CASETiFY vs ESR:Which is more popular?
In September 2026, CASETiFY had more branded searches than ESR among phone accessory brands worldwide. CASETiFY had about 2.2 million branded searches, while ESR had 674,000. CASETiFY made up 35.2% of all phone accessory brand searches we track, and ESR accounted for 10.6%. When we asked ChatGPT and Google AI Overviews about phone accessory brands, CASETiFY and ESR each appeared in two of the five answers. ESR was mentioned before CASETiFY in two out of three answers that named either.
Who do people search for more?
CASETiFY, about 3 searches for every 1 for ESR
Who does AI mention more?
Both were mentioned in 2 of 5 answers.
Who does AI recommend more?
ESR, named ahead of CASETiFY in 2 of 3 answers
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Top phone accessory brands in ChatGPT and Google AI Overviews
In three ChatGPT questions and two Google AI Overviews, CASETiFY was mentioned in two out of five: in one of the three ChatGPT answers and in one of the two Google AI Overviews. ESR was mentioned in two out of five: in two of the three ChatGPT answers, but not in either of the two Google AI Overviews. ESR was listed before CASETiFY 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.
Mentioned by AI
Each dot is one answer, filled in when that answer mentions the brand.
Anker4 of 5Named in 3 of 3 ChatGPT answersNamed in 1 of 2 Google answers
Spigen4 of 5Named in 3 of 3 ChatGPT answersNamed in 1 of 2 Google answers
Belkin4 of 5Named in 3 of 3 ChatGPT answersNamed in 1 of 2 Google answers
OtterBox3 of 5Named in 2 of 3 ChatGPT answersNamed in 1 of 2 Google answers- CASETiFY2 of 5Named in 1 of 3 ChatGPT answersNamed in 1 of 2 Google answers
UGREEN2 of 5Named in 1 of 3 ChatGPT answersNamed in 1 of 2 Google answers- ESR2 of 5Named in 2 of 3 ChatGPT answersNamed in 0 of 2 Google answers
Mous2 of 5Named in 1 of 3 ChatGPT answersNamed in 1 of 2 Google answers
mophie0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
See every answer about phone accessory brands
5 answers
Asked ChatGPT
“Which phone accessory brand should I buy?”
Asked ChatGPT
“What are the best phone accessory brands?”
Asked ChatGPT
“What's the best phone accessory brand for daily phone use?”
Searched Google, AI Overview
“phone case brand”
Searched Google, AI Overview
“power bank brand”
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 21, 2026.
Is CASETiFY or ESR more popular in search?
This chart shows how often people search Google for CASETiFY and ESR by name. Each line represents a brand's share of searches for all nine phone accessory brands we track, month by month, from English-language searches worldwide.
Share of searches by month for CASETiFY, ESR. The figures are in the table below the chart.
View monthly share of searches table
| Month | CASETiFY | Anker | UGREEN | ESR | Spigen | OtterBox | Belkin | Mous | mophie |
|---|---|---|---|---|---|---|---|---|---|
| Oct 2025 | 36.6% | 16.3% | 10.1% | 11% | 7.4% | 10.6% | 4.4% | 2.7% | 0.75% |
| Nov 2025 | 41.7% | 15.2% | 9.5% | 10.3% | 5.6% | 10.6% | 4.2% | 2.2% | 0.68% |
| Dec 2025 | 37.1% | 16.5% | 10.5% | 11.1% | 6.1% | 10.8% | 4.7% | 2.4% | 0.84% |
| Jan 2026 | 33.4% | 18.3% | 11.5% | 12.3% | 6.7% | 9.7% | 5% | 2.1% | 0.91% |
| Feb 2026 | 32.4% | 17.8% | 11.2% | 14.5% | 6.5% | 10.1% | 4.8% | 2.1% | 0.8% |
| Mar 2026 | 29.2% | 19.5% | 12.3% | 13.1% | 7.2% | 10.4% | 5.1% | 2.3% | 0.87% |
| Apr 2026 | 26.4% | 21.6% | 13.7% | 14.5% | 6.5% | 9.4% | 4.9% | 2.2% | 0.87% |
| May 2026 | 30.7% | 20.5% | 13% | 13.8% | 5% | 8.9% | 5.5% | 1.7% | 0.83% |
| Jun 2026 | 26.2% | 21.5% | 13.8% | 14.5% | 5.3% | 10% | 5.7% | 2.1% | 0.87% |
| Jul 2026 | 30.1% | 20.1% | 13.2% | 13.5% | 6% | 9.4% | 4.9% | 1.9% | 0.8% |
| Aug 2026 | 29.7% | 19.8% | 13.5% | 13.3% | 6% | 8.6% | 5.8% | 2.4% | 0.79% |
| Sep 2026 | 35.2% | 19.2% | 12.7% | 10.6% | 7.1% | 6.7% | 4.5% | 3.2% | 0.71% |
How has the CASETiFY and ESR comparison changed over the last 12 months?
3 findings
- CASETiFY was ahead of ESR in every measured month of the 12 months ending September 2026.
- Across the 12 months ending September 2026, CASETiFY’s share of searches among phone accessory brands worldwide moved from 36.6% to 35.2%, and its estimated monthly branded searches held steady at 2.2M.
- Across the 12 months ending September 2026, ESR’s share of searches among phone accessory brands worldwide moved from 11% to 10.6%, and its estimated monthly branded searches held steady at 674K.
How did search popularity change for phone accessory brands worldwide in September 2026?
2 changes
In September 2026, CASETiFY gained share of searches among phone accessory brands worldwide, from 29.7% to 35.2%.
In September 2026, ESR lost share of searches among phone accessory brands worldwide, from 13.3% to 10.6%.
How are branded searches counted?
3 search terms
Brandwave collects information about searches that people make online using CASETiFY’s and ESR’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 phone accessory brands
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