One NZ (formerly Vodafone New Zealand) is NZ’s second-largest mobile network. Rebranded from Vodafone to One NZ in 2023, they’ve invested heavily in 5G infrastructure and are now competitive with Spark on urban coverage and pricing. Their strongest advantage is 5G network density in major cities.
Network: Second-largest in NZ; strong 5G urban coverage
5G: Extensive in Auckland, Wellington, Christchurch
Price position: Mid-tier — similar to Spark, often slightly cheaper
Best for: Urban 5G users; One NZ broadband bundle customers
One NZ Mobile Plans (2026)
| Plan | Cost | Data | Notes |
|---|---|---|---|
| $20/month | ~$20 | 2–3GB | Basic SIM-only |
| $30/month | ~$30 | 5–8GB | Unlimited NZ calls/texts |
| $50/month | ~$50 | 30–40GB | 5G included |
| $60/month | ~$60 | 60GB | 5G + roaming options |
| $70+/month | $70+ | 80–100GB | Premium plans |
Check one.nz for current plan details and promotions.
One NZ’s Strengths
1. Leading 5G deployment in NZ One NZ has deployed 5G aggressively. In Auckland, Wellington, and Christchurch, One NZ’s 5G coverage is among the most extensive of any NZ provider, with speeds of 300–800+ Mbps on capable devices.
2. Competitive urban pricing One NZ’s pricing is typically similar to or slightly below Spark for comparable data allowances in the mid-to-upper tier.
3. Mobile + broadband bundle Combining One NZ mobile and broadband offers a discount — useful for customers who want to consolidate bills.
4. Good customer service One NZ has improved customer service quality post-rebrand. Retail stores, phone support, and an improving online experience.
5. International roaming options One NZ offers competitive international roaming packages, particularly with their daily roaming add-ons.
One NZ’s Weaknesses
1. Less rural coverage than Spark In remote rural areas, Spark still has more reach. For farming households, rural commuters, and frequent travellers through remote areas, check One NZ’s specific coverage map carefully.
2. Rebranding may have affected customer confidence Some customers remain uncertain about the One NZ rebrand from Vodafone. Service quality has improved, but the legacy Vodafone reputation (mixed customer satisfaction) still affects perception.
3. More expensive than 2degrees for data value For comparable data allowances, 2degrees often offers more data per dollar than One NZ. Budget shoppers should compare.
Who Is One NZ Mobile Best For?
- Urban households in Auckland, Wellington, or Christchurch wanting the best 5G speeds
- Existing One NZ broadband customers wanting a mobile bundle
- International travellers who use roaming add-ons
- Households that have moved from Vodafone and want to stay with the same network under the new brand
One NZ vs Spark
The two most similar networks in terms of urban coverage:
| Feature | One NZ | Spark |
|---|---|---|
| 5G in major cities | Excellent | Excellent |
| Rural coverage | Good | Best |
| Price (SIM-only $50 tier) | ~$50 (30–40GB) | ~$55 (30GB) |
| Budget alternative MVNO | None comparable | Skinny Mobile |
| Broadband bundle | Yes | Yes |
Verdict
One NZ is a solid major network option with excellent 5G in urban areas and competitive pricing. It’s the natural choice for existing One NZ broadband customers and for urban users who prioritise 5G speed. For rural coverage, Spark is still superior. For budget value, 2degrees offers more data per dollar.
Rating: 3.5/5 — Strong 5G urban coverage; best for urban users and One NZ bundle customers.