Prepay Plan Terms and Conditions
*Unlimited data: Maximum data speeds, Fair use and Mobile terms apply. Unlimited voice calls and TXTs to standard NZ and Aus numbers, landlines and mobiles, placed while in New Zealand only (e.g. no short codes or MMS/PXT). Personal mobile phone use only.
All Mighty Mobile plans are Prepay. The full amount of each plan must be paid upon activation, renewal or purchase of a voucher. A Mighty Mobile SIM card must be purchased before a Prepay plan can be activated. SIM delivery can take up to 14 working days, after which you can activate your Plan. 100 MMS are included to standard New Zealand mobile numbers. Calls, SMS & MMS to non-Australian international numbers, special or premium numbers (eg. 0900, 018) data calls and usage, video calling and roaming services are not included. Additional add-on packs (when available) must be purchased separately in order to use premium services like roaming and international calls.
Upon activation, all plans are set to Auto Renew by default. This means your Plan will automatically renew 24 hours before its expiry and you authorise us to take payment of the charges payable for the renewal of your plan using the payment method details that you provided to us upon registration. You are able to cancel and/or disable Auto Renew by going to your Mighty Mobile account at accounts.Mightymobile.co.nz/login, select the Billing Details tab and click Remove Schedule.
Promotional Terms
Mighty Mobile 10% Credit Back Promotion - Terms and Conditions
- Promoter
This offer is offered by Mighty Ape Limited in connection with Mighty Mobile. - Promotion Period
a. This offer is available from 9:00am NZST 4 May 2026 and continues until amended, suspended or withdrawn by Mighty Ape.
b. Mighty Ape may amend, suspend or withdraw this offer at any time with at least 30 days’ notice to affected customers. - Eligibility
This offer is available to customers on eligible Mighty Mobile monthly plans from 4 May 2026 onwards.
a. Eligible monthly plans are Starter, Fast, Faster and Fastest.
b. This offer applies to monthly plans only and excludes annual plans.
c. This offer is available to both new and existing customers from 4 May 2026.
d. No credit will be applied for any period prior to 4 May 2026.
e. To receive and continue receiving credit under this offer, the customer’s Mighty Mobile account and Mighty Ape account must use the same email address at all times.
f. Customers must comply with Mighty Mobile’s standard terms, billing requirements, activation requirements and any applicable fair use requirements to remain eligible. - Offer
a. Eligible customers will earn an amount equal to 10% of the monthly price paid for their eligible Mighty Mobile monthly plan.
b. Credit earned under this offer will be applied to the customer’s Mighty Ape account.
c. Credit may be used on eligible purchases with Mighty Mobile or Mighty Ape.
d. Credit is not transferable, refundable, exchangeable or redeemable for cash.
e. The maximum claim “earn up to $90 back over 12 months” is based on a customer joining the Fastest monthly plan at $75 per month, earning $7.50 per month in credit over a 12-month period.
f. Existing customers on a previous Fastest plan price of $80 per month may earn up to $96 in credit over 12 months (10% = $8.00 per month). - How Credit is Calculated
a. Credit is calculated at 10% of the monthly plan price paid for the relevant eligible month.
b. If a customer changes between eligible plans, the amount of credit earned will be based on the price of the eligible plan paid for that month.
c. Any credit calculation will exclude additional charges, add-ons, non-plan purchases, fees, or other charges not forming part of the eligible monthly plan price, unless expressly stated otherwise.
d. Credit accumulates as a balance on the customer’s Mighty Ape account and is not issued as separate codes, vouchers or coupons. - Issue of Credit
a. Credit will be issued to the customer’s Mighty Ape account within 40 days of the relevant qualifying monthly plan payment.
b. It is the customer’s responsibility to ensure their Mighty Mobile and Mighty Ape accounts remain registered to the same email address at all times.
c. If account details do not match, credit may be delayed, withheld or forfeited. - Use of Credit
a. Credit issued under this offer may be used on Mighty Mobile or Mighty Ape.
b. Credit forms part of the customer’s available Mighty Ape account balance.
c. Credit may accumulate over time and be used as part of a larger balance.
d. Credit may be applied against future Mighty Mobile purchases or eligible Mighty Ape purchases, subject to standard account and checkout functionality. - Expiry of Credit
a. Each amount of credit issued under this offer expires 12 months from the date it is issued to the customer’s Mighty Ape account.
