Costco vs Night 'n Day:Which is more popular by branded search in New Zealand?
In August 2026, Costco had more branded searches than Night 'n Day among supermarkets in New Zealand. Costco was estimated to have 119K branded searches compared to Night 'n Day’s 24.6K, and held a 6.5% Share of Search versus Night 'n Day’s 1.3%.
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Which is more popular in search, Costco or Night 'n Day?
National grocery retail brands: the two supermarket groups plus the Woolworths-owned FreshChoice and SuperValue banners, Costco's warehouse club and the Night 'n Day convenience chain. Woolworths includes searches for Countdown before the rebrand. 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 Search by month for Costco, Night 'n Day. The figures are in the table below the chart.
View monthly share of search table
| Month | Woolworths | PAK’nSAVE | New World | Costco | FreshChoice | Four Square | Night 'n Day | SuperValue |
|---|---|---|---|---|---|---|---|---|
| Oct 2025 | 32.7% | 34.7% | 19.5% | 5.8% | 3.2% | 2.6% | 1.4% | 0.1% |
| Nov 2025 | 34.7% | 32.7% | 18.4% | 6.5% | 3% | 3.1% | 1.6% | 0.08% |
| Dec 2025 | 33.5% | 31.6% | 21.7% | 5.4% | 2.9% | 3.4% | 1.5% | 0.1% |
| Jan 2026 | 34.5% | 32.5% | 18.3% | 5.6% | 3.7% | 3.5% | 1.9% | 0.1% |
| Feb 2026 | 35.8% | 29.7% | 20.4% | 5% | 3.3% | 3.8% | 2% | 0.07% |
| Mar 2026 | 33.3% | 31.5% | 21.6% | 5.7% | 2.9% | 3.2% | 1.7% | 0.08% |
| Apr 2026 | 33.8% | 31.9% | 18% | 7% | 3.6% | 4% | 1.7% | 0.1% |
| May 2026 | 34.1% | 31% | 20.5% | 6.8% | 3.4% | 2.6% | 1.6% | 0.09% |
| Jun 2026 | 34.1% | 33.5% | 18.1% | 6.5% | 3.6% | 2.6% | 1.6% | 0.08% |
| Jul 2026 | 32.4% | 31.8% | 21% | 7.1% | 3.4% | 2.7% | 1.5% | 0.06% |
| Aug 2026 | 35.7% | 30.6% | 20.2% | 6.5% | 3.3% | 2.3% | 1.3% | 0.07% |
| Sep 2026 | — | — | — | — | — | — | — | — |
How has the Costco and Night 'n Day comparison changed over the last 12 months?
3 findings
- Costco was ahead of Night 'n Day in every measured month of the 11 months ending August 2026.
- Across the 11 months ending August 2026, Costco’s estimated Share of Search among supermarkets in New Zealand moved from 5.8% to 6.5%, and its estimated monthly branded searches moved from 110K to 119K.
- Across the 11 months ending August 2026, Night 'n Day’s estimated Share of Search among supermarkets in New Zealand moved from 1.4% to 1.3%, and its estimated monthly branded searches moved from 27.1K to 24.6K.
How did search popularity change for New Zealand supermarkets in August 2026?
1 change
In August 2026, Costco lost estimated Share of Search among supermarkets in New Zealand, from 7.1% to 6.5%.
How each brand is measured
Brandwave collects information about searches that people make online using Costco’s and Night 'n Day’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.
Costco
26 branded search terms
- costco
- costco bulk
- costco cash and carry
- costco chocolate
- costco co nz
- costco delivery
- costco foodservice
- costco groceries
- costco hot dogs
- costco hours
- costco hours today
- costco near me
- costco new zealand
- costco next
- costco nz
- costco online
- costco pizza
- costco tires
- costco tv
- costco tyres
- costco usa
- costco warehouse
- costco wellington
- costco westgate
- costco wholesale
- ess costco com au
Night 'n Day
24 branded search terms
- night n day
- night n day alexandra
- night n day church street
- night n day courtenay place
- night n day cuba
- night n day cuba street
- night n day deals
- night n day east tamaki
- night n day gore
- night n day hagley
- night n day henderson
- night n day kaikorai valley
- night n day milton
- night n day near me
- night n day new zealand
- night n day nz
- night n day octagon
- night n day shotover
- night n day store
- night n day tahuna
- night n day taranaki street
- nightnday co nz
- nightnday near me
- nightnday nz
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.