Telsim eSIM – Review & Full Test 2026

🌍

Countries covered

1 countries

💶

Starting at

4,27 €

📶

Network

5G

📊

Data

500 MB – 1000GB

✅

Calls/SMS

Yes

Nationwide Australian coverage with access to Telstra Wholesale 4G and 5G networks.

No-contract plans offering total flexibility for users.

Complete account management via mobile app 24/7 with recharge and real-time tracking.

Unlimited calls and SMS in Australia with free international calls to 15 to 20 countries.

Data banking up to 1000 GB and data sharing between devices.

Official ratings

Destinations & coverage

By region

Key points

✅

Advantages

  • ✓ No fixed-term contract or commitment plans.
  • ✓ Access to high-quality Telstra Wholesale network with 4G and 5G coverage.
  • ✓ Intuitive My Telsim app allowing full management and recharge 24/7.
  • ✓ Unlimited calls and SMS included in all plans.
  • ✓ Bankable data with retention up to 1000 GB depending on plan.
  • ✓ Transparent and competitive pricing compared to major Australian operators.
⚠️

Disadvantages

  • ✗ Technical issues reported with the app (frequent updates, occasional crashes).
  • ✗ Availability limited to Australia only.
  • ✗ Variable reception quality depending on geographic zones.
  • ✗ Customer support limited in contact channels.
  • ✗ Interesting data and coverage concentrated only on the Australian market.

Customer reviews

App Store

5/5

“

Powerful and intuitive app enabling easy management of my account. The plans are advantageous and recharges are done in seconds.

March 1, 2026

Google Play

5/5

“

Excellent app, very easy to use and instructions are simple to follow. Quality telco service with a good value for money ratio.

December 1, 2025

Google Play

5/5

“

Exceptional service for a wholesale operator. The service quality is excellent and well beyond expectations.

November 1, 2025

Description

Telsim is an Australian telecommunications operator offering prepaid mobile plans with no contract and access to Telstra Wholesale 4G and 5G networks. The offer includes flexible plans with unlimited data, unlimited calls and SMS in Australia, international calls to 15 to 20 countries, 24/7 account management via the My Telsim app, data banking up to 1000 GB, data sharing, and automatic recharge. Plans range from 5 GB to 200 GB with pricing starting at €6.50, ideal for Australian users seeking a quality alternative to major operators with flexibility and no long-term commitment.

How it works

Install the My Telsim app from the App Store (iOS) or Google Play (Android) on your smartphone.

Open the app and create an account with your email address and personal information.

Buy a physical SIM online via the telsim.com.au website or at an authorized retail point in Australia.

Insert the Telsim SIM into your smartphone and restart the device.

Choose the plan that suits your needs (data, duration, coverage) via the My Telsim app.

Pay for your purchase using the offered payment methods (bank cards, digital wallets).

Once payment is confirmed, your plan activates automatically and you can start using the services.

⚠️ If it fails

✅ Restart your phone, check that the SIM is properly inserted into the correct slot, and contact Telsim support if the issue persists.

✅ Check that you are in Telstra coverage area, toggle airplane mode on/off, and ensure mobile data is enabled in settings.

✅ Uninstall and reinstall the app, ensure you have a stable internet connection, or try restarting your device.

✅ Check your bank balance, try another payment method, or contact support at [email protected].

Alternatives

FAQ

For standard use, the 80 GB or 120 GB monthly plans offer a good balance between data and pricing. If you consume a lot of video or streaming, opt for the 200 GB plan.

Yes, tethering/hotspot is allowed with all Telsim plans. However, check that your device and plan allow it.

Open the My Telsim app and check the 'Account summary' section to see your real-time usage.

Yes, Telsim offers data banking up to 500 GB or 1000 GB depending on your plan, allowing you to keep unused data.

Telsim covers 15 to 20 selected countries including Canada, United States, United Kingdom, India, Japan, Singapore, Thailand, New Zealand, and others depending on your plan.

In the My Telsim app, go to 'Settings' then 'Automatic recharge' to set an amount and recharge frequency.

Company info

Legal name: Kangaroo Telecom Pty Ltd

Address: St Leonards, Australia

Email: [email protected]

Website: https://telsim.com.au

Support

24/7

Accepted payments

Visa, Mastercard, PayPal, Apple Pay, Google Pay

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