Sinch vs Slack:Which is searched more?
In September 2026, Slack had more branded searches than Sinch among business messaging platforms worldwide. Slack had about 4.1 million branded searches, while Sinch had 49,700. Slack made up 32.5% of all business messaging platform searches we track, and Sinch accounted for 0.39%. These are worldwide searches for English-language branded terms.
Follow Sinch vs Slack and get free monthly updates on what changed
By continuing you'll get index updates and occasional product news from Brandwave. Unsubscribe any time. Privacy
Is Sinch or Slack more popular in search?
Compare the platforms businesses send messages with. 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 searches by month for Slack, Sinch. The figures are in the table below the chart.
View monthly share of searches table
| Month | Microsoft Teams | Slack | Google Chat | Twilio | Zendesk | Vonage | Infobip | Sinch | Textmagic | MessageBird | Intercom |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Oct 2025 | 31.9% | 31.9% | 26.1% | 5.3% | 2.9% | 0.72% | 0.47% | 0.32% | 0.21% | 0.17% | 0% |
| Nov 2025 | 36.4% | 29.8% | 24.4% | 4.9% | 2.7% | 0.67% | 0.44% | 0.36% | 0.22% | 0.2% | <0.01% |
| Dec 2025 | 28% | 34.2% | 28% | 4.6% | 3.1% | 0.77% | 0.41% | 0.42% | 0.26% | 0.23% | <0.01% |
| Jan 2026 | 31.6% | 31.6% | 25.9% | 5.2% | 3.5% | 0.87% | 0.47% | 0.38% | 0.21% | 0.21% | <0.01% |
| Feb 2026 | 31.9% | 31.9% | 26.1% | 5.2% | 2.9% | 0.71% | 0.47% | 0.39% | 0.22% | 0.21% | <0.01% |
| Mar 2026 | 32% | 32% | 26.2% | 5.3% | 2.9% | 0.72% | 0.39% | 0.32% | 0.18% | 0.17% | <0.01% |
| Apr 2026 | 30% | 30% | 30% | 6% | 2.2% | 0.67% | 0.44% | 0.36% | 0.2% | 0.16% | <0.01% |
| May 2026 | 25.8% | 31.6% | 31.6% | 6.3% | 2.8% | 0.71% | 0.47% | 0.38% | 0.17% | 0.17% | <0.01% |
| Jun 2026 | 27.4% | 33.5% | 27.4% | 6.7% | 3% | 0.75% | 0.49% | 0.41% | 0.19% | 0.15% | <0.01% |
| Jul 2026 | 27.5% | 33.7% | 27.5% | 6.8% | 2.5% | 0.75% | 0.5% | 0.41% | 0.19% | 0.15% | 0% |
| Aug 2026 | 27.5% | 33.7% | 27.5% | 6.8% | 2.5% | 0.76% | 0.5% | 0.41% | 0.19% | 0.12% | <0.01% |
| Sep 2026 | 32.5% | 32.5% | 26.6% | 4.4% | 2.4% | 0.6% | 0.48% | 0.39% | 0.15% | 0.08% | <0.01% |
How has the Sinch and Slack comparison changed over the last 12 months?
3 findings
- Slack was ahead of Sinch in every measured month of the 12 months ending September 2026.
- Across the 12 months ending September 2026, Sinch’s share of searches among business messaging platforms worldwide moved from 0.32% to 0.39%, and its estimated monthly branded searches moved from 40.7K to 49.7K.
- Across the 12 months ending September 2026, Slack’s share of searches among business messaging platforms worldwide moved from 31.9% to 32.5%, and its estimated monthly branded searches held steady at 4.1M.
How did search popularity change for business messaging platforms worldwide in September 2026?
3 changes

In September 2026, Microsoft Teams overtook Slack and Google Chat to become the leader among business messaging platforms worldwide, with 32.5% of the searches.

In September 2026, Slack lost share of searches among business messaging platforms worldwide, from 33.7% to 32.5%.

Estimated monthly branded searches for Sinch worldwide rose 22.1% over 12 measured months, from 40.7K to 49.7K in September 2026.
How are branded searches counted?
3 search terms
Brandwave collects information about searches that people make online using Sinch’s and Slack’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 business messaging platforms

Microsoft Teams vs Slack: compare search popularity
Microsoft Teams vs Google Chat: compare search popularity
Microsoft Teams vs Twilio: compare search popularity
Microsoft Teams vs Zendesk: compare search popularity
Slack vs Google Chat: compare search popularity
Slack vs Twilio: compare search popularity

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.