Staying connected in Sydney is easy, but the “best” option depends on whether you prioritize convenience (setup in seconds) or value (cheaper data & better coverage).
This guide will help you decide between a Travel eSIM, a Local eSIM, or a traditional Physical SIM, and recommends the most reliable brands for 2025.
Part 1: Which Option fits your Trip?
Use this simple framework to decide. The “Local eSIM” is often the sweet spot for savvy travelers.
| Feature | 1. Travel eSIM | 2. Local eSIM (Recommended) | 3. Physical SIM |
| Best For | Instant Ease. Short trips (3-5 days). No ID check. | Performance. Best coverage & price. Requires ID check. | Tradition. If you are not tech-savvy or want in-store help. |
| Setup | ⚡ Instant. Buy & install before flight. | 📝 App Setup. Download app, scan passport, install. | 🛒 In-Store. Go to a shop, swap plastic chips. |
| Phone Number | ❌ No (Data Only) | ✅ Yes (Local Number) | ✅ Yes (Local Number) |
| Value | Good | 🏆 Best | 🏆 Best |
Part 2: Top Recommendations for eSIMs
(Digital Delivery – No Store Visit Required)
We have split this into “Easiest Setup” (Travel eSIMs) and “Best Coverage/Value” (Local eSIMs).
Category A: The “Easiest” Choice (Travel eSIMs)
Best for short stops or if you want to avoid scanning your passport.
- Airalo – Most Reliable App
- Verdict: The standard for ease of use. Perfect for a hassle-free arrival.
- Network: Optus (Good city coverage).
- Cost: ~$15 USD for 5GB.
- Jetpac – Best Budget
- Verdict: Often has $1 USD promo rates. Flexible, from a quick 3-day stopover to a 2-week visit.
- Network: Optus.
- Cost: $7 USD for 3GB to ~$20 for 15GB
Category B: The “Best Value” Choice (Local Australian eSIMs)
Best for trips over 1 week, visiting the Blue Mountains, or heavy data users. ⚠️ Note: Requires downloading the provider’s app and scanning your passport to activate.
- Boost Mobile – 🏆 Best Overall Coverage
- Verdict: The Gold Standard. Uses the Full Telstra Network (Australia’s #1). Essential if you plan to visit rural areas or national parks.
- Cost: ~$35 AUD for 35GB+ (Includes local phone number).
- How to Buy: Download “My Boost Mobile” App ➝ Buy Prepaid Plan ➝ Select “eSIM”.
- Amaysim – Best City Value
- Verdict: Incredibly cheap data for city stays.
- Cost: ~$12-30 AUD for massive data (30GB+).
- How to Buy: Download “Amaysim” App ➝ Select Plan ➝ Select “eSIM”.
Part 3: Top Recommendations for Physical SIMs
(Traditional – In-Store Purchase)
If you prefer a physical card, do not buy at the airport (expensive). Visit a 7-Eleven, Coles, or Woolworths in the city.
- Boost Mobile (Physical Kit)
- Same great Telstra coverage as the eSIM, just on a plastic card. Available at almost all supermarkets and 7-Elevens.
- Best For: Travelers who want the best coverage but aren’t comfortable setting up an eSIM.
- Optus Prepaid
- Excellent city 5G speeds. Easy to find everywhere.
- Best For: Staying strictly in Sydney CBD/Beaches.
Part 4: Price & Value Comparison (2025 Estimates)
Here is why a Local eSIM (like Boost or Amaysim) is often the smartest choice for longer trips.
| Trip Length | Brand | Type | Est. Cost | Data |
| 3 Days | Jetpac | Travel eSIM | ~$4 USD | 3GB |
| 1 Week | Airalo | Travel eSIM | ~$15 USD | 5GB |
| 2 Weeks+ | Amaysim | Local eSIM | ~$15 AUD | 30GB+ |
| Regional Trip | Boost | Local eSIM | ~$35 AUD | 35GB+ |
(Note: Physical SIM prices are the same as Local eSIM prices).
Final Checklist: How to Buy a Local eSIM
If you choose the recommended Boost Mobile or Amaysim eSIM, follow these steps:
- Connect to Wi-Fi: Use your hotel or airport Wi-Fi.
- Download the App: Search for “My Boost Mobile” or “Amaysim” in the App Store/Google Play.
- Select a Plan: Choose a “28 Day Prepaid” plan.
- Choose eSIM: During checkout, select “eSIM” (do not select delivery).
- Scan Passport: The app will ask to scan your ID (Australian law).
- Activate: Follow the prompts to install the eSIM profile. You will have service and a local number in minutes.