Mous vs Quad Lock:Which is more popular?
In September 2026, Quad Lock had more branded searches than Mous among phone case brands worldwide. Quad Lock had about 450,000 branded searches, while Mous had 206,000. Quad Lock made up 10% of all phone case brand searches we track, and Mous accounted for 4.6%. When we asked ChatGPT and Google AI Overviews about phone case brands, Mous appeared in three of the five answers and Quad Lock in none.
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Top phone case brands in ChatGPT and Google AI Overviews
In three ChatGPT questions and two Google AI Overviews, Mous was mentioned in three out of five: in two of the three ChatGPT answers and in one of the two Google AI Overviews. Quad Lock did not appear in any of the 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.
Spigen5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
OtterBox5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
CASETiFY3 of 5Named in 2 of 3 ChatGPT answersNamed in 1 of 2 Google answers
Mous3 of 5Named in 2 of 3 ChatGPT answersNamed in 1 of 2 Google answers
UAG3 of 5Named in 2 of 3 ChatGPT answersNamed in 1 of 2 Google answers
dbrand2 of 5Named in 2 of 3 ChatGPT answersNamed in 0 of 2 Google answers
Quad Lock0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
Case-Mate0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
See every answer about phone case brands
5 answers
Asked ChatGPT
“Which phone case brand should I buy?”
Asked ChatGPT
“What are the best phone case brands?”
Asked ChatGPT
“What's the best phone case brand for everyday protection?”
Searched Google, AI Overview
“phone case brands”
Searched Google, AI Overview
“best phone case”
Brands are shown in the order each answer named them. The survey took place in the United States on October 21, 2026.
Is Mous or Quad Lock more popular in search?
This chart shows how often people search Google for Mous and Quad Lock by name. Each line represents a brand's share of searches for all eight phone case brands we track, month by month, from English-language searches worldwide.
Share of searches by month for Quad Lock, Mous. The figures are in the table below the chart.
View monthly share of searches table
| Month | CASETiFY | dbrand | Quad Lock | Spigen | OtterBox | Mous | UAG | Case-Mate |
|---|---|---|---|---|---|---|---|---|
| Oct 2025 | 49.9% | 8.2% | 8.2% | 10% | 14.5% | 3.7% | 4% | 1.3% |
| Nov 2025 | 54.4% | 6% | 10.9% | 7.3% | 13.8% | 2.8% | 3.6% | 1.2% |
| Dec 2025 | 52.3% | 7% | 8.6% | 8.6% | 15.2% | 3.3% | 3.5% | 1.4% |
| Jan 2026 | 50.8% | 6.8% | 8.3% | 10.2% | 14.8% | 3.3% | 4.2% | 1.7% |
| Feb 2026 | 48.3% | 7.9% | 9.7% | 9.7% | 15% | 3.1% | 4.7% | 1.6% |
| Mar 2026 | 42.9% | 8.6% | 12.9% | 10.5% | 15.3% | 3.4% | 4.3% | 2.1% |
| Apr 2026 | 41.4% | 8.3% | 15.3% | 10.2% | 14.8% | 3.4% | 4.1% | 2.5% |
| May 2026 | 48.2% | 6.5% | 14.5% | 7.9% | 14% | 2.7% | 3.9% | 2.4% |
| Jun 2026 | 41.8% | 8.4% | 15.4% | 8.4% | 16% | 3.3% | 4.1% | 2.5% |
| Jul 2026 | 45.9% | 7.5% | 13.8% | 9.2% | 14.3% | 2.9% | 3.7% | 2.8% |
| Aug 2026 | 45.5% | 7.5% | 13.7% | 9.1% | 13.2% | 3.8% | 4.5% | 2.7% |
| Sep 2026 | 49.6% | 10% | 10% | 10% | 9.5% | 4.6% | 4% | 2.4% |
How has the Mous and Quad Lock comparison changed over the last 12 months?
3 findings
- Quad Lock was ahead of Mous in every measured month of the 12 months ending September 2026.
- Across the 12 months ending September 2026, Mous’ share of searches among phone case brands worldwide moved from 3.7% to 4.6%, and its estimated monthly branded searches moved from 168K to 206K.
- Across the 12 months ending September 2026, Quad Lock’s share of searches among phone case brands worldwide moved from 8.2% to 10%, and its estimated monthly branded searches moved from 368K to 450K.
How did search popularity change for phone case brands worldwide in September 2026?
3 changes
In September 2026, Mous overtook UAG to rank 6th among phone case brands worldwide, with 4.6% of the searches.
In September 2026, dbrand overtook Quad Lock and 2 others to rank 2nd among phone case brands worldwide, with 10% of the searches.
In September 2026, Quad Lock lost share of searches among phone case brands worldwide, from 13.7% to 10%.
How are branded searches counted?
3 search terms
Brandwave collects information about searches that people make online using Mous’ and Quad Lock’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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