does AI mention more?
Both were mentioned in 3 of 5 answers.
Who does AI recommend more?
Daylio, named ahead of Diarium in 3 of 5 answers
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Top journaling apps in ChatGPT and Google AI Overviews
In three ChatGPT questions and two Google AI Overviews, Daylio was mentioned in three out of five: in all three ChatGPT answers, but not in either of the two Google AI Overviews. Diarium was mentioned in three out of five: in one of the three ChatGPT answers and in both Google AI Overviews. Daylio was listed before Diarium in three out of five answers.
Most recommended by AI
Brands get a higher ranking if they are mentioned earlier in the answers.
Mentioned by AI
Each dot is one answer, filled in when that answer mentions the brand.
Day One5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
Apple Journal5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
Journey4 of 5Named in 2 of 3 ChatGPT answersNamed in 2 of 2 Google answers- Daylio3 of 5Named in 3 of 3 ChatGPT answersNamed in 0 of 2 Google answers
Diarium3 of 5Named in 1 of 3 ChatGPT answersNamed in 2 of 2 Google answers
Reflectly1 of 5Named in 1 of 3 ChatGPT answersNamed in 0 of 2 Google answers
Penzu0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
See every answer about journaling apps
5 answers
Asked ChatGPT
“Which journaling app should I use?”
Asked ChatGPT
“What are the best journaling apps?”
Asked ChatGPT
“What's the best journaling app for daily reflection?”
Searched Google, AI Overview
“journaling apps”
Searched Google, AI Overview
“journal app”
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 Daylio or Diarium more popular in search?
This chart shows how often people search Google for Daylio and Diarium by name. Each line represents a brand's share of searches for all seven journaling apps we track, month by month, from English-language searches worldwide.
Share of searches by month for Daylio, Diarium. The figures are in the table below the chart.
View monthly share of searches table
| Month | Day One | Penzu | Daylio | Diarium | Reflectly | Apple Journal | Journey |
|---|---|---|---|---|---|---|---|
| Oct 2025 | 62.5% | 17.7% | 7.9% | 5.3% | 2.9% | 3.5% | 0.06% |
| Nov 2025 | 70.6% | 16.7% | 5% | 3.3% | 2.2% | 2.2% | 0.04% |
| Dec 2025 | 67% | 15.5% | 6.9% | 4.6% | 2.1% | 3.8% | 0.03% |
| Jan 2026 | 63% | 17.6% | 7.9% | 5.3% | 1.9% | 4.3% | 0.05% |
| Feb 2026 | 65.5% | 18.6% | 6.8% | 4.6% | 2% | 2.5% | 0.05% |
| Mar 2026 | 73% | 14% | 5.1% | 4.2% | 1.9% | 1.9% | 0.03% |
| Apr 2026 | 68.8% | 15.9% | 5.8% | 4.8% | 2.6% | 2.1% | 0.03% |
| May 2026 | 85.6% | 7.6% | 2.8% | 1.9% | 1.2% | 1% | 0.01% |
| Jun 2026 | 70% | 13.5% | 7.4% | 3.3% | 4% | 1.8% | 0.03% |
| Jul 2026 | 70.8% | 13.6% | 6.1% | 4.1% | 3.3% | 2.2% | 0.03% |
| Aug 2026 | 70.9% | 13.7% | 7.5% | 3.3% | 2.7% | 1.8% | 0.02% |
| Sep 2026 | 79.2% | 10.4% | 3.8% | 3.1% | 2.1% | 1.4% | 0.02% |
How has the Daylio and Diarium comparison changed over the last 12 months?
3 findings
- Daylio was ahead of Diarium in every measured month of the 12 months ending September 2026.
- Across the 12 months ending September 2026, Daylio’s share of searches among journaling apps worldwide moved from 7.9% to 3.8%, and its estimated monthly branded searches moved from 14.8K to 12.1K.
- Across the 12 months ending September 2026, Diarium’s share of searches among journaling apps worldwide moved from 5.3% to 3.1%, and its estimated monthly branded searches held steady at 9.9K.
How did search popularity change for journaling apps worldwide in September 2026?
1 change
In September 2026, Daylio lost share of searches among journaling apps worldwide, from 7.5% to 3.8%.
How are branded searches counted?
2 search terms
Brandwave collects information about searches that people make online using Daylio’s and Diarium’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.
Other head-to-heads among journaling apps
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