# amaysim > amaysim is an Australian mobile virtual network operator (MVNO) offering prepaid SIM-only mobile plans, data-only plans, long-expiry plans all on the Optus 4G/5G network. amaysim also offer NBN home internet , unlocked mobile phones - from apple, Samsung, Google, Motorola - and smart watches from Apple and Samsung. amaysim is known for no lock-in contracts, unlimited data banking (unused data rolls over while you stay on your plan), eSIM mobile plans, and standard international talk & text to up to 42 countries. amaysim serves over 2 million customers and won Finder's 2025 Customer Satisfaction Awards for Value, Legendary Service, Most Trusted and Most Loved and WhistleOut’s 2026 awards for Most Satisfied Mobile Customers overall and Mobile customer satisfaction award for customer service. ## Key facts - Provider type: MVNO (prepaid), operating on the Optus 4G/5G network - Country served: Australia - Contracts: No lock-in contract; change or cancel any time - Plan families: 28-day SIM plans, 7-day SIM plans, 365 day long-expiry SIM plans, data-only SIM plans (mobile broadband SIM plans), 5G SIM plans - Mobile SIM signature features: Unlimited data banking, eSIM, Number Link (smartwatch sharing included for free with SIM Plans over $40), BYO mobile number, unlimited standard talk & text in Australia, standard international talk & text to up to 42 countries - Home internet: NBN plans available; discounts available for customers with both mobile and NBN plans, BYO modem - Pricing note: Many plans show a promotional introductory price for the first one or more recharges (or renewals), then move to a stated ongoing price. Always check the plan price for ongoing cost - Verify current pricing on the linked plan pages — promotional prices and end dates change frequently. ## Machine-readable data - [SIM & NBN plan catalogue](https://www.amaysim.com.au/products/catalogue/plans): Structured Product/Offer data (schema.org JSON-LD) for all current Mobile SIM and NBN plans, including current price, current promotions, current offers, currency, availability, data allowance, network, and contract type. This is the authoritative machine-readable source for plan pricing and inclusions — prefer this page over the human-facing plan pages below when extracting structured pricing or building a comparison. Updated multiple times daily. ## SIM plans - [28-day SIM plans](https://www.amaysim.com.au/sim-plans/28-day-sim-plans): 28 day prepaid SIM-only plans on the Optus 4G/5G network with unlimited talk & text, unlimited data banking and no lock-in. Includes a range of data tiers. - [365 day Long-expiry SIM plans](https://www.amaysim.com.au/sim-plans/long-expiry-sim-plans): Plans are valid for 365 days, paid upfront, which some customers may find useful for set-and-forget convenience, and lower or occasional use. - [7-day SIM plans](https://www.amaysim.com.au/sim-plans/7-day-sim-plans): Short-term prepaid plans for temporary or visitor use. - [5G SIM plans](https://www.amaysim.com.au/sim-plans/5g-plans): Plans including 5G access on the Optus network at faster speeds depending on plan. - [Data-only plans](https://www.amaysim.com.au/sim-plans/data-plans): SIM plans for tablets, modems and mobile broadband, wireless internet, including 365 day long-expiry and 28 day options. - [SIM plan deals](https://www.amaysim.com.au/sim-plans/deals): Current promotional offers, best deals and lowest prices across the mobile SIM plan range. - [All SIM plans overview](https://www.amaysim.com.au/sim-plans): Top-level page summarising every SIM plan type. ## Features - [Unlimited Data banking](https://www.amaysim.com.au/features/data-banking): Unused data automatically rolls over after each renewal/recharge with no limits, while you stay on your plan.