b. Any expired unused credit will be forfeited. - Plan Changes and Cancellation
a. If a customer changes between eligible monthly plans, they will remain eligible for this offer.
b. In that case, the credit earned for each month will be based on the price of the eligible plan paid for that billing period.
c. If a customer cancels their plan, they will not receive future 10% credit back after the effective date of cancellation.
d. Any prepaid eligible month already paid before a change or cancellation will still qualify for the applicable 10% credit back.
e. Customers will continue to receive credit while they remain on an eligible plan. - Other Promotions
a. This 10% credit back offer is independent of any other discounts, sales, or offers that may apply to Mighty Mobile monthly plans.
b. If a monthly plan is purchased while another promotion or discount applies (e.g., 30% off, buy one get one free), the 10% credit back will still be earned.
c. In such cases, the 10% credit back will be calculated based on the full plan price for that billing period, before any discounts or promotions are applied.
d. Mighty Ape reserves the right to determine eligibility for credit in cases where conflicting promotions occur, in accordance with these Terms and Condition
- Activation Requirement
a. To receive this offer, the customer must activate their Mighty Mobile SIM or service in accordance with Mighty Mobile’s standard activation process.
b. SIM must be activated within 3 months from purchase, or the offer may be forfeited.Failure to complete activation may result in loss of eligibility for the offer.
c. If Mighty Mobile’s standard terms require activation within a specified period from purchase, that requirement will continue to apply for this offer. - Auto-Renewal and Billing
a. Eligible monthly plans may be set to auto-renew in accordance with Mighty Mobile’s standard terms and account settings.
b. Monthly billing and prepaid plan operation will continue in accordance with Mighty Mobile’s standard terms and conditions.
c. Continued use of the service may result in recurring charges unless auto-renewal is disabled where that option is available under the applicable plan terms.
d. Customers are responsible for ensuring valid payment details are maintained on their account where required. - Unlimited Data, Fair Use and Mobile Terms
a. All Mighty Mobile plans remain subject to Mighty Mobile’s standard terms and conditions, including any Fair Use Policy.
b. References to unlimited data do not remove or override any applicable speed, reasonableness, service, network management or fair use limitations.
c. Mighty Mobile may restrict, suspend or cancel service where usage is excessive, unreasonable, fraudulent, or otherwise breaches its applicable terms or policies. - Exclusions
a. This offer applies only to eligible Mighty Mobile monthly plans and does not apply to any other products, plans, services, fees, add-ons or charges unless expressly stated.
b. This offer is available only through channels specified by Mighty Ape or Mighty Mobile.
c. Abuse, misuse, fraud, manipulation, or attempted exploitation of the offer may result in disqualification, reversal of credit, suspension of service, cancellation of orders or any other action available under applicable terms or law. - General
a. These Terms and Conditions are supplemental to Mighty Mobile’s standard Terms and Conditions and any applicable Fair Use Policy.
b. In the event of inconsistency, these Terms and Conditions apply to the extent of that inconsistency in relation to this offer.
c. Mighty Ape may verify the validity of any claim, eligibility or account details and may refuse to issue or may cancel credit where these Terms and Conditions have not been complied with.
d. Mighty Ape may amend, suspend, extend or withdraw this offer where reasonably necessary, subject to applicable law. - Definitions
In these Terms and Conditions:
Eligible Plan means a Mighty Mobile monthly plan at Starter, Fast, Faster or Fastest price point.
Mighty Ape Account means the customer’s registered Mighty Ape customer account using the same email address as their Mighty Mobile account.
Offer Period means the period from 9:00am NZST on 4 May 2026
Credit means account credit issued under this offer to the customer’s Mighty Ape account.
EOFY 2026 Promotion Terms and Conditions
- This promotional offer (“Offer”) runs from 09:00 NZDT on 2 March 2026 until 23:59 NZDT on 29 March 2026 (“Promotion Period”).
- The Offer applies only to Mighty Mobile Unlimited data monthly plans at the Fast, Faster and Fastest price points. It does not apply to the Starter plan or any other Mighty Mobile plan.
- Eligible customers who sign up for a qualifying plan during the Promotion Period will receive 30% off the monthly plan fee for the first six (6) months of their plan. After the first six months, standard pricing for the selected plan will apply.
- All Unlimited plans remain subject to Mighty Mobile’s standard Terms and Conditions, including the Fair Use Policy. “Unlimited data” refers to data that is not metered for usage quantity. However, maximum data speeds, reasonableness and fair use limitations, and other mobile service terms apply. Mighty Mobile may restrict, suspend or cancel service if usage is excessive, unreasonable or breaches the Fair Use Policy.
