Celtx vs Trelby:Which is more popular?
In September 2026, Celtx had more branded searches than Trelby among screenwriting software worldwide. Celtx had about 90,500 branded searches, while Trelby had 6,600. Celtx made up 28.1% of all screenwriting software searches we track, and Trelby accounted for 2%. When we asked ChatGPT and Google AI Overviews about screenwriting software, Celtx appeared in all five answers and Trelby in two. Celtx was mentioned before Trelby in every answer.
Who do people search for more?
Celtx, about 14 searches for every 1 for Trelby
Who does AI mention more?
Celtx, mentioned in every answer we collected
Who does AI recommend more?
Celtx, named ahead of Trelby in every answer
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Top screenwriting software in ChatGPT and Google AI Overviews
In three ChatGPT questions and two Google AI Overviews, Celtx appeared in all five answers. Trelby was mentioned in two out of five: not in any of the three ChatGPT answers, but in both Google AI Overviews. Celtx was listed before Trelby in every answer.
Most recommended by AI
Brands get a higher ranking if they are mentioned earlier in the answers.
Final Draft1st
Fade In2nd
WriterDuet3rd
Arc Studio4th- Movie Magic Screenwriter5th
- Celtx6th
Highland7th
Trelby8th- Free alternatives9th
Mentioned by AI
Each dot is one answer, filled in when that answer mentions the brand.
- Celtx5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
- WriterDuet5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
- Final Draft5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
- Arc Studio5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
- Fade In5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
- Highland3 of 5Named in 1 of 3 ChatGPT answersNamed in 2 of 2 Google answers
- Free alternatives2 of 5Named in 0 of 3 ChatGPT answersNamed in 2 of 2 Google answers
- Trelby2 of 5Named in 0 of 3 ChatGPT answersNamed in 2 of 2 Google answers
- Movie Magic Screenwriter2 of 5Named in 0 of 3 ChatGPT answersNamed in 2 of 2 Google answers
See every answer about screenwriting software
5 answers
Asked ChatGPT
“Which screenwriting software should I use?”
Asked ChatGPT
“What are the best screenwriting software options?”
Asked ChatGPT
“What's the best screenwriting software for script writing?”
Searched Google, AI Overview
“screenwriting software”
Searched Google, AI Overview
“screenplay software”
Brands are shown in the order each answer named them. The survey took place in the United States on October 21, 2026.
Is Celtx or Trelby more popular in search?
This chart shows how often people search Google for Celtx and Trelby by name. Each line represents a brand's share of searches for all nine screenwriting software we track, month by month, from English-language searches worldwide.
Share of searches by month for Celtx, Trelby. The figures are in the table below the chart.
View monthly share of searches table
| Month | Celtx | WriterDuet | Final Draft | Arc Studio | Free alternatives | Fade In | Trelby | Highland | Movie Magic Screenwriter |
|---|---|---|---|---|---|---|---|---|---|
| Oct 2025 | 38.6% | 21.1% | 21.1% | 7.7% | 0.29% | 7.7% | 2.8% | 0.29% | 0.29% |
| Nov 2025 | 36.8% | 20.2% | 24.7% | 7.4% | 0.24% | 7.4% | 2.7% | 0.24% | 0.35% |
| Dec 2025 | 33.8% | 22.6% | 22.6% | 10.1% | 0.49% | 6.8% | 3% | 0.33% | 0.37% |
| Jan 2026 | 34.3% | 23.1% | 23.1% | 8.4% | 0.5% | 6.9% | 3.1% | 0.31% | 0.31% |
| Feb 2026 | 36% | 24.2% | 19.8% | 8.9% | 0.52% | 7.3% | 2.7% | 0.33% | 0.29% |
| Mar 2026 | 38.9% | 26.1% | 17.4% | 7.8% | 0.55% | 6.4% | 2.3% | 0.29% | 0.25% |
| Apr 2026 | 36% | 24.2% | 19.8% | 8.9% | 0.78% | 7.3% | 2.6% | 0.29% | 0.24% |
| May 2026 | 37.5% | 25.2% | 16.9% | 9.2% | 0.82% | 7.6% | 2.2% | 0.34% | 0.25% |
| Jun 2026 | 31.3% | 25.6% | 20.9% | 9.4% | 2.3% | 7.6% | 2.3% | 0.37% | 0.3% |
| Jul 2026 | 30.1% | 24.6% | 20.1% | 9% | 6% | 7.4% | 2.2% | 0.29% | 0.24% |
| Aug 2026 | 27.4% | 22.4% | 18.3% | 10% | 12.2% | 6.7% | 2.4% | 0.27% | 0.33% |
| Sep 2026 | 28.1% | 28.1% | 18.8% | 8.4% | 8.4% | 5.6% | 2% | 0.31% | 0.22% |
How has the Celtx and Trelby comparison changed over the last 12 months?
3 findings
- Celtx was ahead of Trelby in every measured month of the 12 months ending September 2026.
- Across the 12 months ending September 2026, Celtx’s share of searches among screenwriting software worldwide moved from 38.6% to 28.1%, and its estimated monthly branded searches moved from 135K to 90.5K.
- Across the 12 months ending September 2026, Trelby’s share of searches among screenwriting software worldwide moved from 2.8% to 2%, and its estimated monthly branded searches moved from 9.9K to 6.6K.
How did search popularity change for screenwriting software worldwide in September 2026?
2 changes
In September 2026, Celtx gained share of searches among screenwriting software worldwide, from 27.4% to 28.1%.
Estimated monthly branded searches for Trelby worldwide fell 33.3% over 12 measured months, from 9.9K to 6.6K in September 2026.
How are branded searches counted?
2 search terms
Brandwave collects information about searches that people make online using Celtx’s and Trelby’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.
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