---
title: "Optifast vs Weight Watchers: Which is more popular in New Zealand?"
description: "Is Optifast or Weight Watchers more popular in search? Compare estimated monthly branded-search demand and Share of Search inside the Weight loss programmes set in New Zealand. 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."
canonical: "https://gobrandwave.com/demand/nz/compare/optifast-vs-weight-watchers"
publisher: "Brandwave"
---

# Optifast vs Weight Watchers: Which is more popular in New Zealand?

Is Optifast or Weight Watchers more popular in search? Compare estimated monthly branded-search demand and Share of Search inside the Weight loss programmes set in New Zealand. 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.

## Key facts

- **Compared**: Optifast and Weight Watchers
- **Competitive set**: Weight loss programmes
- **Market**: New Zealand
- **Month measured**: Oct 2026
- **Optifast Share of Search**: 57%
- **Weight Watchers Share of Search**: 13.1%

## Is Optifast or Weight Watchers more popular in search?

- In October 2026, Optifast had more branded searches than Weight Watchers among weight loss programmes in New Zealand. Optifast had about 4,360 branded searches, while Weight Watchers had 1,000. Optifast made up 57% of all weight loss programme searches we track, and Weight Watchers accounted for 13.1%.
- Optifast was ahead of Weight Watchers in every measured month of the 12 months ending October 2026.
- Across the 12 months ending October 2026, Optifast’s share of searches among weight loss programmes in New Zealand moved from 57.2% to 57%, and its estimated monthly branded searches moved from 3.4K to 4.4K.
- Across the 12 months ending October 2026, Weight Watchers’ share of searches among weight loss programmes in New Zealand moved from 21.7% to 13.1%, and its estimated monthly branded searches moved from 1.3K to 1K.

## Top weight loss programmes in ChatGPT and Google AI Overviews

In three ChatGPT questions and two Google AI Overviews, Optifast was mentioned in one out of five: not in any of the three ChatGPT answers, but in one of the two Google AI Overviews. Weight Watchers was mentioned in one out of five: in one of the three ChatGPT answers, but not in either of the two Google AI Overviews.

Too few answers listed options to rank the brands, so only mentions are counted.

| Brand | ChatGPT answers that named it | Google AI Overviews that named it | All answers that named it |
| --- | --- | --- | --- |
| Optifast | 0 of 3 | 1 of 2 | 1 of 5 |
| Green Prescription | 3 of 3 | 0 of 2 | 3 of 5 |
| Weight Watchers | 1 of 3 | 0 of 2 | 1 of 5 |
| Jenny Craig | 0 of 3 | 0 of 2 | 0 of 5 |

## Every AI answer about weight loss programmes

- Asked ChatGPT "Which weight loss programme should I join in New Zealand?": 1. Weight Watchers, 2. Green Prescription
- Asked ChatGPT "What are the best weight loss programmes in New Zealand?": 1. Green Prescription
- Asked ChatGPT "What's the best weight loss programme in New Zealand for steady weight loss?": 1. Green Prescription
- Searched Google, AI Overview "weight loss programme nz": 1. Optifast
- Searched Google, AI Overview "weight loss plan nz": named none of the brands we track

Not named in any answer: Jenny Craig.

Brands are listed in the order each answer named them. The answers were collected in New Zealand on October 21, 2026.

## How did search popularity change for New Zealand weight loss programmes in October 2026?

- In October 2026, Optifast gained share of searches among weight loss programmes in New Zealand, from 56% to 57%.
- In October 2026, Weight Watchers lost share of searches among weight loss programmes in New Zealand, from 16.3% to 13.1%.

## How has branded search for Optifast and Weight Watchers changed in New Zealand over the last 12 months?

| Month | Optifast estimated searches | Optifast Share of Search | Optifast rank | Weight Watchers estimated searches | Weight Watchers Share of Search | Weight Watchers rank |
| --- | --- | --- | --- | --- | --- | --- |
| Nov 2025 | 3.4K | 57.2% | 1 | 1.3K | 21.7% | 2 |
| Dec 2025 | 2.3K | 45.7% | 1 | 1.6K | 32.1% | 2 |
| Jan 2026 | 3.6K | 47.2% | 1 | 2.4K | 31.8% | 2 |
| Feb 2026 | 3K | 53% | 1 | 1.3K | 22.7% | 2 |
| Mar 2026 | 2.9K | 49.4% | 1 | 1.3K | 22% | 3 |
| Apr 2026 | 2.9K | 50.7% | 1 | 1.3K | 23% | 2 |
| May 2026 | 2.8K | 46.2% | 1 | 1.6K | 26.2% | 2 |
| Jun 2026 | 3K | 50.3% | 1 | 1.3K | 21.6% | 3 |
| Jul 2026 | 3K | 55.7% | 1 | 1K | 18.5% | 3 |
| Aug 2026 | 3K | 56.1% | 1 | 1K | 18.4% | 3 |
| Sep 2026 | 3.4K | 56% | 1 | 1K | 16.3% | 3 |
| Oct 2026 | 4.4K | 57% | 1 | 1K | 13.1% | 3 |

## How are Optifast’s and Weight Watchers’ branded searches counted?

Brandwave collects information about searches that people make online using Optifast’s and Weight Watchers’ 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.

- **Optifast**: Measured on the search terms “chocolate optifast”, “optifast”, “optifast bars”, “optifast chocolate bars”, “optifast dessert”, “optifast diet”, “optifast protein plus”, “optifast soup”, “optifast vlcd” and “optifast weight loss”, summed into one figure.
- **Weight Watchers**: Measured on the search term “weight watchers”.

- [Optifast profile](/demand/nz/brands/optifast)
- [Weight Watchers profile](/demand/nz/brands/weight-watchers)
- [All weight loss programmes in New Zealand](/demand/nz/categories/nz-weight-loss-programmes): The set both shares are measured inside, 4 brands.

## Methodology

- [How is the Brand Demand Index measured?](/demand/methodology): Where the figures come from, what they compare, and how they may be reused.

## Frequently asked questions

### Is Optifast or Weight Watchers more popular in search?

In October 2026, Optifast had more branded searches than Weight Watchers among weight loss programmes in New Zealand. Optifast had about 4,360 branded searches, while Weight Watchers had 1,000. Optifast made up 57% of all weight loss programme searches we track, and Weight Watchers accounted for 13.1%.

## Cite this page

Brandwave. "Optifast vs Weight Watchers: Which is more popular in New Zealand?". https://gobrandwave.com/demand/nz/compare/optifast-vs-weight-watchers

This page is also available as HTML at https://gobrandwave.com/demand/nz/compare/optifast-vs-weight-watchers. Brandwave publishes an index of its Markdown pages at https://gobrandwave.com/llms.txt.