- Plans purchased under this Offer will be set to auto-renew by default. Mighty Mobile will automatically renew plans using the payment method provided unless auto-renewal is disabled via your account.
- To receive the Offer, purchased plans must be activated in accordance with Mighty Mobile’s normal activation process. Failure to activate your plan may forfeit the promotional benefit. SIM must be activated within 3 months from purchase, or the promotional offer may be forfeited.
- The Offer cannot be used in conjunction with any other offer or discount unless expressly stated. The Offer is available online only. Offers may be withdrawn or modified at Mighty Mobile’s discretion.
- These terms are supplemental to Mighty Mobile’s standard Terms and Conditions, as published at mightymobile.co.nz/terms-and-conditions and the Fair Use Policy at mightymobile.co.nz/fair-use-policy. Continued service following the Promotion Period constitutes acceptance of standard plan terms and pricing.
- Terms used in this document have the meanings given to them in Mighty Mobile’s standard Terms and Conditions.
- The statement “Get Unlimited for less than $1 a day” is based on the promotional price of the Fast Unlimited plan at $28 per month during the first six (6) months of the Promotion. The daily equivalent is calculated by dividing $28 by 30 days, resulting in approximately $0.93 per day. This calculation is for illustrative purposes only and is based on the Fast Unlimited promotional price. Actual daily cost may vary depending on the number of days in a billing cycle and the selected plan.
November-December 2025 Promotion Terms and Conditions
Offer valid until 07 December 2025. New plans are set to auto-renew by default, you can manage or cancel your plan at any time via your account. SIM must be activated within 3 months from purchase, or the promotional offer may be forfeited.
October 2025 Buy One Get One FREE Offer:Offer available to new customers only (defined as individuals who have not previously activated a Mighty Mobile SIM or plan). Offer valid until 16 November 2025. New plans are set to auto-renew by default, you can manage or cancel your plan at any time via your account. The free 365 plan applies for the first 12 months only. Subsequent renewals will be charged at the then-current standard 365 rate (see
mightymobile.co.nz/#Price-Overview). SIM must be activated within 3 months from purchase, or the promotional offer may be forfeited.
July–August 2025 Promotion Terms and Conditions
Offer valid from 21 July to 31 August 2025. Discount applies to selected monthly plans for the first 6 months only: $10 off Fast, $15 off Faster, and $30 off Fastest. Standard monthly pricing resumes after the promotional period ends. Plans auto-renew by default. You can manage or cancel your plan at any time via your account at mightymobile.co.nz.
The statement “unlimited data from only $1/day” is based on the promotional Fast plan at $30/month. SIM must be activated within 3 months of purchase or the promotional offer may be forfeited. Maximum data speeds, fair use, and mobile service terms apply. Actual speeds may vary due to device capability, location, network congestion, and coverage.
June 2025 Double Trouble - Buy One Get One FREE Offer:Offer available to new customers only (defined as individuals who have not previously activated a Mighty Mobile SIM or plan). Offer valid until 28 June 2025. New plans are set to auto-renew by default—you can manage or cancel your plan at any time via your account. The free 365 plan applies for the first 12 months only. Subsequent renewals will be charged at the then-current standard 365 rate (see
mightymobile.co.nz/#Price-Overview). SIM must be activated within 3 months from purchase, or the promotional offer may be forfeited.
Get 30% off all 365 Plans with Primate
Primate customers save 30% on their first year of any Mighty Mobile 365 Plan. From the second year onwards, you’ll continue to save:
- 15% off Fast 365
- 20% off Faster 365
- 25% off Fastest 365
This discount is ongoing for as long as you remain a Primate customer.
Offer may be withdrawn at any time. Primate Terms & Conditions here
Mighty Mobile OPPO Giveaway (02/06/2025 - 28/06/2025):
- Entry is limited to people residing in New Zealand only.
- Employees, contractors and suppliers of Mighty Ape and their immediate families are not eligible for entry.
- The prize is not transferable for cash. The prize consists of 2x A5 Oppo phones - 1x OPPO A5 Pro 5G (8GB) Olive Green and 1x Oppo A5 Pro 5G (8GB) Mocka Brown.
- Contestants must sign up and activate their Mighty Mobile Unlimited 365 Plan + SIM during the promotion period which commences at 8:00AM on 02 June, 2025. Entries close at 11.59PM on 28 June 2025.
