Flagsmith vs PostHog:Which is more popular by branded search?
In August 2026, PostHog had more branded searches than Flagsmith among feature flag platforms worldwide. PostHog was estimated to have 203K branded searches compared to Flagsmith’s 4.5K, and held a 41% Share of Search versus Flagsmith’s 0.91%. These are worldwide searches for English-language branded terms.
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Which is more popular in search, Flagsmith or PostHog?
Compare the feature flag platforms teams use. 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 by month for PostHog, Flagsmith. The figures are in the table below the chart.
View monthly share of search table
| Month | Optimizely | PostHog | LaunchDarkly | Flagsmith | Unleash | Split |
|---|---|---|---|---|---|---|
| Oct 2025 | 59.2% | 26.4% | 12.1% | 1.1% | 0.55% | 0.69% |
| Nov 2025 | 61.6% | 27.6% | 8.5% | 1.1% | 0.55% | 0.6% |
| Dec 2025 | 61.7% | 27.6% | 8.5% | 1.1% | 0.54% | 0.47% |
| Jan 2026 | 61.8% | 27.8% | 8.5% | 0.92% | 0.45% | 0.49% |
| Feb 2026 | 63.4% | 23.5% | 10.9% | 1.2% | 0.56% | 0.49% |
| Mar 2026 | 53% | 35.7% | 9.1% | 1.2% | 0.59% | 0.51% |
| Apr 2026 | 60.3% | 27.2% | 10.4% | 1.1% | 0.53% | 0.46% |
| May 2026 | 57.6% | 31.9% | 8.5% | 1% | 0.51% | 0.44% |
| Jun 2026 | 49.1% | 40.1% | 8.9% | 1.1% | 0.44% | 0.38% |
| Jul 2026 | 49.1% | 40.2% | 9% | 0.91% | 0.43% | 0.32% |
| Aug 2026 | 50.2% | 41% | 7.1% | 0.91% | 0.44% | 0.32% |
| Sep 2026 | — | — | — | — | — | — |
How has the Flagsmith and PostHog comparison changed over the last 12 months?
3 findings
- PostHog was ahead of Flagsmith in every measured month of the 11 months ending August 2026.
- Across the 11 months ending August 2026, Flagsmith’s estimated Share of Search among feature flag platforms worldwide moved from 1.1% to 0.91%, and its estimated monthly branded searches held steady at 4.5K.
- Across the 11 months ending August 2026, PostHog’s estimated Share of Search among feature flag platforms worldwide moved from 26.4% to 41%, and its estimated monthly branded searches moved from 111K to 203K.
How did search popularity change for feature flag platforms worldwide in August 2026?
1 change
In August 2026, PostHog gained estimated Share of Search among feature flag platforms worldwide, from 40.2% to 41%.
How each brand is measured
Brandwave collects information about searches that people make online using Flagsmith’s and PostHog’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.
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.