Brandwave

Buffer vs Castmagic:Which is more popular?

In September 2026, Castmagic had more branded searches than Buffer among content repurposing platforms worldwide. Castmagic had about 3,600 branded searches, while Buffer had 2,450. Castmagic made up 0.3% of all content repurposing platform searches we track, and Buffer accounted for 0.2%. When we asked ChatGPT and Google AI Overviews about content repurposing platforms, Buffer appeared in three of the five answers and Castmagic in two. Castmagic was mentioned before Buffer in two out of three answers that named either.

Among content repurposing platforms worldwide in September 2026

Who do people search for more?

Castmagic, about 47% more searches than Buffer

Castmagic 3.6K searchesBuffer 2.5K searches

Who does AI mention more?

Buffer, mentioned in 3 of 5 answers, Castmagic in 2

Buffer in 3 of 5Castmagic in 2 of 5

Who does AI recommend more?

Castmagic, named ahead of Buffer in 2 of 3 answers

Castmagic first in 2Buffer first in 1

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Top content repurposing platforms in ChatGPT and Google AI Overviews

In three ChatGPT questions and two Google AI Overviews, Buffer was mentioned in three out of five: in all three ChatGPT answers, but not in either of the two Google AI Overviews. Castmagic was mentioned in two out of five: in two of the three ChatGPT answers, but not in either of the two Google AI Overviews. Castmagic was listed before Buffer in two out of three answers that named either.

Most recommended by AI

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

  1. Opus Clip1st
  2. Descript2nd
  3. Repurpose.io3rd
  4. Buffer4th
  5. Castmagic5th
  6. Quuu–
  7. Lately–
  8. Missinglettr–

Mentioned by AI

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

  • Opus Clip5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
  • Descript5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
  • Repurpose.io5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
  • Buffer3 of 5Named in 3 of 3 ChatGPT answersNamed in 0 of 2 Google answers
  • Castmagic2 of 5Named in 2 of 3 ChatGPT answersNamed in 0 of 2 Google answers
  • Quuu0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
  • Lately0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
  • Missinglettr0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers

See every answer about content repurposing platforms

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 20, 2026.

Is Buffer or Castmagic more popular in search?

This chart shows how often people search Google for Buffer and Castmagic by name. Each line represents a brand's share of searches for all eight content repurposing platforms we track, month by month, from English-language searches worldwide.

Buffer and Castmagic among content repurposing platforms worldwide, by month

Share of searches by month for Castmagic, Buffer. The figures are in the table below the chart.

View monthly share of searches table
MonthOpus ClipDescriptRepurpose.ioCastmagicBufferQuuuLatelyMissinglettr
Oct 202568.3%30%0.68%0.54%0.25%0.08%0.08%0.04%
Nov 202568.2%30%1%0.44%0.21%0.07%0.07%0.05%
Dec 202571.4%26.6%1.1%0.48%0.24%0.09%0.08%0.04%
Jan 202672.1%25.9%1.1%0.46%0.24%0.09%0.11%0.03%
Feb 202668.3%30%0.82%0.44%0.25%0.08%0.11%0.03%
Mar 202668.8%29%1.2%0.52%0.33%0.08%0.08%0.05%
Apr 202669%29.1%0.97%0.43%0.34%0.07%0.07%0.04%
May 202671.9%25.8%1.3%0.46%0.32%0.09%0.08%0.04%
Jun 202672%25.9%1.3%0.38%0.27%0.11%0.05%0.03%
Jul 202675.2%22.9%1.1%0.34%0.21%0.1%0.04%0.03%
Aug 202671.9%25.8%1.6%0.31%0.25%0.09%0.04%0.03%
Sep 202672.8%25.1%1.5%0.3%0.2%0.08%0.04%0.02%

How has the Buffer and Castmagic comparison changed over the last 12 months?

3 findings

How did search popularity change for content repurposing platforms worldwide in September 2026?

2 changes
  1. Estimated monthly branded searches for Castmagic worldwide fell 45.5% over 12 measured months, from 6.6K to 3.6K in September 2026.

  2. Estimated monthly branded searches for Buffer worldwide fell 19.4% over 12 measured months, from 3K to 2.5K in September 2026.

How are branded searches counted?

9 search terms

Brandwave collects information about searches that people make online using Buffer’s and Castmagic’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.

Buffer

8 branded search terms

  • buffer app for instagram
  • buffer app instagram
  • buffer app twitter
  • buffer for instagram
  • buffer for twitter
  • buffer linkedin
  • buffer publish
  • buffer social

Castmagic

1 branded search term

  • castmagic

How the Brand Demand Index is measured

Other head-to-heads among content repurposing platforms

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