Telsim Review 2026 - Is Telsim's eSIM reliable?
At a glance
Reviews & ratings
Powerful and intuitive app enabling easy management of my account. The plans are advantageous and recharges are done in seconds.
Excellent app, very easy to use and instructions are simple to follow. Quality telco service with a good value for money ratio.
Exceptional service for a wholesale operator. The service quality is excellent and well beyond expectations.
Pros & cons
π What we like
- βNo fixed-term contract or commitment plans.
- βAccess to high-quality Telstra Wholesale network with 4G and 5G coverage.
- βIntuitive My Telsim app allowing full management and recharge 24/7.
- βUnlimited calls and SMS included in all plans.
- βBankable data with retention up to 1000 GB depending on plan.
- βTransparent and competitive pricing compared to major Australian operators.
π What we like less
- βTechnical issues reported with the app (frequent updates, occasional crashes).
- βAvailability limited to Australia only.
- βVariable reception quality depending on geographic zones.
- βCustomer support limited in contact channels.
- βInteresting data and coverage concentrated only on the Australian market.
What is Telsim?
What is Telsim?
Telsim is an Australian-based prepaid mobile service provider offering data and voice plans without contractual commitment. Unlike major traditional operators, Telsim uses the Telstra Wholesale network to provide quality 4G and 5G connectivity with fully digital management through its mobile app My Telsim.
The platform offers different types of plans suited to various uses: monthly plans with unlimited data, recharge-as-you-go plans with flexible credits, and special offers for new customers. Each plan includes unlimited calls and SMS within Australia, as well as free international calls to up to 20 selected countries.
Telsim stands out with practical features such as data banking (up to 1000 GB), data sharing between devices, programmable automatic recharge, and full online account management without needing to visit a store.
Plans overview
Countries covered by Telsim
Coverage broken down by region. Tap a region to see its countries.
Our verdict
Telsim is an Australian prepaid mobile service provider offering flexible data plans with access to 4G and 5G networks. With fully digital management via the My Telsim app, stay connected in Australia with bankable data options up to 1000 GB and unlimited calls.
Popular alternatives
Frequently asked questions
No, Telsim is not a scam: it is a reliable, well-known eSIM with a 3.4/5 rating in our test and access to local 4G/5G networks (speed depends on local coverage). Just make sure your phone is eSIM-compatible before buying.
Telsim covers many destinations. Availability and network quality depend on the destination and the local partner operator: check that your travel country is covered before buying.
The main downsides we found in our test: 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 and Interesting data and coverage concentrated only on the Australian market.
It depends on your destination and budget: Telsim scores 3.4/5 in our test, but the best value changes by country. Compare current deals in our comparator before choosing.
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.