* The "as low as" figure is the lowest per-day rate, taken from the longest unlimited data plan on sale here.
Here's how Onetel stacks up against other options in Singapore.
Prices shown in USD
7 days of unlimited data in Singapore costs $17.92 — about $2.56 a day on Singtel, StarHub or M1, with no roaming charge and no SIM to swap. In Singapore, 5G is live and median mobile download speed is 99.7 Mbps.
Choose your Singapore eSIM by matching the allowance and validity period to your trip, then compare the selected product details with the local network, band and speed references already shown on this page.
Start with the length of your stay, then allow for navigation, messaging, streaming and work use. Each option below is a plan size that is currently available for this destination.
Best for: A short visit with maps, messages and occasional browsing.
This option pairs the 1 GB allowance with a stated validity period of 7 days.
Usage tip: Save maps before longer journeys and use Wi-Fi for large downloads.
Best for: A stay of around two weeks with regular navigation and messaging.
The 3 GB allowance remains available across a stated validity period of 15 days.
Usage tip: Keep automatic app updates and cloud backups on Wi-Fi.
Best for: A longer stay or more frequent streaming, video calls or work use.
The 10 GB or more / 30 days profile provides a larger data pool than the short-trip options on this page.
Usage tip: Compare the allowance with your normal phone usage and monitor it during the trip.
Your eSIM roams onto Singapore's own operators. These are the networks and the frequencies they run — check your phone supports them before you travel.
Source: Ookla Speedtest Global Index, August 2026
No 2G or 3G networks remain; all operators shut down legacy networks by July 2024. MRT underground tunnels and stations have full 4G/5G coverage. No rural or remote coverage gaps exist.
The Singapore mobile network source is linked below as a public network reference. Check the places on your itinerary where the source offers local detail, then confirm the network information for the selected eSIM product. The operator table on this page provides the country-level reference, while the selected product details identify which network information applies to your plan.
Check your accommodation and the places you expect to visit in Singapore. Indoor reception can differ from an outdoor map, so keep the property Wi-Fi details available as well.
Review the full route rather than checking only the arrival city. Save tickets, addresses and maps offline before longer road or rail journeys.
Check the selected product scope for every country on your itinerary. Your Singapore plan and a regional plan may have different included destinations and validity periods.
Compare your phone with 4G bands B1, B3, B8, B38, B40 and 5G bands n1, n3, n78, n258 in the existing Singapore network table. Support for more of the listed bands gives the phone more options when connecting, while the selected product, location and local network conditions determine the service available.
Keep the QR code and installation instructions available offline, and complete each step according to the selected product's instructions.
When validity starts: Validity-start rules can differ by product. Check the selected plan details before installation and travel.
Singapore is a compact city-state where efficiency rules. The MRT train system is your best friend: it is clean, fast, and reaches almost everywhere a traveller needs. Buy an EZ-Link card at any station to tap on and off. Taxis and ride-hailing apps are plentiful but cost more during peak hours.
Do not skip the free attractions. Gardens by the Bay's outdoor Supertree Grove is open to everyone, and the nightly Garden Rhapsody light-and-sound show is a crowd-pleaser. For a skyline view without paying for Marina Bay Sands, walk along the Helix Bridge at sunset.
Eat at hawker centres like Lau Pa Sat and Maxwell Food Centre rather than tourist restaurants. Prices are low, quality is high. Always carry a tissue packet to chope (reserve) your table. Tipping is not expected. Tap water is safe to drink. Smoking is banned in most public spaces. Respect the strict laws on chewing gum and littering.
Singapore packs many sights into a small area. Choose based on your interests, not the guidebook list.
Singapore's food reflects its Chinese, Malay, Indian and Peranakan heritage. Hawker centres are the best places to eat cheaply and well.
Order by pointing at what looks good. Cash is still king at many hawker stalls. Do not ask for substitutions; the recipe is the recipe.
Singapore has a tropical rainforest climate. It is hot and humid year-round. There is no true dry season, but the northeast monsoon (December to March) brings heavier rain, often in short afternoon downpours.
February and April are relatively drier and still hot. Chinese New Year (January or February) fills Chinatown with decorations and crowds; many shops close for a few days. The Formula 1 Singapore Grand Prix in September drives up hotel prices across the island. Deepavali (October or November) brings festive lights to Little India.
June to August is the southwest monsoon with less frequent rain but high humidity. Accommodation is cheapest during January and February (excluding Chinese New Year week).
Pack for heat and sudden rain regardless of month. The best time to visit depends on your tolerance for crowds and your event preferences. There is no bad time, just different trade-offs.
Pack light. Singapore is hot and humid all year. You will not need a jacket or heavy shoes.
Leave behind formal wear unless you plan fine dining or clubs. Laundry is cheap and fast. A small backpack is better than a large suitcase for moving between neighbourhoods.
The details worth knowing about your Singapore eSIM
Live chat and email are staffed the whole way through — before you fly and while you're abroad. Replies typically land in under 2 minutes.
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