Each operator's option for a 10-day trip, checked on its own site, next to a live data eSIM price for Singapore.
See Singapore eSIM plans →| Operator | Cost | Includes | Slashtel eSIM (same trip) | Difference |
|---|---|---|---|---|
| Telstra | A$100 · 10 days | A$10/day x 10 days | 10GB, 30 days: $8.69 (≈A$12.39) | A$87.61 less |
| Optus | A$25 · 14 days | 5GB, 50 min, 50 SMS | 5GB, 30 days: $4.69 (≈A$6.69) | A$18.31 less |
Operator prices as listed on telstra.com.au, optus.com.au on 26 September 2026; they include calls as well as data. Where an operator charges by the day, we compare an eSIM with at least 1GB a day. Slashtel prices are live in US dollars, converted at 1.43 per $1. Telstra is a trademark of Telstra Corporation Limited. Slashtel is not affiliated with Telstra. Optus is a trademark of Singtel Optus Pty Limited. Slashtel is not affiliated with Optus.
For a 10-day trip, Optus at A$25. Telstra: A$100. Options differ in calls and data allowances, so compare what you will use.
For data, yes against each option we list: a Slashtel eSIM for the same trip costs A$12.39 (vs Telstra A$100), A$6.69 (vs Optus A$25). Operator options also include calls; the eSIM is data only.
Yes. Keep your Australian SIM in the phone for calls and texts such as bank codes, and use the eSIM for mobile data.