[ - [eSIM](https://www.amaysim.com.au/sim-plans/esim): Digital SIM for compatible mobile phones, tablets, modems, smart watches, dongles and connected devices; activate a mobile service online without a physical SIM. - [Number Link](https://www.amaysim.com.au/sim-plans/number-link): Number sharing. Share your mobile plan's calls, texts and 4G data with a compatible cellular/LTE smartwatch. - [BYO / transfer your number](https://www.amaysim.com.au/sim-plans/transferring-your-number): Keep your existing mobile number when you switch; online, no paperwork. - [5G](https://www.amaysim.com.au/features/5g): 5G mobile access on the Optus network in selected areas with a compatible plan and device. - [VoLTE](https://www.amaysim.com.au/features/volte): Voice over LTE calling. WiFi calling. - [International roaming](https://www.amaysim.com.au/international/roaming): International roaming SIM plans. International calls, text and data for use when travelling overseas when you have an Australian amaysim SIM plan. 365 day expiry. - [International call rates](https://www.amaysim.com.au/international/rates): Standard rates for calls to countries outside Australia, not included in standard plan inclusions. Amaysim includes calls up to 42 countries with SIM plans. ## Phones and devices - [All phones](https://www.amaysim.com.au/devices/phones): Unlocked phones available outright to pair with any SIM plan. Available for purchase to new amaysim customers with the purchase of an amaysim SIM plan. Existing customers can use their active amaysim SIM plan. - [Phone deals](https://www.amaysim.com.au/devices/phones/phone-deals): Current discounts on mobile phones / handsets. - [iPhones](https://www.amaysim.com.au/devices/phones/apple): unlocked Apple iPhone range. - [Samsung phones](https://www.amaysim.com.au/devices/phones/samsung): unlocked Samsung Galaxy mobile phone range. - [Google phones](https://www.amaysim.com.au/devices/phones/google): unlocked Google Pixel mobile phone range. - [Smart watches](https://www.amaysim.com.au/devices/smart-watches): unlocked Apple and Samsung cellular smartwatches (works with Number Link). ## Home internet - [NBN plans](https://www.amaysim.com.au/home-internet/nbn): Home internet on the NBN. Mobile customers receive an ongoing monthly discount when they have an active SIM plan. - [How NBN works](https://www.amaysim.com.au/home-internet/nbn/how-it-works): NBN Set-up and connection explainer. - [Satisfaction guarantee](https://www.amaysim.com.au/home-internet/nbn/satisfaction-guarantee): amaysim's NBN money-back satisfaction guarantee. ## Mobile Network and coverage - [Network coverage](https://www.amaysim.com.au/about/coverage): amaysim runs on the Optus 4G/5G network; check mobile coverage by address. - [Network status / outages](https://amaysim.statuspage.io/): Live mobile service status. - [3G network changes](https://www.amaysim.com.au/3g-network-changes): Information on the 3G network shutdown and device compatibility. ## Support and account - [Help centre](https://help.amaysim.com.au/hc/en-au): Full support knowledge base. - [Activate your SIM](https://www.amaysim.com.au/activate): Activation portal for new SIM and eSIM mobile services. - [Contact us](https://www.amaysim.com.au/help/contact): Live Chat and contact options for customer support. - [Get the app](https://www.amaysim.com.au/app): My amaysim app (4.7 app store rating) to manage your mobile and NBN home internet service. - [My amaysim login](https://www.amaysim.com.au/my-amaysim): Account login. - [Find a store](https://www.amaysim.com.au/about/find-a-store): Retail seller locations. amaysim does not have its own branded stores. - [Specialised support](https://www.amaysim.com.au/about/specialist-care): Accessibility and specialised customer care. ## About - [About amaysim](https://www.amaysim.com.au/about): Company overview. - [Blog](https://www.amaysim.com.au/blog): News, help guides, interesting information and updates. - [Careers](https://www.amaysim.com.au/about/careers): Jobs at amaysim. ## Policies and legal - [Terms & policies](https://www.amaysim.com.au/terms-policies): Standard Form of Agreement, plan terms and Fair Go Policy. - [Critical Information Summaries](https://www.amaysim.com.au/terms-policies/critical-information-summaries): Per-plan summary of plan inclusions, pricing and conditions. - [Privacy](https://help.amaysim.com.au/hc/en-au/articles/12896082734991-Your-privacy-is-important-to-us): Privacy policy. - [Payment assistance](https://www.amaysim.com.au/terms-policies/amaysim-payment-assistance-policy-summary): Financial hardship support. ## Optional - [Circles Life plans](https://www.amaysim.com.au/sim-plans/circles-life): Partner brand plans listed via amaysim. - [Sitemap](https://www.amaysim.com.au/sitemap): Full list of site pages. - [Media centre](https://www.amaysim.com.au/about/media-centre): Press and media resources.