- The winner will be drawn at random on or about 4 July 2025 at Mighty Ape. Judges’ decision is final and no correspondence will be entered into. Mighty Ape, in its absolute discretion, reserves the right to verify the validity of all entries and to disqualify any entrant who tampers with the entry process.
- The winner will be contacted by email. This email will be sent to the email address associated with the winner’s Mighty Ape account.
- Mighty Ape is not responsible for any incorrect or inaccurate information, either caused by the entrant or for any of the equipment or programming associated with or utilised in this competition, or for any technical error, or any combination thereof that may occur in the course of the administration of this competition including any omission, interruption, deletion, defect, delay in operation or transmission, communications line or telephone, mobile or satellite network failure, theft or destruction or unauthorised access to or alteration of entries.
- If for any reason this competition is not capable of running as planned, including infection by computer virus, bugs, tampering, unauthorised intervention, fraud, technical failures or any other causes beyond the control of Mighty Ape which corrupt or affect the administration security, fairness, integrity or proper conduct of this competition, Mighty Ape reserves the right in its sole discretion to disqualify any individual who tampers with the entry process, and to cancel, terminate, modify or suspend the competition.
- Mighty Ape assumes no responsibility for any error, omission, interruption, deletion, defect, delay in operation or transmission, communications line failure, theft or destruction or unauthorised access to, or alteration of, entries.
- Mighty Ape is not responsible for any problems or technical malfunction of any telephone network or lines, computer online systems, servers or providers, computer equipment, software, failure of any email or entry to be received by Mighty Ape on account of technical problems or traffic congestion on the Internet or at any website, or any combination thereof, including any injury or damage to participant's or any other person's computer related to or resulting from participation or downloading any materials in this competition.
Network Coverage Guarantee
After joining, if you're unhappy with our mobile network coverage, you can exit your mobile plan within 30 days of purchase without penalty and with a money back guarantee.
General
- This document sets out the terms and conditions that apply to specific Mighty Mobile Services and Plans that are provided to you by One New Zealand Group Ltd or its subsidiaries (One NZ, our, we or us). The terms and conditions that will apply to your Services are:
i. all the terms and conditions provided to you when you agree to purchase a Service, including all the terms and conditions contained in this document;
ii. all the terms and conditions contained in the One NZ Privacy Policy, which is available at Mightymobile.co.nz/legal; and
iii. all the terms and conditions provided in the Critical Information Summaries (CIS) for each Plan which can be found on our website at Mightymobile.co.nz/cis/ (collectively the “Terms”).
July–August 2025 Promotion Terms and Conditions
Offer valid from 21 July to 31 August 2025. Discount applies to selected monthly plans for the first 6 months only: $10 off Fast, $15 off Faster, and $30 off Fastest. Standard monthly pricing resumes after the promotional period ends. Plans auto-renew by default. You can manage or cancel your plan at any time via your account at mightymobile.co.nz.
The statement “unlimited data from only $1/day” is based on the promotional Fast plan at $30/month. SIM must be activated within 3 months of purchase or the promotional offer may be forfeited. Maximum data speeds, fair use, and mobile service terms apply. Actual speeds may vary due to device capability, location, network congestion, and coverage.
The Terms contain details regarding mobile phone compatibility, and Network capability and availability. However, notwithstanding anything else in our contract with you, in addition to the networks operated by, for or on behalf of One New Zealand Group Limited, we may provide Plans and Services to you using any Network we consider appropriate and that network will constitute “our Network” or “the Network” for the purpose of the Terms. For more information about “our” Network, see accounts.Mightymobile.co.nz
*Direct internet activity is when you prompt your mobile phone to send or receive data from the internet. For example, when you send an email. Indirect internet activity is when your mobile phone or mobile applications are set up to send or receive data from the internet on your behalf. Examples include (but are not limited to): Email notifications via Gmail, notification of Tweets or Facebook posts which mention you and software or weather updates.
Except for Starter, each Plan has a Hotspot high-speed allowance (cap). Once you reach your Plan’s Hotspot high-speed cap, your Hotspot will continue to work, but it will be throttled to 1.2Mbps for the remainder of the month (or until your Hotspot allowance resets). The Starter Plan has no Hotspot high-speed allowance.
Your Plan’s Hotspot high-speed allowance:
Words which start with a capital letter in these terms have the defined meaning set out below.