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Haven't seen the medium go on offer very often.
Voucher must be purchased before 11:59PM NZST on 10/05/2026. Voucher expires at 11:59PM NZST on 30/06/2026.
Activate your plan by 30/06/2026!
Kogan Mobile’s MEDIUM 40% OFF Monthly Offer is valid for new and existing customers. Personal use only. New customer plans are set to auto-renew by default. Existing customers will need to purchase a discounted plan. After the first month, plans will automatically recharge at the discounted price and will continue to automatically renew on your renewal date at the discounted price for up to two years, provided that you remain on the plan and your plan continues to auto-renew on each subsequent renewal date. If you cancel auto-renew or your plan does not auto-renew (for example, due to insufficient funds) or you change plans, the discount will no longer apply. Offer available on Kogan Mobile prepay MEDIUM monthly plans purchased before 11:59PM NZST 10/05/2026 unless sold out prior or extended. Not available for commercial or resale purposes. Vouchers expire at 11:59PM NZST on 30/06/2026. Initial activation or recharge must be made before the voucher expiry date. Vouchers cannot be used in conjunction with any other promotional offers. Vouchers are not transferable for cash. A Kogan Mobile SIM card must be ordered from https://www.kogan.com/nz/ or https://www.dicksmith.co.nz/ before a Prepay Plan can be activated. SIM delivery takes up to 14 working days, after which you can activate.
The yearly large plan is better value when it's discounted by 40% since you typically get 15Gb for $16.50/m. But this plan isn't bad if you're fine with 4Gb data. It also has the advantage that you get it for 2 years at that price, so you don't need to play discount roulette every year.